Granted Patent
Utility
US 5,292,845 · App. 08/006,986
Ethylene/alpha-olefin/7-methyl-1,6-octadiene copolymer rubber and composition of the same
Inventors:
Masaaki Kawasaki, Toshimasa Takata, Mitsuhiko Onda, Hidenari Nakahama, Kiyoshi Honma
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jan 21, 1993
Inventors
Masaaki Kawasaki
Toshimasa Takata
Mitsuhiko Onda
Hidenari Nakahama
Kiyoshi Honma
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.