Harro Schlesmann

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Odenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing N-cyclohexylthiophthalimide
- Patent number 5,719,294
- Issue date Feb 17, 1998
- Bayer AG
- Adolf Sicheneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of bis-benzthiazolyl alkyl sulfenimides
- Patent number 5,286,870
- Issue date Feb 15, 1994
- Bayer AG
- Adolf Sicheneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of crude 2-mercaptobenzothiazole
- Patent number 5,198,550
- Issue date Mar 30, 1993
- Bayer Aktiengesellschaft
- Klaus Reinartz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-nitrodiphenylamines
- Patent number 4,771,067
- Issue date Sep 13, 1988
- Bayer Aktiengesellschaft
- Chiraranjan Podder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-nitrodiphenylamines
- Patent number 4,670,595
- Issue date Jun 2, 1987
- Bayer Aktiengesellschaft
- Chiraranjan Podder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-nitrodiphenylamines
- Patent number 4,665,233
- Issue date May 12, 1987
- Bayer Aktiengesellschaft
- Chiraranjan Podder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-nitrodiphenylamines
- Patent number 4,665,232
- Issue date May 12, 1987
- Bayer Aktiengesellschaft
- Chiraranjan Podder
- C07 - ORGANIC CHEMISTRY