Thomas M. Chapman

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Downingtown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for enhancing thermal expandability of direct-injection foams
- Patent number RE34123
- Issue date Nov 10, 1992
- Arco Chemical Technology, L.P.
- Peter S. Francis
- 264 - Plastic and nonmetallic article shaping or treating: processes
Information Patent Grant
Method for enhancing thermal expandability of direct-injection foams
- Patent number 4,925,606
- Issue date May 15, 1990
- ARCO Chemical Technology, Inc.
- Peter S. Francis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...