Granted Patent
Utility
US 5,354,828 · App. 08/079,845
Higher .alpha.-olefin copolymer, process for preparing same, and vulcanizable rubber composition
Inventors:
Masaaki Kawasaki, Syuji Minami, Tetsuo Tojo, Keiji Okada
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Jun 22, 1993
Inventors
Masaaki Kawasaki
Syuji Minami
Tetsuo Tojo
Keiji Okada
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.