Ray D. Ramsay

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyethylene terephthalate compositions with arylene sulfide random...
- Patent number 5,194,506
- Issue date Mar 16, 1993
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...