Granted Patent
Utility
US 5,262,270 · App. 07/738,067
Photosensitive compositions and lithographic printing plates containing binary acetal polymers
Inventor:
John E. Walls
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jul 30, 1991
Inventor
John E. Walls
Assignee (at issue)
EASTMAN KODAK COMPANY
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.