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About 2 Trademarks found for “BIOCHEK”

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BIOCHEK*

BIOC*

*HEK

BI*EK

307938
EXPUNGED

on 16 Jul 1999

BIOCHEK

CALGON CORPORATION

307938 · 26 Sept 1967

001

Paper mill biocides.

309518
EXPUNGED

BIOCHEK 60

BAYER CORPORATION (AN INDIANA CORPORATION)

309518 · 8 Dec 1967

005

An ingredient of paper rendering it antibacterial.

Owners

Bayer corporation (an indiana corporation) (1)

Calgon corporation (1)

Categories

Class 1 (1)

Class 5 (1)

Correspondents

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