4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Carboxylic acid esters

William H. Epstein

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1-arenesulfonyl-2-aryl-pyrrolidine and pyridine derivatives

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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4-phenyl-pyridine derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Reexamination Certificate

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Alpha-ketoamide derivatives

Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – 6 to 7 amino acid residues in defined sequence
Reexamination Certificate

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Biphenyl derivatives

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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Chimeric serine proteases

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
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Profile ID: LFUS-PAI-P-2025230

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