Hellmut Kast

Person

Bobenheim-Roxheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Triarylmethane dyes
- Patent number 6,846,956
- Issue date Jan 25, 2005
- BASF Aktiengesellschaft
- Hellmut Kast
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
- Patent number 6,160,169
- Issue date Dec 12, 2000
- BASF Aktiengesellschaft
- Rudolf Bermes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
- Patent number 5,892,105
- Issue date Apr 6, 1999
- BASF Aktiengesellschaft
- Rudolf Bermes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrachloroferrates of basic dyes
- Patent number 5,073,634
- Issue date Dec 17, 1991
- BASF Aktiengesellschaft
- Johannes P. Dix
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Preparation of concentrated solutions of cationic dyes as mono-carb...
- Patent number 4,976,744
- Issue date Dec 11, 1990
- BASF Aktiengesellschaft
- Johannes P. Dix
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Triphenylmethane dyes
- Patent number 4,223,144
- Issue date Sep 16, 1980
- BASF Aktiengesellschaft
- Hellmut Kast
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Basic dyes
- Patent number 4,176,229
- Issue date Nov 27, 1979
- BASF Aktiengesellschaft
- Hellmut Kast
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photopolymerizable binders containing diaminobenzophenones
- Patent number 4,147,604
- Issue date Apr 3, 1979
- BASF Aktiengesellschaft
- Werner Kuesters
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Triarylmethane dyes
- Publication number 20030181740
- Publication date Sep 25, 2003
- Hellmut Kast
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Hellmut Kast

Person

Patents Grantslast 30 patents

Triarylmethane dyes

Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid

Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid

Tetrachloroferrates of basic dyes

Preparation of concentrated solutions of cationic dyes as mono-carb...

Triphenylmethane dyes

Basic dyes

Photopolymerizable binders containing diaminobenzophenones

Patents Applicationslast 30 patents

Triarylmethane dyes