发明授权
- 专利标题: Process for producing isocyanates
- 专利标题(中): 异氰酸酯的制备方法
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申请号: US13638817申请日: 2011-04-04
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公开(公告)号: US09006480B2公开(公告)日: 2015-04-14
- 发明人: Wolf Steiger , Peter Bissinger
- 申请人: Wolf Steiger , Peter Bissinger
- 申请人地址: US MN Saint Paul
- 专利权人: 3M Innovative Properties Company
- 当前专利权人: 3M Innovative Properties Company
- 当前专利权人地址: US MN Saint Paul
- 代理机构: 3M Innovative Properties Company
- 代理商 Qiang Han
- 优先权: EP10159888 20100414
- 国际申请: PCT/US2011/031061 WO 20110404
- 国际公布: WO2011/130032 WO 20111020
- 主分类号: C07C263/00
- IPC分类号: C07C263/00 ; C07C69/52 ; C07C265/00 ; C07C267/00 ; C07C291/00 ; C07C263/08
摘要:
The invention relates a process for producing isocyanates comprising the steps of a) providing an azolide and optionally a solvent, and b) adding an acid at a temperature below about 40 C. The invention also relates to the isocyanate obtainable by such a process.
公开/授权文献
- US20130023694A1 PROCESS FOR PRODUCING ISOCYANATES 公开/授权日:2013-01-24
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