Granted Patent
Utility
US 5,004,787 · App. 07/195,908
Vulcanizable rubber composition with triazine thiols
Inventors:
Tetsuo Tojo, Keiji Okada, Takashi Nakahara, Yoshiharu Kikuchi
Patented Case
View Patent ↗
Granted: Apr 2, 1991
Filed: May 19, 1988
Inventors
Tetsuo Tojo
Keiji Okada
Takashi Nakahara
Yoshiharu Kikuchi
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.