Elke Langkopf

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2-Amino-imidazo[4,5-d]pyridazin-4-ones, their preparation...

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

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3-methyl-7-butinyl-xanthines, the preparation thereof 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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4-amino-quinazoline and quinoline derivatives having an...

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

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8-(3-amino-piperidin-1-yl)-7-(but-2-ynyl)-xanthines, the...

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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8-(piperazin-1yl)- and 8-([1,4]diazepan-1yl)-xanthines, the...

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

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Profile ID: LFUS-PAI-P-2293660

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