Gunter Gehrke

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Mixtures of disperse dyestuffs
- Patent number 4,523,926
- Issue date Jun 18, 1985
- Bayer Aktiengesellschaft
- Horst Brandt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 4,5-dinitro-1,8-dihydroxyanthraquinone
- Patent number 4,342,701
- Issue date Aug 3, 1982
- Bayer Aktiengesellschaft
- Werner Steinbeck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cationic anthraquinone dyestuffs
- Patent number 4,296,044
- Issue date Oct 20, 1981
- Bayer Aktiengesellschaft
- Karl H. Duchardt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of dimethoxyanthraquinones
- Patent number 4,278,607
- Issue date Jul 14, 1981
- Bayer Aktiengesellschaft
- Helmut Seidler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for dyeing and printing cellulose fibres
- Patent number 4,256,460
- Issue date Mar 17, 1981
- Bayer Aktiengesellschaft
- Gunter Gehrke
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing and printing cellulose fibres
- Patent number 4,255,151
- Issue date Mar 10, 1981
- Bayer Aktiengesellschaft
- Volker Hederich
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Transfer printing process
- Patent number 4,210,413
- Issue date Jul 1, 1980
- Bayer Aktiengesellschaft
- Gunter Gehrke
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Gunter Gehrke

Person

Patents Grantslast 30 patents

Mixtures of disperse dyestuffs

Process for the preparation of 4,5-dinitro-1,8-dihydroxyanthraquinone

Process for the preparation of cationic anthraquinone dyestuffs

Process for the preparation of dimethoxyanthraquinones

Process for dyeing and printing cellulose fibres

Process for dyeing and printing cellulose fibres

Transfer printing process