Richard J. Elwell

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Terneuzen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Low emission polyurethane polymers made with autocatalytic polyols
- Patent number 6,762,274
- Issue date Jul 13, 2004
- Dow Global Technologies Inc.
- Simon Waddington
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for purifying polyethers
- Patent number 6,376,625
- Issue date Apr 23, 2002
- The Dow Chemical Company
- James P. Cosman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Elastomeric polyisocyanate-based polymers from polyoxyalkylene poly...
- Patent number 5,122,548
- Issue date Jun 16, 1992
- The Dow Chemical Company
- Rene Broos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isocyanate-terminated prepolymer and polyurethane foam prepared the...
- Patent number 5,114,989
- Issue date May 19, 1992
- The Dow Chemical Company
- Richard J. Elwell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Low emission polyurethane polymers made with autocatalytic polyols
- Publication number 20050020707
- Publication date Jan 27, 2005
- Simon Waddington
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Low emission polyurethane polymers made with autocatalytic polyols
- Publication number 20030100699
- Publication date May 29, 2003
- Simon Waddington
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...