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Wolfgang Schlenther
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Hamburg, DE
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last 30 patents
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Patent Grant
Substituted 2,6-diaminotoluenes, processes for their preparation an...
Patent number
5,230,710
Issue date
Jul 27, 1993
Hans Schwarzkopf GmbH
Mustafa Akram
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Substituted 1,3-diaminobenzenes, processes for their preparation an...
Patent number
5,078,748
Issue date
Jan 7, 1992
Hans Schwarzkopf GmbH
Mustafa Akram
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Substituted 4-amino-3-nitrophenols, processes for their preparation...
Patent number
4,575,378
Issue date
Mar 11, 1986
Hans Schwarzkopf GmbH
Winfried Seidel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE