Granted Patent
Utility
US 5,952,426 · App. 08/075,857
Method for preparing molded articles of cross-linked polyolefin
Inventors:
Tadashi Asanuma, Kazuhiko Yamamoto, Kaoru Kawanishi
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Jun 11, 1993
Inventors
Tadashi Asanuma
Kazuhiko Yamamoto
Kaoru Kawanishi
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.