Jean Bertrand

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Lamorlaye, FR

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Patents Grantslast 30 patents

Information Patent Grant
Modified crude toluene diisocyanate to obtain polyurethane with an...
- Patent number 4,429,098
- Issue date Jan 31, 1984
- Produits Chimiques Ugine Kuhlmann
- Jean Bertrand
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...