Ralph Marquardt

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing cyanuric chloride
- Patent number 6,838,070
- Issue date Jan 4, 2005
- Degussa AG
- Walter Boerner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing acetone-cyanhydrin
- Patent number 6,417,385
- Issue date Jul 9, 2002
- Degussa AG
- Walter Börner
- C07 - ORGANIC CHEMISTRY