Claus-Dieter Sommerfeld

Person

Overath, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the production of partially fluorinated fluoropolymers
- Patent number 6,346,587
- Issue date Feb 12, 2002
- Bayer Aktiengesellschaft
- Ralf Krüger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
C.sub.3 to C.sub.5 polyfluorcalkanes propellants
- Patent number 5,646,196
- Issue date Jul 8, 1997
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
C.sub.3 to C.sub.5 polyfluorcalkanes propellants
- Patent number 5,624,970
- Issue date Apr 29, 1997
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
C.sub.3 to C.sub.5 polyfluoroalkanes propellants
- Patent number 5,496,866
- Issue date Mar 5, 1996
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oligourea polyols, polyether polyols produced from them and the use...
- Patent number 4,874,797
- Issue date Oct 17, 1989
- Bayer Aktiengesellschaft
- Peter Haas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reaction products useful as catalysts in the production of isocyana...
- Patent number 4,857,560
- Issue date Aug 15, 1989
- Bayer Aktiengesellschaft
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of a cellular polyurethane
- Patent number 4,735,970
- Issue date Apr 5, 1988
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyester polyols, a process for their production and their use in...
- Patent number 4,681,903
- Issue date Jul 21, 1987
- Bayer Aktiengesellschaft
- Peter Haas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyisocyanate addition products and...
- Patent number 4,644,017
- Issue date Feb 17, 1987
- Bayer Aktiengesellschaft
- Peter Haas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyurethane plastics
- Patent number 4,331,778
- Issue date May 25, 1982
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Claus-Dieter Sommerfeld

Person

Patents Grantslast 30 patents

Method for the production of partially fluorinated fluoropolymers

C.sub.3 to C.sub.5 polyfluorcalkanes propellants

C.sub.3 to C.sub.5 polyfluorcalkanes propellants

C.sub.3 to C.sub.5 polyfluoroalkanes propellants

Oligourea polyols, polyether polyols produced from them and the use...

Reaction products useful as catalysts in the production of isocyana...

Process for the production of a cellular polyurethane

Polyester polyols, a process for their production and their use in...

Process for the production of polyisocyanate addition products and...

Process for the production of polyurethane plastics