Granted Patent
Utility
US 5,731,129 · App. 08/598,619
Photosensitive resin composition comprising a carboxyl group-containing diene copolymer and a hydrogenated diene block polymer
Inventors:
Katsuo Koshimura, Takayoshi Tanabe, Hozumi Sato, Noboru Oshima, Takashi Nishioka, Yoshiharu Hashiguchi
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Feb 12, 1996
Inventors
Katsuo Koshimura
Takayoshi Tanabe
Hozumi Sato
Noboru Oshima
Takashi Nishioka
Yoshiharu Hashiguchi
Assignee (at issue)
Japan Synthetic Rubber 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.