Hans Mehner

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gold(I) mercaptocarboxylic acid esters, method of their preparation...
- Patent number 5,328,769
- Issue date Jul 12, 1994
- Degussa Aktiengesellschaft
- Marion Lotze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gold(I) mercaptocarboxylic acid esters, method of their preparation...
- Patent number 5,312,480
- Issue date May 17, 1994
- Degussa Aktiengesellschaft
- Marion Lotze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gold(I) mercaptocarboxylic acid esters, method of their preparation...
- Patent number 5,235,079
- Issue date Aug 10, 1993
- Degussa Aktiengesellschaft
- Marion Lotze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glossy, precious-metal preparations for microwave-resistant tablewa...
- Patent number 4,992,098
- Issue date Feb 12, 1991
- Degusssa Aktiengesellschaft
- Marion Lotze
- B44 - DECORATIVE ARTS