Paul N. Hemmings

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Bristol, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rosin ester derivative as surfactants
- Patent number 5,552,519
- Issue date Sep 3, 1996
- EKA Nobel, AB
- Paul N. Hemmings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...