David A. Pears

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Grindlaan, NL

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Patents Grantslast 30 patents

Information Patent Grant
Production of polyurethane polymers, the polymers so produced, and...
- Patent number 5,147,925
- Issue date Sep 15, 1992
- Imperial Chemical Industries PLC
- David A. Pears
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...