Granted Patent
Utility
US 6,417,294 · App. 08/767,880
Films and molded articles formed from aliphatic polyester compositions containing nucleating agents
Inventors:
Shoji Obuchi, Tatsuya Kawaguchi, Tomoyuki Nakata, Takayuki Watanabe, Yasuhiro Kitahara, Kazuhiko Suzuki, Masanobu Ajioka
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Dec 17, 1996
Inventors
Shoji Obuchi
Tatsuya Kawaguchi
Tomoyuki Nakata
Takayuki Watanabe
Yasuhiro Kitahara
Kazuhiko Suzuki
Masanobu Ajioka
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.