Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630559 | Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition | Tetsunori Shinozaki, Kazumitsu Kawakita | 2003-10-07 |
| 6545099 | Propylene polymer and block copolymer | Tetsunori Shinozaki, Kazumitsu Kawakita | 2003-04-08 |
| 6537942 | Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer | Tetsunori Shinozaki | 2003-03-25 |
| 6521560 | Solid titanium catalyst component, process for preparing same, olefin polymerization catalyst containing same, and olefin polymerization process | Shinichi Kojoh | 2003-02-18 |