Granted Patent
Utility
US 4,985,513 · App. 07/336,112
Conjugated diene copolymer, process for producing the same, and photosensitive resin composition comprising the same
Inventors:
Shin-ichiro Iwanaga, Tatsuaki Matsunaga, Ituo Nishiwaki, Hiroji Enyo
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Apr 11, 1989
Inventors
Shin-ichiro Iwanaga
Tatsuaki Matsunaga
Ituo Nishiwaki
Hiroji Enyo
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.