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Bernhard Medinger
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Giffers, CH
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last 30 patents
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Patent Grant
Process for the preparation of highly coloured diazo pigment mixtures
Patent number
5,883,167
Issue date
Mar 16, 1999
Ciba Specialty Chemicals Corporation
Bernhard Medinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixed crystals and solid solution of 1,4-diketopyrrolopyrroles
Patent number
5,708,188
Issue date
Jan 13, 1998
Ciba Specialty Chemicals Corporation
Zhimin Hao
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of synergistic pigment mixtures
Patent number
5,518,539
Issue date
May 21, 1996
Ciba-Geigy Corporation
Zhimin Hao
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Diketopyrrolopyrrole pigments in platelet form
Patent number
RE35009
Issue date
Aug 1, 1995
Ciba-Geigy Corporation
Philippe Bugnon
548 - Organic compounds
Information
Patent Grant
Diketopyrrolopyrrole pigments in platelet form
Patent number
5,095,122
Issue date
Mar 10, 1992
Ciba-Geigy Corporation
Philippe Bugnon
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel compositions based on tetrachloroisoindolinone pigments
Patent number
4,892,899
Issue date
Jan 9, 1990
Ciba-Geigy Corporation
Edward E. Jaffe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic pigments coated with crosslinked ethyl cellulose
Patent number
4,889,562
Issue date
Dec 26, 1989
Ciba-Geigy Corporation
Philippe Bugnon
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic pigments coated with metal oxides
Patent number
4,880,472
Issue date
Nov 14, 1989
Ciba-Geigy Corporation
Philippe Bugnon
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel compositions based on tetrachloroisoindolinone pigments
Patent number
4,865,650
Issue date
Sep 12, 1989
Ciba-Geigy Corporation
Jost von der Crone
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic pigments coated with metal oxides fixed with ethyl cellulose
Patent number
4,808,230
Issue date
Feb 28, 1989
Ciba-Geigy Corporation
Philippe Bugnon
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel compositions based on isoindoline pigments
Patent number
4,764,217
Issue date
Aug 16, 1988
Ciba-Geigy Corporation
Jost von der Crone
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel compositions based on indanthrone blue pigments
Patent number
4,692,189
Issue date
Sep 8, 1987
Ciba-Geigy Corporation
Fridolin Babler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Thermal tumbling granulation
Patent number
4,310,483
Issue date
Jan 12, 1982
Ciba-Geigy Corporation
Werner H. Dorfel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the distortion-free coloration of polyolefins with orga...
Patent number
4,049,615
Issue date
Sep 20, 1977
Ciba-Geigy Corporation
Anton Elsener
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...