Granted Patent
Utility
US 6,200,727 · App. 09/244,206
Positive photosensitive composition, positive photosensitive lithographic printing plate and method for forming a positive image
Inventors:
Toshiyuki Urano, Akihisa Murata, Etsuko Hino
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Feb 4, 1999
Inventors
Toshiyuki Urano
Akihisa Murata
Etsuko Hino
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.