Dean R. Hellwig

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Racine, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous bulk polymerization and esterification process and compo...
- Patent number 6,858,678
- Issue date Feb 22, 2005
- Johnson Polymer, LLC
- Kevin M. Andrist
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polymers by free radical polymerization and c...
- Patent number 6,689,853
- Issue date Feb 10, 2004
- Johnson Polymer, LLC
- John D. Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous bulk polymerization and esterification process
- Patent number 6,355,727
- Issue date Mar 12, 2002
- S.C. Johnson Commercial Markets, Inc.
- Kevin M. Andrist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing polymers by free radical polymerization and c...
- Patent number 6,346,590
- Issue date Feb 12, 2002
- S. C. Johnson Commercial Markets, Inc.
- John D. Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Continuous bulk polymerization and esterification process and compo...
- Publication number 20050059782
- Publication date Mar 17, 2005
- Kevin M. Andrist
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing polymers by free radical polymerization and c...
- Publication number 20020091207
- Publication date Jul 11, 2002
- John D. Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Continuous bulk polymerization and esterification process and compo...
- Publication number 20020082375
- Publication date Jun 27, 2002
- Kevin M. Andrist
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING POLYMERS BY FREE RADICAL POLYMERIZATION AND C...
- Publication number 20020026020
- Publication date Feb 28, 2002
- JOHN D. CAMPBELL
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...