Invention Grant
- Patent Title: Synthesis of urethanes and polyurethanes catalysed by carbenes
- Patent Title (中): 由卡宾催化的聚氨酯和聚氨酯的合成
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Application No.: US12670298Application Date: 2008-07-25
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Publication No.: US08759469B2Publication Date: 2014-06-24
- Inventor: Gerard Mignani , Mathias Destarac , Daniel Taton , Yves Gnanou , Antoine Baceiredo , Tsuyoshi Kato , Fabien Bonnette , Gopakumar Sivasankarapillai
- Applicant: Gerard Mignani , Mathias Destarac , Daniel Taton , Yves Gnanou , Antoine Baceiredo , Tsuyoshi Kato , Fabien Bonnette , Gopakumar Sivasankarapillai
- Applicant Address: FR Saint Priest FR Paris
- Assignee: Vencorex Frence,Centre National de la Recherche Scientifique (C.N.R.S)
- Current Assignee: Vencorex Frence,Centre National de la Recherche Scientifique (C.N.R.S)
- Current Assignee Address: FR Saint Priest FR Paris
- Agency: Eckert Seamans Cherin & Mellott, LLC
- Agent Michael B. Fein, Esq.
- Priority: FR0756727 20070725
- International Application: PCT/FR2008/051403 WO 20080725
- International Announcement: WO2009/016322 WO 20090205
- Main IPC: C08G18/08
- IPC: C08G18/08 ; C08G18/18
Abstract:
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.
Public/Granted literature
- US20110046301A1 SYNTHESIS OF URETHANES AND POLYURETHANES CATALYSED BY CARBENES Public/Granted day:2011-02-24
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