Ulrich Nehen

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Microcapsules having walls made of polyisocyanate/guanidine reactio...
- Patent number 5,635,211
- Issue date Jun 3, 1997
- Bayer Aktiengesellschaft
- Ulrich Nehen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Foamed microbeads and a process for their preparation
- Patent number 4,882,362
- Issue date Nov 21, 1989
- Bayer Aktiengesellschaft
- Norbert Weimann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Microcapsules with improved polyurea walls
- Patent number 4,847,152
- Issue date Jul 11, 1989
- Bayer Aktiengesellschaft
- Gert Jabs
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Foamed microbeads and a process for their preparation
- Patent number 4,804,687
- Issue date Feb 14, 1989
- Bayer Aktiengesellschaft
- Norbert Weimann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Imidazo[1,5-A]pyridylmethanes
- Patent number 4,687,853
- Issue date Aug 18, 1987
- Hans-volker Runzheimer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Microcapsules having walls of polyaddition products of water-insolu...
- Patent number 4,592,957
- Issue date Jun 3, 1986
- Bayer Aktiengesellschaft
- Manfred Dahm
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Production of microcapsules having walls of polyaddition products o...
- Patent number 4,517,141
- Issue date May 14, 1985
- Bayer Aktiengesellschaft
- Manfred Dahm
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for the production of microcapsules
- Patent number 4,428,983
- Issue date Jan 31, 1984
- Bayer Aktiengesellschaft
- Ulrich Nehen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Copying systems, a process for their production, and suitable print...
- Patent number 4,404,251
- Issue date Sep 13, 1983
- Bayer Aktiengesellschaft
- Gert Jabs
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Microcapsules obtainable using protein hydrolysate emulsifier
- Publication number 20020009495
- Publication date Jan 24, 2002
- Harro Traubel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Ulrich Nehen

Person

Patents Grantslast 30 patents

Microcapsules having walls made of polyisocyanate/guanidine reactio...

Foamed microbeads and a process for their preparation

Microcapsules with improved polyurea walls

Foamed microbeads and a process for their preparation

Imidazo[1,5-A]pyridylmethanes

Microcapsules having walls of polyaddition products of water-insolu...

Production of microcapsules having walls of polyaddition products o...

Process for the production of microcapsules

Copying systems, a process for their production, and suitable print...

Patents Applicationslast 30 patents

Microcapsules obtainable using protein hydrolysate emulsifier