Donald H. Westermann

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Greenfield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for purifying low grade acetonitrile and other...
- Patent number 6,508,917
- Issue date Jan 21, 2003
- ChemCycles, Inc.
- Heather K. Miles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for purifying low grade acetonitrile and other...
- Patent number 6,395,142
- Issue date May 28, 2002
- ChemCycles, Inc.
- Heather K. Miles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of resin and resin obtained
- Patent number 4,692,478
- Issue date Sep 8, 1987
- Chemical Process Corporation
- Tito Viswanathan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...