| QOOLTEK SHENZHEN SENLUOXIN TECHNOLOGY CO.LTD. 2112723 8 Jun 2021 | on 31 Oct 2023 | Data cables; digital laser levels; earphones; electrical sockets; elec... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Data cables; digital laser levels; earphones; electrical sockets; electronic weighing scales for personal use; headphones; in-car telephone handset cradles; ink cartridges, unfilled, for printers and photocopiers; kitchen weighing scales; lasers for surveying; measuring tapes; power connectors; protective cases for tablet computers; protective films adapted for smartphone screens; range finders for cameras; sports glasses; stereo headphones; surveying instruments; temperature gauges; USB chargers | |
| Q MEDICAL 2639248 ONTARIO INC. O/A Q MEDICAL 2112740 8 Jun 2021 | on 2 Aug 2023 | Medical clinics; medical evaluation services for patients receiving re... Class 044 Class 044 Medical, Beauty & Agricultural Services Medical clinics; medical evaluation services for patients receiving rehabilitation for purposes of guiding treatment and assessing effectiveness; medical services, namely, personal injury assessment; medical diagnostic testing, monitoring and reporting services; providing medical information to patients in the form of reports in the field of personal injury | |
| Q MEDICAL WHERE FACTS MATTER 2639248 ONTARIO INC. O/A Q MEDICAL 2112741 8 Jun 2021 | on 2 Aug 2023 | Medical clinics; medical evaluation services for patients receiving re... Class 044 Class 044 Medical, Beauty & Agricultural Services Medical clinics; medical evaluation services for patients receiving rehabilitation for purposes of guiding treatment and assessing effectiveness; medical services, namely, personal injury assessment; medical diagnostic testing, monitoring and reporting services; providing medical information to patients in the form of reports in the field of personal injury | |
| QUEER/QUEEN JEFFREY MAHONEY 2112176 4 Jun 2021 | on 6 Mar 2024 | A-shirts; adhesive bras; adhesive brassieres; adult pajamas; adult swe... Class 025 Class 025 Clothing Products A-shirts; adhesive bras; adhesive brassieres; adult pajamas; adult sweatpants; after-ski boots; albs; altar clothes; anglers' shoes; ankle boots; ankle socks; anklet socks; anoraks; anti-perspirant socks; anti-slip soles; aprons; aqua shoes; arm warmers; ascots; athletic apparel; athletic clothing; athletic footwear; athletic pants; athletic shirts; athletic shoes; athletic shorts; athletic tights; athletic uniforms; athletic wear; babies' bibs of plastic; babies' pants; babies' underwear; baby bodysuits; baby booties; baby bottoms; baby clothes; baby clothing; baby doll pyjamas; baby layettes for clothing; baby pants; baby sandals; baby tops; baeja [traditional Korean waistcoats for women]; bags specially adapted for ski boots; balaclavas; ball gowns; ballet clothing; ballet flats; ballet shoes; ballet slippers; ballroom dancing shoes; bandanas; bandannas; barber smocks; baseball caps; baseball caps and hats; baseball cleats; baseball hats; baseball jerseys; baseball shirts; baseball shoes; baseball uniforms; basic upper garment of Korean traditional clothes [Jeogori]; basketball boots; basketball shoes; basketball sneakers; bath robes; bath sandals; bath shoes; bath slippers; bath wraps; bathing caps; bathing costumes; bathing costumes for women; bathing drawers; bathing suits; bathing suits for men; bathing trunks; bathrobes; beach clothes; beach coats; beach cover-ups; beach footwear; beach jackets; beach pyjamas; beach robes; beach shoes; beach wraps; beachwear; beanies; bed jackets; belts; belts made from imitation leather; belts made of leather; belts made out of cloth; belts of textile; berets; bermuda shorts; bib overalls; bib shorts; bicycle gloves; bike shoes; bikini bottoms; bikini tops; bikinis; blanket sleepers; blazers; blouses; blousons; blue jeans; boardshorts; bodices; body stockings; body suits; boleros; bolo ties; bomber jackets; bomber vests; bonnets; boot bags; boot cuffs; boot uppers; booties; boots; boots for motorcycling; boots for snowboarding; bow ties; bow-ties; bowling shoes; bowties; boxer briefs; boxer shorts; boxing shoes; boxing shorts; bralettes; bras; brassières; breeches; breeches for