Friedrich W. Krock

Person

Odenthal-Gloebusch, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Dyestuffs for bulk dyeing plastics
- Patent number 5,621,027
- Issue date Apr 15, 1997
- Bayer Aktiengesellschaft
- Peter Roschger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of light polarizing films
- Patent number 5,286,420
- Issue date Feb 15, 1994
- Bayer Aktiengesellschaft
- Uwe Claussen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stilbene dyestuffs and light-polarizing films or sheets containing...
- Patent number 5,272,259
- Issue date Dec 21, 1993
- Bayer Aktiengesellschaft
- Uwe Claussen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-polarizing films or foils containing triphendioxazine or trip...
- Patent number 5,213,582
- Issue date May 25, 1993
- Bayer Aktiengesellschaft
- Peter Wild
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluoromethylated polycyanobenzenes, their alkali metal cyanide addu...
- Patent number 5,175,336
- Issue date Dec 29, 1992
- Bayer Aktiengesellschaft
- Gunther Beck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light polarizing films or foils and dyes for their production
- Patent number 5,122,557
- Issue date Jun 16, 1992
- Bayer Aktiengesellschaft
- Uwe Claussen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous casting solutions for the production of light-polarizing sh...
- Patent number 5,093,401
- Issue date Mar 3, 1992
- Bayer Aktiengesellschaft
- Uwe Claussen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-polarizing films or sheets containing stilbene dyestuffs
- Patent number 5,007,942
- Issue date Apr 16, 1991
- Bayer Aktiengesellschaft
- Uwe Claussen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anthraquinone dyestuffs
- Patent number 4,863,634
- Issue date Sep 5, 1989
- Bayer Aktiengesellschaft
- Uwe Claussen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anthraquinone dyestuffs, their preparation and use and dichroic mat...
- Patent number 4,689,171
- Issue date Aug 25, 1987
- Bayer Aktiengesellschaft
- Martin Blunck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aryl-mercapto anthraquinone dyestuffs, their preparation and use an...
- Patent number 4,596,666
- Issue date Jun 24, 1986
- Bayer Aktiengesellschaft
- Martin Blunck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of 1,4-diamino-anthraquinone-2-sulphoni...
- Patent number 4,521,341
- Issue date Jun 4, 1985
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinone
- Patent number 4,422,973
- Issue date Dec 27, 1983
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinones
- Patent number 4,294,769
- Issue date Oct 13, 1981
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Colorants
- Patent number 4,294,578
- Issue date Oct 13, 1981
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Transfer printing process and printing inks and temporary supports...
- Patent number 4,278,434
- Issue date Jul 14, 1981
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Anthraquinone compounds
- Patent number 4,264,511
- Issue date Apr 28, 1981
- Bayer Aktiengesellschaft
- Friedrich W. Krock
- C07 - ORGANIC CHEMISTRY

Friedrich W. Krock

Person

Patents Grantslast 30 patents

Dyestuffs for bulk dyeing plastics

Production of light polarizing films

Stilbene dyestuffs and light-polarizing films or sheets containing...

Light-polarizing films or foils containing triphendioxazine or trip...

Fluoromethylated polycyanobenzenes, their alkali metal cyanide addu...

Light polarizing films or foils and dyes for their production

Aqueous casting solutions for the production of light-polarizing sh...

Light-polarizing films or sheets containing stilbene dyestuffs

Anthraquinone dyestuffs

Anthraquinone dyestuffs, their preparation and use and dichroic mat...

Aryl-mercapto anthraquinone dyestuffs, their preparation and use an...

Process for the preparation of 1,4-diamino-anthraquinone-2-sulphoni...

Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinone

Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinones

Colorants

Transfer printing process and printing inks and temporary supports...

Anthraquinone compounds