Issued Patents 1997
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703180 | Catalyst for olefin polymerization, process for olefin polymerization using the same, ethylene/.alpha.-olefin copolymer, graft modified ethylene/.alpha.-olefin copolymer, and ethylene copolymer composition | Ken Yoshitsugu, Mamoru Takahashi, Akira Todo | 1997-12-30 |
| 5700750 | Process for polymerization of alpha-olefins | Akinori Toyota, Norio Kashiwa | 1997-12-23 |
| 5700749 | Process for polymerizing olefins | Akinori Toyota, Norio Kashiwa | 1997-12-23 |
| 5698751 | Branched polyene compounds and production thereof | Tatsuyoshi Ishida, Masaaki Yasuda, Hitoshi Ohnishi, Noriaki Kihara, Toshihiro Sagane | 1997-12-16 |
| 5698651 | Ethylene copolymer rubber, vulcanizable rubber composition containing the copolymer rubber, and process for preparing the copolymer rubber | Masaaki Kawasaki, Tetsuo Tojo, Takashi Hakuta | 1997-12-16 |
| 5696214 | Process for preparing ethylene-.alpha.-olefin-nonconjugated polyene random copolymer | Toshihiro Sagane, Masaaki Kawasaki, Keiji Okada, Hidenari Nakahama, Tetsuo Tojo | 1997-12-09 |
| 5677408 | Propylene elastomer and process for preparation thereof | Takashi Ueda, Akira Mizuno, Masaaki Kawasaki, Daisuke Fukuoka, Yoshihisa Kiso +3 more | 1997-10-14 |
| 5674945 | Ethylene copolymer composition | Mamoru Takahashi, Akira Todo, Seiichi Ikeyama, Shinya Matsunaga, Norio Kaneshige | 1997-10-07 |
| 5663236 | Ethylene copolymer composition | Mamoru Takahashi, Seiichi Ikeyama, Akira Todo | 1997-09-02 |
| 5654248 | Catalyst for polymerizing alpha-olefins and process for polymerization | Mamoru Kioka, Akinori Toyota, Norio Kashiwa | 1997-08-05 |
| 5641843 | Process for polymerization of alpha-olefins | Akinori Toyota, Norio Kashiwa | 1997-06-24 |
| 5639842 | Ethylene random copolymers | Ken Yoshitsugu, Akinori Toyota | 1997-06-17 |
| 5610254 | Ethylene-.alpha.-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymer | Toshihiro Sagane, Masaaki Kawasaki, Keiji Okada, Tetsuo Tojo, Tatsuya Tanizaki | 1997-03-11 |
| 5605969 | Method for the preparation of ethylene polymer composition | Takashi Ueda | 1997-02-25 |
| 5594071 | Ethylene copolymer composition | Mamoru Takahashi, Akira Todo, Seiichi Ikeyama, Shinya Matsunaga, Norio Kaneshige | 1997-01-14 |