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Hartmut Hartner
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Muhltal, DE
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last 30 patents
Information
Patent Grant
Recovery of isoquercetin from bioflavanoid pastes
Patent number
6,683,164
Issue date
Jan 27, 2004
Merck Patent GmbH
Herwig Buchholz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-arylbenzimidazole-5-sulfonic acids
Patent number
5,473,079
Issue date
Dec 5, 1995
Merck Patent Gesellschaft mit beschrankter Haftung
Ulrich Heywang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Materials coated with plate-like pigments
Patent number
5,223,360
Issue date
Jun 29, 1993
Merck Patent Gesellschaft mit beschrankter Haftung
Constanze Prengel
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Process for the preparation of hydroxyamines
Patent number
5,023,379
Issue date
Jun 11, 1991
Merck Patent Gesellschaft mit beschrankter Haftung
Ernst Felder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Negative photoresists of the polyimide type containing 1,2-disulfones
Patent number
4,980,268
Issue date
Dec 25, 1990
Ciba-Geigy Corporation
Ekkehard Bartmann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sorbitol, process for its preparation, and use thereof
Patent number
4,605,794
Issue date
Aug 12, 1986
Merck Patent Gesellschaft mit beschrankter Haftung
Friedrich Reiff
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Photoresists suitable for forming relief structures of highly heat-...
Patent number
4,540,650
Issue date
Sep 10, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Rudolf Klug
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the development of relief structures based on radiation...
Patent number
4,539,288
Issue date
Sep 3, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Hans-Joachim Merrem
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for the preparation of [2,2]-paracyclophane
Patent number
4,532,369
Issue date
Jul 30, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Hartmut Hartner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sorbitol, process for its preparation, and use thereof
Patent number
4,507,511
Issue date
Mar 26, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Friedrich Reiff
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing N,N-disubstituted p-phenylenediamine derivatives
Patent number
4,474,987
Issue date
Oct 2, 1984
Merck Patent Gesellschaft mit beschrankter Haftung
Bruno Wollemann
C07 - ORGANIC CHEMISTRY