Gerrit Jan Boerman

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Deventer, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for improving the purity of quaternary ammonium hydroxides...
- Patent number 7,824,538
- Issue date Nov 2, 2010
- Flexsys B.V.
- Fred Korpel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for improving the purity of quaternary ammonium hydroxides...
- Patent number 6,770,189
- Issue date Aug 3, 2004
- Flexsys B.V.
- Anna Giatti
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for improving the purity of quaternary ammonium hydroxides...
- Publication number 20050006252
- Publication date Jan 13, 2005
- Fred Korpel
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for improving the purity of quaternary ammonium hydroxides...
- Publication number 20020079233
- Publication date Jun 27, 2002
- Anna Giatti
- C07 - ORGANIC CHEMISTRY