Title:
２，２’，３，３’−ビフェニルテトラカルボン酸二無水物粉末の精製方法、粉末、及びそれを用いたポリイミド
Document Type and Number:
Japanese Patent JP5903788
Kind Code:
B2
Inventors:
Ryoichi Takazawa
Takuya Oka
Nakagawa Miharu
Yukinori Obama
Takuya Oka
Nakagawa Miharu
Yukinori Obama
Application Number:
JP2011159850A
Publication Date:
April 13, 2016
Filing Date:
July 21, 2011
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
C08G73/10; C07C51/43; C07C51/47; C07C63/331
Domestic Patent References:
| JP2000053767A | ||||
| JP2006045198A | ||||
| JP2004196687A |
Attorney, Agent or Firm:
Katsuhiro Ito
Akiko Ono
Akiko Ono