Ralf Maassen

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2,3,5-trimethy1-p-Benzoquinone
- Patent number 6,410,798
- Issue date Jun 25, 2002
- Degussa-Huls Aktiengesellschaft
- Ralf Maassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,3,5-trimethyl-p-benzoquinone
- Patent number 6,262,311
- Issue date Jul 17, 2001
- Degussa AG
- Ralf Maassen
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the preparation of 2,3,5-trimethy1-p- benzoquinone
- Publication number 20010041804
- Publication date Nov 15, 2001
- Ralf Maassen
- C07 - ORGANIC CHEMISTRY