wear; bridal footwear; bridal headpieces; bridal wear; bridesmaid dresses; briefs; business attire; business clothing; bustiers; bustle holder bands for obi [obiage]; bustles for obi-knots [obiage-shin]; button down shirts; caftans; camisoles; camouflage clothing for hunting; camouflage jackets; canvas shoes; cap peaks; cap visors; capelets; capes; capes for use in hair salons and barber shops; capri pants; caps; caps with visors; car coats; cardigans; cargo pants; cashmere jackets; cashmere sweaters; cassocks; casual and athletic clothing; casual clothing; casual clothing featuring pants, dresses and shorts; casual footwear; casual pants; casual shirts; casual shoes; casual trousers; casual wear; casualwear; chaps; chasubles; chefs' hats; chemises undergarments; chemisettes; children's clothing; children's footwear; children's shirts; children's wear; Chinese gowns [Cheongsams]; christening gowns; climbing boots; climbing footwear; cloaks; clogs; cloth bibs; cloth hats; clothing belts; clothing cuffs; clothing for babies; clothing for children; clothing for gymnastics; clothing for skiing; clothing for sports; clothing for wear in judo practices; clothing for wear in wrestling games; clothing in particular pants; clothing in the nature of pants; clothing particularly pants; coats; coats for men; coats for men and women; coats for women; coats made of cotton; coats of denim; cocktail dresses; collar protectors; collared shirts; corduroy trousers; corselets; corset undergarment; corsets; costumes for use in children's dress up play; cotton neckties; coveralls; cravates; cravats; crew neck sweaters; crop tops; cuffs; culottes; cummerbunds; curling shoes; curling sliders; cycling gloves; cycling jackets; cycling shoes; cycling shorts; cyclists' clothing; dance clothing; dance costumes; dance shoes; datejime [tightening-up strings for kimonos]; datemaki [wrap belts for kimonos]; deck shoes; deck-shoes; denim coats; denim jackets; denim jeans; denim pants; denim shirts; detachable neckpieces for kimonos [haneri]; dickies; disposable underwear; down jackets; dress clothing; dress pants; dress shields for clothing; dress shirts; dress shoes; dress skirts; dress suits; dresses; dresses made from skins; dressing gowns; dressing gowns and bath robes; driving gloves; duffel coats; duffle coats; dungarees; durumagi [Korean overcoats]; dust coats; duster coats; ear muffs; earmuffs; embossed soles and heels of rubber or of plastic materials; espadrilles; esparto shoes or sandals; evening coats; evening dresses; evening footwear; evening gowns; exercise footwear; exercise wear; fabric belts; fairy wings; fake fur jackets; fashion hats; feather boas; fedoras; fencing vests; field hockey shoes; fingerless gloves; fishermen's jackets; fishing clothing; fishing hip waders; fishing tackle vests; fishing vests; fishing waders; fitted swimming costumes with bra cups; fittings of metal for footwear; flat shoes; fleece jackets; fleece pants; fleece pullovers; fleece shirts; fleece shorts; fleece tops; fleece vests; flight suits; flip flops; flip-flops; folk costumes; football boots; football boots and studs therefor; football cleats; football shoes; football uniforms; footwear cushioning; footwear for children; footwear for track and field athletics; footwear soles; formal wear; formalwear; foundation corsets; foundation girdles; frocks; full-length kimonos [nagagi]; full-length slips; fur coats; fur coats and jackets; fur hats; fur jackets; fur muffs; fur stoles; g-strings; gaiter straps; gaiters; galoshes; garter belts; garters; geta [Japanese style wooden clogs]; girdles; girdles for athletic use; gloves; gloves with conductive fingertips; gloves with conductive fingertips that may be worn while using hand-held electronic touch screen devices; gloves with conductive fingertips that may be worn while using handheld electronic touch screen devices; golf caps; golf cleats; golf footwear; golf hats; golf jackets; golf knickers; golf pants; golf shirts; golf shoes; golf shorts; golf skirts; golf trousers; golf wear; goloshes; gowns; graphic t-shirts; greatcoats; grippers for curling shoes; gym boots; gym shorts; gym suits; gym wear; gymnastic shoes; hairdressing capes; hakama [pleated skirts for