Rainer Hamprecht

Person

Odenthal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Disperse azo dyestuffs
- Patent number 7,682,408
- Issue date Mar 23, 2010
- Dy Star Textilfarben GmbH & Co.
- Andreas Endres
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydroxypyridonemethide azo dyes
- Patent number 6,627,742
- Issue date Sep 30, 2003
- DyStar Textilfarben GmbH & Co. Deutschland KG
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thermomigrationfast azo dyes
- Patent number 6,191,265
- Issue date Feb 20, 2001
- DyStar Textilfarben GmbH & Co. Deutschland KG
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridone-methide azo dyestuffs
- Patent number 5,955,615
- Issue date Sep 21, 1999
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridone-methide azo dyestuffs with improved dyeing and printing pr...
- Patent number 5,808,015
- Issue date Sep 15, 1998
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanation of double bond systems
- Patent number 5,750,761
- Issue date May 12, 1998
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of blue disperse azo dyestuffs
- Patent number 5,644,039
- Issue date Jul 1, 1997
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo dyestuffs in which the coupling component contains an N,N-bis(a...
- Patent number 5,194,598
- Issue date Mar 16, 1993
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monazo compounds containing a 1-phenyl-2-pyrazoline coupling component
- Patent number 5,028,701
- Issue date Jul 2, 1991
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Colored thermoplastic resin composition
- Patent number 4,988,752
- Issue date Jan 29, 1991
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing 2-amino-thiophenes and azo dyestuffs prepared...
- Patent number 4,888,432
- Issue date Dec 19, 1989
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzothiazoles
- Patent number 4,808,723
- Issue date Feb 28, 1989
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Halftone gravure printing inks containing an azo dyestuff
- Patent number 4,776,886
- Issue date Oct 11, 1988
- Bayer Aktiengesellschaft
- Manfred Lorenz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo dyestuffs from cyano-amino-benzisothiazoles
- Patent number 4,582,898
- Issue date Apr 15, 1986
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color photographic recording material containing a thiazole azo dye...
- Patent number 4,524,124
- Issue date Jun 18, 1985
- Agfa-Gevaert Aktiengesellschaft
- Peter Bergthaller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Red dyeing 2,6-dicyano-2'-sulfonamido-4'-amino-azo-benzenes
- Patent number 4,479,899
- Issue date Oct 30, 1984
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dyeing red with 2,6-dicyano-2'-sulfonamido-4'-amino-azo-benzenes
- Patent number 4,452,609
- Issue date Jun 5, 1984
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Halo-substituted amino-and substituted-sulphonamido-containing azo...
- Patent number 4,424,156
- Issue date Jan 3, 1984
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of cyano-azo dyestuffs
- Patent number 4,348,319
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pesticidally active 1-arylamino-2,4-dinitronaphthalenes
- Patent number 4,293,566
- Issue date Oct 6, 1981
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous process for the preparation of aromatic phosphorus compounds
- Patent number 4,279,813
- Issue date Jul 21, 1981
- Bayer Aktiengesellschaft
- Otto Schallner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cyanoazo dyestuffs
- Patent number 4,269,770
- Issue date May 26, 1981
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo dyestuffs containing phenolic coupling group
- Patent number 4,259,237
- Issue date Mar 31, 1981
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pesticidally active 1-arylamino-2,4-dinitronaphthalenes
- Patent number 4,183,949
- Issue date Jan 15, 1980
- Bayer Aktiengesellschaft
- Rainer Hamprecht
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
DISPERSE AZO DYESTUFFS
- Publication number 20090064426
- Publication date Mar 12, 2009
- DyStar Textilfarben GmbH & Co. Deutschland KG
- Andreas Endres
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Rainer Hamprecht

Person

Patents Grantslast 30 patents

Disperse azo dyestuffs

Hydroxypyridonemethide azo dyes

Thermomigrationfast azo dyes

Pyridone-methide azo dyestuffs

Pyridone-methide azo dyestuffs with improved dyeing and printing pr...

Cyanation of double bond systems

Mixtures of blue disperse azo dyestuffs

Azo dyestuffs in which the coupling component contains an N,N-bis(a...

Monazo compounds containing a 1-phenyl-2-pyrazoline coupling component

Colored thermoplastic resin composition

Process for preparing 2-amino-thiophenes and azo dyestuffs prepared...

Process for the preparation of benzothiazoles

Halftone gravure printing inks containing an azo dyestuff

Azo dyestuffs from cyano-amino-benzisothiazoles

Color photographic recording material containing a thiazole azo dye...

Red dyeing 2,6-dicyano-2'-sulfonamido-4'-amino-azo-benzenes

Dyeing red with 2,6-dicyano-2'-sulfonamido-4'-amino-azo-benzenes

Halo-substituted amino-and substituted-sulphonamido-containing azo...

Process for the preparation of cyano-azo dyestuffs

Pesticidally active 1-arylamino-2,4-dinitronaphthalenes

Aqueous process for the preparation of aromatic phosphorus compounds

Process for the preparation of cyanoazo dyestuffs

Azo dyestuffs containing phenolic coupling group

Pesticidally active 1-arylamino-2,4-dinitronaphthalenes

Patents Applicationslast 30 patents

DISPERSE AZO DYESTUFFS