Jeffrey D. Umpleby

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Ferney-Voltaire, FR

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Patents Grantslast 30 patents

Information Patent Grant
Polymer composition
- Patent number 4,795,786
- Issue date Jan 3, 1989
- BP Chemicals Limited
- Jeffrey D. Umpleby
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition
- Patent number 4,753,992
- Issue date Jun 28, 1988
- BP Chemicals Limited
- Jeffrey D. Umpleby
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition
- Patent number 4,707,517
- Issue date Nov 17, 1987
- BP Chemicals Limited
- David J. Bullen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition
- Patent number 4,574,133
- Issue date Mar 4, 1986
- BP Chemicals Limited
- Jeffrey D. Umpleby
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...