Invention Grant
- Patent Title: Method for producing a polymerizable UV absorber
- Patent Title (中): 聚合性UV吸收剂的制造方法
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Application No.: US14763568Application Date: 2014-01-29
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Publication No.: US09593088B2Publication Date: 2017-03-14
- Inventor: Serguei Kostromine , Frauke Kühn
- Applicant: BAYER MATERIAL SCIENCE AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: Drinker Biddle & Reath LLP
- Priority: EP13153704 20130201; EP13165168 20130424
- International Application: PCT/EP2014/051722 WO 20140129
- International Announcement: WO2014/118233 WO 20140807
- Main IPC: C07D251/24
- IPC: C07D251/24 ; C08F2/48 ; C09D5/32 ; G02B5/20 ; G02B5/22
Abstract:
The present invention relates to a two-stage preparation process for an organic UV absorber that has a (meth)acrylate group in the molecule and which as a result is particularly suitable for curable UV protective coatings. One example of the preparation process is:
Public/Granted literature
- US20160002181A1 METHOD FOR PRODUCING A POLYMERIZABLE UV ABSORBER Public/Granted day:2016-01-07
Information query
