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

Darrell J. Koza

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7, 8 and 9-substituted tetracycline compounds

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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7, 8 and 9-substituted tetracycline compounds

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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9-substituted minocycline compounds

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – 3,10-dihydroxy-2-naphthacene carboxamide or derivative doai
Reexamination Certificate

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Methods of preparing substituted tetracyclines with...

Organic compounds -- part of the class 532-570 series – Organic compounds – Tetracyclo naphthacene configured ring system having at...
Reexamination Certificate

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Methods of preparing substituted tetracyclines with...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – 3,10-dihydroxy-2-naphthacene carboxamide or derivative doai
Reexamination Certificate

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