Hans-R Kricheldorf

Person

Hamburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Thermotropic main-chain liquid crystalline polymers and method of i...
- Patent number 7,175,779
- Issue date Feb 13, 2007
- Optatech Corporation
- Hans Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of copolyesters
- Patent number 6,297,350
- Issue date Oct 2, 2001
- Ferring GmbH
- Hans R. Kricheldorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Chirally nematic polyesters
- Patent number 6,291,629
- Issue date Sep 18, 2001
- BASF Aktiengesellschaft
- Hans R. Kricheldorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Chiral nematic polycarbonates
- Patent number 6,156,866
- Issue date Dec 5, 2000
- BASF Aktiengesellschaft
- Peter Schuhmacher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid crystalline copoly(ester-imide)s and a process for the prepa...
- Patent number 5,843,541
- Issue date Dec 1, 1998
- OPTATECH Corporation
- Heli Alanko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Chiral nematic polyesters
- Patent number 5,766,679
- Issue date Jun 16, 1998
- BASF Aktiengesellschaft
- Karl Siemensmeyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating composition with thermally-influenced color
- Patent number 5,691,053
- Issue date Nov 25, 1997
- Daimler-Benz AG
- Michael Gailberger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stiff-chain polyheterocycles having improved solubility, a process...
- Patent number 5,134,219
- Issue date Jul 28, 1992
- Bayer Aktiengesellschaft
- Hans R. Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolycarbonate from mixture of polyarylene diol
- Patent number 5,084,550
- Issue date Jan 28, 1992
- Bayer Aktiengesellschaft
- Ralf Pakull
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polyethers containing keto groups in side chains
- Patent number 5,004,836
- Issue date Apr 2, 1991
- Bayer Aktiengesellschaft
- Hans-Rytger Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic aromatic polyesters, a process for their production an...
- Patent number 4,931,534
- Issue date Jun 5, 1990
- Bayer Aktiengesellschaft
- Ralf Pakull
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic polyesterimide from N-carboxyalkylene trimellitimide h...
- Patent number 4,861,857
- Issue date Aug 29, 1989
- Bayer Aktiengesellschaft
- Hans-Rytger Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyimide esters of trimellitic acid
- Patent number 4,631,333
- Issue date Dec 23, 1986
- Bayer Aktiengesellschaft
- Hans R. Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of aromatic ethers and aromatic polyethers
- Patent number 4,474,932
- Issue date Oct 2, 1984
- Bayer Aktiengesellschaft
- Gerhard Bier
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Cyclic polycarbonates and copolycarbonates,production and use thereof
- Publication number 20060089483
- Publication date Apr 27, 2006
- Rolf Wehrmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hans-R Kricheldorf

Person

Patents Grantslast 30 patents

Thermotropic main-chain liquid crystalline polymers and method of i...

Process for the preparation of copolyesters

Chirally nematic polyesters

Chiral nematic polycarbonates

Liquid crystalline copoly(ester-imide)s and a process for the prepa...

Chiral nematic polyesters

Coating composition with thermally-influenced color

Stiff-chain polyheterocycles having improved solubility, a process...

Copolycarbonate from mixture of polyarylene diol

Aromatic polyethers containing keto groups in side chains

Thermotropic aromatic polyesters, a process for their production an...

Thermotropic polyesterimide from N-carboxyalkylene trimellitimide h...

Process for the preparation of polyimide esters of trimellitic acid

Process for the production of aromatic ethers and aromatic polyethers

Patents Applicationslast 30 patents

Cyclic polycarbonates and copolycarbonates,production and use thereof