Granted Patent
Utility
US 5,814,431 · App. 08/778,783
Photosensitive composition and lithographic printing plate
Inventors:
Hideki Nagasaka, Akihisa Murata, Toshiyuki Urano, Ryuichiro Takasaki
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Jan 6, 1997
Inventors
Hideki Nagasaka
Akihisa Murata
Toshiyuki Urano
Ryuichiro Takasaki
Assignee (at issue)
MITSUBISHI CHEMICAL 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.