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Wilhelm Lamberts
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Leverkusen, DE
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last 30 patents
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
Process for the production of hard polyurethane foams
Patent number
5,602,190
Issue date
Feb 11, 1997
Bayer Aktiengesellschaft
Wilhelm Lamberts
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing rigid polyurethane foams
Patent number
5,578,651
Issue date
Nov 26, 1996
Bayer Aktiengesellschaft
Wilhelm Lamberts
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
C.sub.3 to C.sub.5 polyfluoroalkanes propellants
Patent number
5,496,867
Issue date
Mar 5, 1996
Bayer Aktiengesellschaft
Calus-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
Process for producing isocyanate-based foams
Patent number
5,428,077
Issue date
Jun 27, 1995
Bayer Aktiengesellschaft
Wilhelm Lamberts
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Device for the production of a reaction mixture
Patent number
5,372,789
Issue date
Dec 13, 1994
Bayer Aktiengesellschaft
Wilhelm Lamberts
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating ga...
Patent number
4,931,482
Issue date
Jun 5, 1990
Bayer Aktiengesellschaft
Wilhelm Lamberts
C07 - ORGANIC CHEMISTRY