Invention Grant
US08835522B2 Polyurethane polymer having bisphenol group and photoimageable composition containing the same
有权
具有双酚基的聚氨酯聚合物和含有它们的可光成像组合物
- Patent Title: Polyurethane polymer having bisphenol group and photoimageable composition containing the same
- Patent Title (中): 具有双酚基的聚氨酯聚合物和含有它们的可光成像组合物
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Application No.: US11728500Application Date: 2007-03-26
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Publication No.: US08835522B2Publication Date: 2014-09-16
- Inventor: Gerng-Horng Lin , Hui-Kuan Mao , Ming-Hsiung Yang , Feng-Chih Tsai
- Applicant: Gerng-Horng Lin , Hui-Kuan Mao , Ming-Hsiung Yang , Feng-Chih Tsai
- Applicant Address: TW
- Assignee: Eternal Chemical Co., Ltd.
- Current Assignee: Eternal Chemical Co., Ltd.
- Current Assignee Address: TW
- Agency: Drinker Biddle & Reath LLP
- Priority: TW95110595A 20060327
- Main IPC: C08G18/67
- IPC: C08G18/67 ; C08G18/73 ; C09D175/16 ; C08G18/32
Abstract:
The present invention provides a polymer having the structure of formula (I) wherein n, R1, R2, R3, R4, R5, R6, a, b and c are as defined in the specification. The present invention also provides a negative-acting photoimageable composition comprising the above-mentioned polymer of formula (I), which is suitable for the fabrication of printed circuit boards.
Public/Granted literature
- US20070225467A1 Polyurethane polymer having bisphenol group and photoimageable composition containing the same Public/Granted day:2007-09-27
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