Granted Patent
Utility
US 5,013,867 · App. 07/491,195
Liquid oxidatively modified ethylenic random copolymer, process of making and use
Inventors:
Tatsuo Kinoshita, Shuji Minami, Kinya Mizui, Ryousuke Kaneshige
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Mar 9, 1990
Inventors
Tatsuo Kinoshita
Shuji Minami
Kinya Mizui
Ryousuke Kaneshige
Assignee (at issue)
Mitsui Petrochemical Industries, 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.