IP Library Granted Patent US 6,620,339
Granted Patent Utility
US 6,620,339 · App. 09/581,852

Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element

Inventors: Itsuo Shimizu, Kumiko Hara, Haruo Kato, Satoshi Tanioka, Shizuo Murata
Patented Case View Patent ↗
Granted: Sep 16, 2003 Filed: Jun 19, 2000
Inventors
Itsuo Shimizu
Kumiko Hara
Haruo Kato
Satoshi Tanioka
Shizuo Murata
Assignee (at issue)
Chisso Corporation

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Quick Facts
Patent No.
US 6,620,339
App. No.
09/581,852
Filed
2000-06-19
Granted
2003-09-16
Kind
B1