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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of bitumen-polymer compositions, applic...
- Patent number 5,874,492
- Issue date Feb 23, 1999
- Koch Material Company
- Jean-Pascal Planche
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of bitumen-polymer compositions, applic...
- Patent number 5,605,946
- Issue date Feb 25, 1997
- Koch Materials Company
- Jean-Pascal Planche
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...