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Egon Liedek
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Esslingen, DE
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last 30 patents
Information
Patent Grant
Process for preparing inorganic pigments of particular particle size
Patent number
5,496,403
Issue date
Mar 5, 1996
BASF Lacke + Farben Aktiengesellschaft
Harald Gaedcke
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bismuth phosphovanadate pigments
Patent number
5,273,577
Issue date
Dec 28, 1993
BASF Aktiengesellschaft
Egon Liedek
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Zinc salts, lead salts and/or calcium salts of carboxylic acids and...
Patent number
4,999,134
Issue date
Mar 12, 1991
BASF Aktiengesellschaft
Egon Liedek
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Disazo compounds and formulations containing same
Patent number
4,981,489
Issue date
Jan 1, 1991
Basf Lacke & Farben Aktiengesellschaft
Wolfgang Ruff
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo compounds and formulations containing same
Patent number
4,894,094
Issue date
Jan 16, 1990
Basf Lacke & Farben Aktiengesellschaft
Wolfgang Ruff
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Thermostable rutile mixed phase pigments
Patent number
4,844,741
Issue date
Jul 4, 1989
Lacke & Farben Aktiengesellschaft
Helmut Knittel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Zinc and/or lead salts of carboxylic acids and their use as corrosi...
Patent number
4,830,775
Issue date
May 16, 1989
BASF Lacke + Farben Aktiengesellschaft
Egon Liedek
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Pigment formulations
Patent number
4,720,304
Issue date
Jan 19, 1988
BASF Farben+Fasern Aktiengesellschaft
Wolfgang Ruff
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine
Patent number
4,609,726
Issue date
Sep 2, 1986
BASF Aktiengesellschaft
Reinhard Kemper
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified diarylide pigments and their preparation
Patent number
4,602,960
Issue date
Jul 29, 1986
BASF Farben & Fasern Aktiengesellschaft
Egon Liedek
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation of thermally stable lead chromate pigments
Patent number
4,530,725
Issue date
Jul 23, 1985
BASF Farben
Werner Ostertag
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Mixed pigment and process of preparing the same
Patent number
4,222,788
Issue date
Sep 16, 1980
BASF Farben & Fasern AG
Egon Liedek
C01 - INORGANIC CHEMISTRY