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Frédéric Dallemer
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Lyons, FR
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last 30 patents
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Patent Grant
Condensation polymerization method for isocyanates
Patent number
6,653,432
Issue date
Nov 25, 2003
Rhodia Chimie
Frédéric Dallemer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Method for obtaining slightly colored branched polyisocyanate(s), a...
Patent number
6,642,382
Issue date
Nov 4, 2003
Rhodia Chimie
Jean-Marie Bernard
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for hemihydrogenating dinitriles to form aminonitriles
Patent number
6,635,781
Issue date
Oct 21, 2003
Rhodia Polyamide Intermediates
Frédéric Dallemer
C07 - ORGANIC CHEMISTRY