IP Library Granted Patent US 6,300,415
Granted Patent Utility
US 6,300,415 · App. 09/068,949

Propylene composition, process for preparing the same, polypropylene composition, and molded articles

Inventors: Chikashi Okayama, Takanori Nakashima, Masami Kimura, Mayumi Wakata, Kazuhiro Kimura, Toshiki Yamamoto, Hirohisa Ishii, Masataka Sugimoto, Kunio Gouda, Yasuhiro Mochizuki, Noriaki Saito, Junichiro Yokota, Shouji Kawano, Yasuhiko Nakagawa
Patented Case View Patent ↗
Granted: Oct 9, 2001 Filed: Aug 14, 1998
Inventors
Chikashi Okayama
Takanori Nakashima
Masami Kimura
Mayumi Wakata
Kazuhiro Kimura
Toshiki Yamamoto
Hirohisa Ishii
Masataka Sugimoto
Kunio Gouda
Yasuhiro Mochizuki
Noriaki Saito
Junichiro Yokota
Shouji Kawano
Yasuhiko Nakagawa
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,300,415
App. No.
09/068,949
Filed
1998-08-14
Granted
2001-10-09
Kind
A