formal kimonos]; half slips; half-boots; Halloween costumes; halter tops; handball shoes; hats; hats and caps; head bands; head scarves; head sweatbands; headbands; headbands against sweating; headscarfs; headscarves; heavy jackets; heel inserts; heel pieces for shoes; heel protectors for shoes; heelpieces for footwear; heelpieces for stockings; heels; high rain clogs (ashida); hiking boots; hiking shoes; hockey jerseys; hockey shoes; hockey sweaters; hockey uniforms; hooded jackets; hooded pullovers; hooded sweatshirts; hooded tops; hoodies; horse-riding boots; hosiery; hot pants; housecoats; hunting boots; infant clothing; infant footwear; infants' boots; infants' footwear; infants' shoes; infants' shoes and boots; infants' trousers; infantwear; inner soles; insoles; insoles for footwear; insoles for shoes and boots; intimate apparel; jackets; jackets and socks; Japanese sleeping robes [nemaki]; Japanese style clogs and sandals; Japanese style sandals [zori]; Japanese style sandals of felt; Japanese style sandals of leather; Japanese style socks [tabi covers]; Japanese style socks [tabi]; Japanese style wooden clogs [geta]; Japanese toe-strap sandals [asaura-zori]; jean jackets; jeans; jeans coveralls; jerkins; jerseys; jikatabi [Japanese split-toed work footwear]; jodhpurs; jogging pants; jogging shoes; jogging suit trousers; jogging suits; judo suits; judo uniforms; jump suits; jumper dresses; jumpers; jumpsuits; karate suits; karate uniforms; kendo outfits; kerchiefs; kilts; kimonos; knee highs; knee-high stockings; knee-length stockings; knickers; knit hats; knit jackets; knit shirts; knit skirts; knit tops; knitted caps; knitted gloves; knitted hats; knitted shirts; knitted sweaters; knitted tops; knitted underwear; koma-geta [low wooden clogs]; korean outer jackets worn over basic garment [magoja]; korean topcoats [durumagi]; korean traditional women's waistcoats [baeja]; koshimaki [undershirts for kimonos]; lab coats; lace boots; lace shawls; ladies' boots; ladies' suits; ladies' underwear; latex costumes; latex suits; layettes; leather belts; leather coats; leather gloves; leather jackets; leather pants; leather shoes; leather slippers; leather trousers; leg warmers; leg-warmers; legwarmers; leisure shoes; leisure suits; leisurewear; leotards; light-reflecting coats; light-reflecting jackets; lingerie; liveries; long jackets; long sleeve pullovers; long sleeve shirts; long sleeved vests; long underwear; long-sleeve blouses; long-sleeved shirts; long-sleeved t-shirts; lounge pants; loungewear; lounging pyjamas; low wooden clogs [hiyori-geta]; low wooden clogs [koma-geta]; mackintoshes; maniples; mantillas; mantle cloaks; martial arts uniforms; masquerade costumes; maternity clothes; maternity underwear; maternity wear; medical personnel footwear; men's sandals; men's shirts; men's socks; men's suits; men's underwear; metal fittings for Japanese style wooden clogs; metal fittings for Japanese-style wooden clogs; military clothing; military uniforms; miniskirts; mittens; moccasins; mock turtleneck shirts; moisture-wicking sports bras; moisture-wicking sports pants; money belts; monokinis; morning coats; motorcycle boots; motorcycle gloves; motorcycle jackets; motorcyclist boots; mountain bike shoes; mountaineering boots; mountaineering shoes; muffler scarves; mukluks; mules; muscle shirts; muu muus; muumuus; nagagi [full-length kimonos]; neck bands; neck ties; neck warmers; neckerchiefs; neckerchieves; neckties; negligees; nemaki [Japanese sleeping robes]; night dresses; night gowns; night shirts; nightcaps; nightdresses; nightgowns; nighties; nightshirts; nightwear; non-slip soles; novelty hats; nurse pants; nurses' uniforms; nylon stockings; obi [sash bands for kimonos]; obiage [bustle holder bands for obi]; obiage-shin [bustles for obi-knots]; one-piece bathing suits; open-necked shirts; outdoor winter clothing; outdoor winter footwear; outerwear jackets; over-trousers; overalls; overcoats; overshoes; padded jackets; pajama bottoms; pajamas; pant suits; panties; pants; pantsuits; panty girdles; pantyhose; paper hats for use as clothing items; pareos; pareus; parkas; party hats for use as clothing items; pea coats; pedicure slippers; peignoirs; perspiration