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Heinrich Krimm
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Krefeld, DE
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last 30 patents
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Patent Grant
Process for preparing cyclic N-vinylacylamines
Patent number
4,511,722
Issue date
Apr 16, 1985
Bayer Aktiengesellschaft
Heinrich Krimm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic carbonic acid derivatives
Patent number
4,501,905
Issue date
Feb 26, 1985
Bayer Aktiengesellschaft
Heinrich Krimm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic carbonic acid derivatives
Patent number
4,440,937
Issue date
Apr 3, 1984
Bayer Aktiengesellschaft
Heinrich Krimm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
4,434,105
Issue date
Feb 28, 1984
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Copolymers of cyclic carbonic acid esters and lactams and their pro...
Patent number
4,431,795
Issue date
Feb 14, 1984
Bayer Aktiengesellschaft
Heinrich Krimm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of N,O-disubstituted urethanes and use t...
Patent number
4,381,404
Issue date
Apr 26, 1983
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Copolymers based on aliphatic polycarbonates and lactams
Patent number
4,377,670
Issue date
Mar 22, 1983
Bayer Aktiengesellschaft
Heinrich Krimm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of dimethyl carbonate
Patent number
4,335,051
Issue date
Jun 15, 1982
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aromatic polycarbonates
Patent number
4,330,665
Issue date
May 18, 1982
Bayer Aktiengesellschaft
Heinrich Krimm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
4,307,032
Issue date
Dec 22, 1981
Bayer Aktiengesellschaft
Heinrich Krimm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aromatic carbonic acid esters
Patent number
4,252,737
Issue date
Feb 24, 1981
Bayer Aktiengesellschaft
Heinrich Krimm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
4,181,676
Issue date
Jan 1, 1980
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of trimethylolalkanes
Patent number
4,122,290
Issue date
Oct 24, 1978
Bayer Aktiengesellschaft
Otto Immel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aliphatic polycarbonates and polyure...
Patent number
4,105,641
Issue date
Aug 8, 1978
Bayer Aktiengesellschaft
Hans-Josef Buysch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...