John C. Drach

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2,2-bis-(hydroxymethyl)cyclopropylidenemethyl-purines 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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2,2-bis-(hydroxymethyl)cyclopropylidenemethyl-purines 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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2-acetylpyridine thiosemicarbazone compositions as anitviral age

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent

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2-acetylpyridine thiosemicarbazones as antiviral agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent

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2-amino-9-[(2-hydroxymethyl) cyclopropylidenemethyl] purine...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-157079

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