Willi Ripperger

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Frankenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for gently cooling and crystallizing melamine from a melami...
- Patent number 7,153,962
- Issue date Dec 26, 2006
- Casale Chemicals S.A.
- Willi Ripperger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high purity melamine from urea
- Patent number 6,858,730
- Issue date Feb 22, 2005
- Casale Chemicals S.A.
- Willi Ripperger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of ammonium carbamate
- Patent number 4,567,294
- Issue date Jan 28, 1986
- BASF Aktiengesellschaft
- Manfred Dressel
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR GENTLY COOLING AND CRYSTALLIZING MELAMINE FROM A MELAMI...
- Publication number 20070015919
- Publication date Jan 18, 2007
- Casale Chemicals S.A.
- Willi Ripperger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the production of high purity melamine from urea
- Publication number 20040010144
- Publication date Jan 15, 2004
- Willi Ripperger
- C07 - ORGANIC CHEMISTRY