absorbent underwear; perspiration absorbent underwear clothing; petticoats; pinafore dresses; pinafores; pique shirts; platform soles; pleated skirts for formal kimonos [hakama]; pocket kerchiefs; pocket squares; pockets for clothing; polo knit tops; polo shirts; ponchos; pregnancy smocks; printed t-shirts; promotional caps; promotional t-shirts; protective metal members for shoes and boots; protective tips for footwear; pullovers; puttees; pyjamas; rain boots; rain coats; rain footwear; rain hats; rain jackets; rain pants; rain ponchos; rain suits; rain trousers; raincoats; rainproof jackets; rainwear; rash guards; reversible jackets; riding boots; riding gloves; riding jackets; riding shoes; rompers; rubber boots; rubber fishing boots; rubber shoes; rubber soles for jikatabi; rugby boots; rugby shirts; rugby shoes; rugby shorts; rugby tops; running shoes; running shorts; sabots; safari jackets; sandal-clogs; sandals; sandals and beach shoes; sarees; saris; sarongs; sash bands for kimono [obi]; sashes; sashes for wear; scarfs; scarves; school uniforms; sedge hats (suge-gasa); serapes; shampoo capes; shawls; shawls and headscarves; shawls and stoles; sheepskin coats; sheepskin gloves; sheepskin jackets; shell jackets; shirt fronts; shirt yokes; shirt-jacs; shirts; shirts for suits; shoe soles; shoe soles for repair; shoe uppers; shoes; shoes soles for repair; short overcoat for kimono [haori]; short pants; short petticoats; short trousers; short-sleeve shirts; short-sleeved shirts; short-sleeved t-shirts; shortalls; shorts; shoulder scarves; shoulder wraps; shower caps; silk neckties; silk scarves; silk ties; skateboarding gloves; ski and snowboard shoes and parts thereof; ski bibs; ski boot bags; ski boots; ski clothing; ski footwear; ski gloves; ski jackets; ski pants; ski slacks; ski suits; ski suits for competition; ski trousers; ski vests; ski wear; skiing shoes; skirt suits; skirts; skirts and dresses; skiwear; skorts; skull caps; slacks; sleep masks; sleeping garments; sleepwear; sleeved jackets; sleeveless jackets; sleeveless jerseys; slipovers; slipper socks; slipper soles; slippers; slips; small hats; smocks; smoking jackets; snap crotch shirts for infants and toddlers; sneakers; snow boarding suits; snow boots; snow pants; snow suits; snow trousers; snowboard boots; snowboard jackets; snowboard pants; snowboard shoes; snowboard trousers; snowmobile suits; soccer boots; soccer shoes; soccer uniforms; sock garters; sock suspenders; socks; socks and hoisery; socks and stockings; softball caps; softball cleats; soles for footwear; soles for Japanese style sandals; spats; sport bibs; sport coats; sport jackets; sport shirts; sport stockings; sports bras; sports caps; sports caps and hats; sports clothing; sports coats; sports footwear; sports jackets; sports jerseys; sports jerseys and breeches for sports; sports overuniforms; sports pants; sports shirts; sports shirts with short sleeves; sports shoes; sports singlets; sports socks; sports uniforms; sports vests; sportswear; stocking suspenders; stockings; stoles; strapless bras; strapless brassieres; straw hats; stretch pants; string fasteners for haori [haori-himo]; studs for football boots; studs for football shoes; suede jackets; suit vests; suits; suits of leather; sun hats; sun protective clothing; sun suits; sun visors; suspender belts; suspender belts for men; suspender belts for women; suspender braces; suspenders; sweat bands; sweat jackets; sweat pants; sweat shirts; sweat shorts; sweat socks; sweat suits; sweat tops; sweat-absorbent socks; sweat-absorbent stockings; sweat-absorbent underclothing; sweat-absorbent underwear; sweatbands; sweaters; sweatpants; sweatshirts; swim caps; swim suits; swim wear; swim wear for gentlemen and ladies; swimming caps; swimming costumes; swimming suit bottoms; swimming trunks; swimsuits; swimwear; t-shirts; tabards; tabi [Japanese-style socks]; Taekwondo suits; tams; tank tops; tank-tops; tankinis; tap pants; team jerseys; team shirts; tee shirts; tee-shirts; tennis shirts; tennis shoes; tennis shorts; tennis wear; theatrical costumes; thermal socks; thermal underwear; thong sandals; thong underwear; three-piece suits; ties; tightening-up strings for kimonos (datejime); tights; tips for footwear; toe straps for Japanese style sandalszori; toe straps for Japanese style wooden clogs; togas; tongue for shoes and boots; top hats; toques; track and field shoes; track jackets; track pants; track shoes; track suits; tracksuit bottoms; tracksuit tops; tracksuits; training shoes; training suits; trench coats; trouser braces; trouser socks; trouser straps; trousers; trousers for sweating; trousers of leather; tube tops; tunics; tuques; turbans; turtleneck sweaters; turtlenecks; tutus; tuxedo belts; tuxedos; underclothing; undergarments; underpants; undershirts; undershirts for kimonos [juban]; undershirts for kimonos [koshimaki]; underskirts; underwear; uniforms for medical personnel; unitards; uppers for Japanese style sandals; uppers of woven rattan for Japanese style sandals; ushankas [fur hats]; valenki [felted boots]; veils; vest tops; vests; visor caps; visors for athletic use; volleyball jerseys; volleyball shoes; waist belts; waist strings for kimonos [koshihimo]; waistbands; waistcoats; walking shoes; walking shorts; waraji [Japanese footwear made of rice straw]; warm-up pants; warm-up suits; warm-up tops; waterproof jackets; waterproof jackets and pants; waterproof pants; waterproof trousers; waterskiing suits; wedding dresses; wedding gowns; wellies; wellington boots; welts for footwear; welts for shoes; wet suits; wet suits for surfing; wet suits for water-skiing; wet suits for water-skiing and sub-aqua; wetsuits for water-skiing; wetsuits for windsurfing; wimples; wind coats; wind resistant jackets; wind vests; wind-jackets; wind-resistant jackets; wind-resistant vests; windcheaters; windjammers for motorcycles; winter boots; winter coats; winter gloves; winter jackets; women's blouses; women's ceremonial dresses; women's foldable slippers; women's lingerie; women's shirts; women's shoes; women's socks; women's sportswear; women's suits; women's underwear; wooden main bodies of Japanese style wooden clogs; wooden shoes; wooden supports of Japanese style wooden clogs; woolen tights; woollen socks; woolly hats; work boots; work shoes; work shoes and boots; working overalls; woven rattan uppers for Japanese-style sandals; woven shirts; woven tops; woven underwear; wrap belts for kimonos [datemaki]; wrist bands; wrist warmers; wristbands; yoga pants; yoga shoes; yoga tops; zoot suits; zori [Japanese-style sandals] | |
| QV SUB Q GRAFT EXTRACTOR QUADVANTAGE TECHNOLOGY INC. 2128135 4 Jun 2021 | on 1 Apr 2022 | Medical instruments and devices, namely, external fixators; medical in... Class 010 Class 010 Medical Instrument Products Medical instruments and devices, namely, external fixators; medical instruments for cutting tissue; medical instruments for intraluminal emplacement of stents or of synthetic stent grafts, namely, stent or synthetic stent graft delivery systems; medical instruments for use in treating ACL injuries; medical instruments for use in treating tendon injuries; medical instruments, namely, orthopedic apparatus and instruments; medical and surgical apparatus and instruments, namely, devices used in orthopedic surgery to position surgical instruments, implants and/or patients' limbs; medical apparatus and instruments for treating osteoarthritis and osteoporosis; medical apparatus and instruments for treating osteoarthritis, osteoporosis, osteotraumatic injuries, degenerative bone diseases and joint diseases; medical apparatus and instruments for treating osteotraumatic injuries, degenerative bone diseases and joint diseases; medical apparatus and instruments for use in orthopedic surgery; medical apparatus and instruments for use in positron emission tomography (PET) imaging; medical apparatus and instruments for use in surgery; medical apparatus and instruments for use in allograft procedures; medical apparatus and instruments for use in hamstring allograft procedures; medical apparatus and instruments for use in autograft procedures; medical apparatus and instruments for use in QV procedures, namely, for use in harvesting of a quad tendon graft, with or without a patellar bone plug, and preparing it for use as the replacement for the injured ACL; medical apparatus, namely, invasive and non-invasive ventilation apparatus and instruments; surgical and medical apparatus and instruments for use in orthopedic surgery; surgical and medical apparatus and instruments for use in graft surgery; surgical apparatus and instruments for medical, dental or veterinary use. | |
