Heinrich Petsch

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the continuous preparation of methionine or methionine d...
- Patent number 5,672,745
- Issue date Sep 30, 1997
- Degussa Aktiengesellschaft
- Hans-Albrecht Hasseberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the treatment of aliphatic epoxides
- Patent number 4,855,465
- Issue date Aug 8, 1989
- Degussa Aktiengesellschaft
- Andreas Grund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a cycloaliphatic diepoxide
- Patent number 4,849,532
- Issue date Jul 18, 1989
- Degussa Aktiengesellschaft
- Georg Boehme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid- .D...
- Patent number 4,721,804
- Issue date Jan 26, 1988
- Degussa Aktiengesellschaft
- Guenter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 3-cyclohexene-1-carboxaldehyde
- Patent number 4,642,387
- Issue date Feb 10, 1987
- Degussa Aktiengesellschaft
- Guenter Prescher
- C07 - ORGANIC CHEMISTRY