Hans Remmel

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Freigericht, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing alkali metal salts of 2-pyrrolidone-5-carboxyli...
- Patent number 4,946,968
- Issue date Aug 7, 1990
- Degussa Aktiengesellschaft
- Hans-Peter Krimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-(2-ethylamino-4-diethylamino-s-triazine-6-yl) tetrasulfide, pro...
- Patent number 4,673,741
- Issue date Jun 16, 1987
- Degussa AG
- Werner Schwarze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vulcanizable mixture containing bis-(2-ethylamino-s-triazin-6-yl)-t...
- Patent number 4,621,121
- Issue date Nov 4, 1986
- Degussa Aktiengesellschaft
- Werner Schwarze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for cyclizing upsilon-chlorocarboxylic acids
- Patent number 4,520,209
- Issue date May 28, 1985
- Degussa Aktiengesellschaft
- Werner Schwarze
- C07 - ORGANIC CHEMISTRY