| QEEHUA. GUANGDONG QIHUA INDUSTRIAL EQUIPMENT CO. LTD 2126622 4 Jun 2021 | on 19 Sept 2023 | Starters for motors and engines; pump diaphragms; vacuum pumps; centri... Class 007 Class 007 Machinery Products Starters for motors and engines; pump diaphragms; vacuum pumps; centrifugal pumps; blowing machines for the compression, exhaustion and transport of gases; machines and apparatus for cleaning, electric; filtering machines; sieves; belts for machines; pumps. | |
| QUEEN'S PREMIUM CRISPY ONION Queens Birista Inc. 2111800 3 Jun 2021 | on 14 May 2025 | Fried onion; Class 029 Class 029 Meats and Processed Food Products Fried onion; | |
| QH ROUNDEL & QUE HUONG Q.H. FOOD PRODUCTS INC. O/A QUE HUONG 2111081 2 Jun 2021 | on 1 Nov 2024 | Vietnamese Sausage, Vietnamese Sausage with Pork Rind, Vietnamese Saus... Class 029 Class 029 Meats and Processed Food Products Vietnamese Sausage, Vietnamese Sausage with Pork Rind, Vietnamese Sausage with Garlic and Black Pepper, Vietnamese Fried Sausage, Vietnamese Chicken Sausage, Vietnamese Fried Chicken Sausage, Vietnamese Cinnamon Sausage, Raw Vietnamese Pork Paste, Beef Balls with Tendon | |
| QCSTEM TREEFROG THERAPEUTICS 2130893 1 Jun 2021 | on 3 May 2024 | Biological preparation, namely cell freezing reagents, cell dissociati... Class 001 Class 001 Chemical Products Biological preparation, namely cell freezing reagents, cell dissociation reagents, gelling agents, cell growth factors, supplements for supporting the growth and development of cells and tissues in culture for use in cell cultures for scientific research; cell culture media for scientific or research purposes; biological tissue cultures for use in scientific research purposes; stem cells for research purposes; stem cells for scientific purposes; cell culture media for scientific or research purposes. Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Scientific apparatus for cell culture systems namely cytometers and biomimetic 3D culture systems composed of cell culture dishes for cell culture systems; laboratory machine for analyzing and sorting cell culture media; bioreactor for cell culturing; cultured cell observing apparatus, namely a microscope; cell culture incubators; cell culture apparatus for laboratory use, namely cell culture dishes and tissue culture flasks; software in the field of scientific research used for the collection, analysis, sorting, communication of biological information relating to stem cells. Class 010 Medical Instrument Products Laboratory equipment, namely machine for the regeneration of stem cells for medical purposes; Laboratory equipment, namely storage device for cell cultures for medical purposes; Laboratory equipment, namely machine for encapsulation for medical use; Laboratory equipment, namely machine for analyzing and sorting cell culture for medical use
Class 041 Education and Entertainment Services Publishing of scientific papers; publication of the results of clinical trials; publication of scientific information journals; publishing and issuing scientific papers in relation to biotechnology.
Class 042 Computer & Software Services & Scientific Services Laboratory research in the field of pharmaceutical biotechnology; scientific research on stem cells; scientific research on the production of pluripotent stem cells by encapsulation; scientific research in the field of stem cells, cell and gene therapy and pharmaceutical biotechnology; pharmaceutical research and development; scientific laboratory research services; providing information, namely laboratory results with respect to scientific research in the field of stem cells, cell and gene therapy and pharmaceutical biotechnology. | |
| Q HIKMA PHARMACEUTICALS USA INC. 2123890 1 Jun 2021 | on 1 Mar 2023 | Pharmaceutical preparations for use as a narcotic antagonist in treatm... Class 005 Class 005 Pharmaceutical Products Pharmaceutical preparations for use as a narcotic antagonist in treatment of opioid overdose. | |