4. Drug, bio-affecting and body treating compositions
  5. Designated organic active ingredient containing
  6. Having -c-, wherein x is chalcogen, bonded directly to...

Byung Ho Lee

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Appearing and disappearing core type writing utility

Coating implements with material supply – Projectable and retractable tool – By screw mechanism
Reexamination Certificate

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Benzopyran derivatives substituted with a benzimidazole...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Benzopyran derivatives substituted with a thioxobenzoxazole...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Benzopyranyl guanidine derivatives, process for preparation...

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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Benzopyranyl heterocycle derivatives, process for...

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-2148524

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