Wilan Jerke

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Niederdorfelden, DE

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Patents Grantslast 30 patents

Information Patent Grant
EMI shielding pigments, a process for their preparation and their use
- Patent number 5,266,109
- Issue date Nov 30, 1993
- Degussa Aktiengesellschaft
- Werner Voelker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purple pigments, a process for their production and use thereof
- Patent number 5,252,522
- Issue date Oct 12, 1993
- Degussa Aktiengesellschaft
- Bernd Dorbath
- C01 - INORGANIC CHEMISTRY