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L'Arbresle, FR
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last 30 patents
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Patent Grant
Process for the preparation of resins with a primary amine or guani...
Patent number
5,973,080
Issue date
Oct 26, 1999
Elf Aquitaine Production
Pierre Le Perchec
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resins with a primary amine or guanidine function
Patent number
5,817,716
Issue date
Oct 6, 1998
Elf Aquitaine Production
Pierre Le Perchec
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of resins with a primary amine or guani...
Patent number
5,726,253
Issue date
Mar 10, 1998
Elf Aquitaine Production
Pierre Le Perchec
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...