Granted Patent
Utility
US 5,607,817 · App. 08/292,755
Photopolymerizable composition
Inventors:
Hideki Nagasaka, Masaaki Tsuchiyama, Toshiyuki Urano
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Aug 18, 1994
Inventors
Hideki Nagasaka
Masaaki Tsuchiyama
Toshiyuki Urano
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.