Invention Grant
- Patent Title: Method for producing polyisocyanates and use thereof
- Patent Title (中): 多异氰酸酯的制造方法及其用途
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Application No.: US14359125Application Date: 2012-11-27
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Publication No.: US09440937B2Publication Date: 2016-09-13
- Inventor: Frank Richter , Martin Brahm
- Applicant: Bayer Intellectual Property GmbH
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: Drinker Biddle & Reath LLP
- Priority: DE102011087371 20111129
- International Application: PCT/EP2012/073726 WO 20121127
- International Announcement: WO2013/079481 WO 20130606
- Main IPC: C07D273/04
- IPC: C07D273/04 ; C07C263/00 ; C08G18/16 ; C08G18/78 ; C08G18/79 ; C08G18/02 ; C08G18/09
Abstract:
The invention relates to a method for modifying isocyanates using catalysts having a water content not exceeding 1,000 ppm.
Public/Granted literature
- US20140275525A1 METHOD FOR PRODUCING POLYISOCYANATES AND USE THEREOF Public/Granted day:2014-09-18
Information query
