Granted Patent
Utility
US 6,388,040 · App. 09/421,329
Propylene/ethylene/&agr;-olefin terpolymers and processes for the production thereof
Inventors:
Hiroyuki Fujita, Jun Saito, Yoshitoyo Yasuda, Yoshiyuki Ohgi, Yasuhiro Shiraishi, Shinji Nakata, Tsutomu Ushioda, Mototake Tsutsui
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Oct 18, 1999
Inventors
Hiroyuki Fujita
Jun Saito
Yoshitoyo Yasuda
Yoshiyuki Ohgi
Yasuhiro Shiraishi
Shinji Nakata
Tsutomu Ushioda
Mototake Tsutsui
Assignee (at issue)
Chisso Corporation
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.