Granted Patent
Utility
US 5,773,559 · App. 08/594,521
Polyimide block copolymer and liquid crystal alignment layer forming agent
Inventors:
Tsuyoshi Miyamoto, Masayuki Kimura, Kazuhiro Eguchi, Yasuo Matsuki
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jan 31, 1996
Inventors
Tsuyoshi Miyamoto
Masayuki Kimura
Kazuhiro Eguchi
Yasuo Matsuki
Assignee (at issue)
Japan Synthetic Rubber Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.