Granted Patent
Utility
US 6,090,909 · App. 09/244,977
Uv-ray-dimerized high molecular compound, liquid crystal aligning film using above high molecular compound and liquid crystal display element using above aligning film
Inventors:
Takashi Kato, Nobuyuki Otsuka, Hideo Sato, Shizuo Murata
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 4, 1999
Inventors
Takashi Kato
Nobuyuki Otsuka
Hideo Sato
Shizuo Murata
Assignee (at issue)
Chisso 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.