Kwok Yin Tsang

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[3-(C5-14ALKYL-2-OXO-1,2,3,4-TETRAHYDRO-QUINOLIN-6-YL)-...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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2,4-pentadienoic acid derivatives having selective activity for

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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2,4-pentadienoic acid derivatives having selective activity...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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5-[phenyl-tetrahydronaphthalene-2-yl dihydronaphthalen-2-yl...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Reexamination Certificate

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7-[(7-Alkoxy)-chrom-3-en-6-yl]-heptatrienoic acid and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1826396

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