Granted Patent
Utility
US 5,198,508 · App. 07/760,923
Resin compositions and molded articles
Inventors:
Hiroshi Ueda, Yoshio Yoshida, Hiroshi Inoue, Toshikazu Kaneda, Toshiaki Moriya, Tsutomu Kumazawa
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Sep 17, 1991
Inventors
Hiroshi Ueda
Yoshio Yoshida
Hiroshi Inoue
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.