Granted Patent
Utility
US 6,824,947 · App. 10/370,385
Photosensitive composition comprising a phenol resin having a urea bond in the main chain
Inventors:
Yasuhiro Ishizuka, Yasuhiko Kojima
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Feb 19, 2003
Inventors
Yasuhiro Ishizuka
Yasuhiko Kojima
Assignee (at issue)
Kodak Polychrome Graphics Company Ltd.
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.