Granted Patent
Utility
US 5,334,670 · App. 08/167,072
Elastomer and process for production thereof
Inventors:
Yuji Uchida, Yoshio Yoshida, Toshikazu Kaneda, Toshiaki Moriya, Tsutomu Kumazawa
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Dec 15, 1993
Inventors
Yuji Uchida
Yoshio Yoshida
Toshikazu Kaneda
Toshiaki Moriya
Tsutomu Kumazawa
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.