Synthesis of urethanes and polyurethanes catalysed by carbenes

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United States of America Patent

PATENT NO 8759469
APP PUB NO 20110046301A1
SERIAL NO

12670298

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Abstract

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The present invention relates to a process for preparing a compound comprising at least a urethane group —HN—C(═O)—O, said process comprising a step (E) in which a compound (I) comprising at least an isocyanate functional group —N═C═O is reacted with an organic compound (II) carrying at least a hydroxyl group —OH, said reaction being carried out in a presence of a carbene (III) used as a catalyst.

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Patent Owner(s)

Patent OwnerAddress
PERSTORP FRANCETHE FRENCH SAINT PRIEST SAINT-PRIEST RHONE
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C N R S)3 RUE MICHEL ANGE PARIS 75016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baceiredo, Antoine Toulouse, FR 7 21
Bonnette, Fabien Ennezat, FR 14 6
Destarac, Mathias Paris, FR 60 614
Gnanou, Yves Talence, FR 31 192
Kato, Tsuyoshi Toulouse, FR 161 1036
Mignani, Gerard Lyons, FR 80 399
Sivasankarapillai, Gopakumar Pullman, US 4 22
Taton, Daniel Camarsac, FR 9 76

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