Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272235 | Cycloolefin random copolymer and process for preparing same | Kenji Wakatsuru, Takehiko Kawate, Toshihiro Sagane, Shuji Minami, Masayuki Okabe +2 more | 1993-12-21 |
| 5270444 | Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof | Yasuhiro Tanaka, Masayuki Sakai | 1993-12-14 |
| 5256363 | Polyethylene terephthalate and uses thereof | Mikio Hashimoto, Hiroji Niimi, Tadao Yatsu | 1993-10-26 |
| 5241046 | Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof | Yasuhiro Tanaka, Masayuki Sakai | 1993-08-31 |
| 5166420 | Process for the production of high purity terephthalic acid | Kenichi Mizuno | 1992-11-24 |
| 4827025 | Process for the production of aromatic carboxylic acids | Kenichi Mizuno | 1989-05-02 |
| 4383093 | Tubular polymerization reactor, and process for polymerization | Saiji Nakano | 1983-05-10 |
| 4243636 | Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds | Ryoichi Yamamoto | 1981-01-06 |
| 4241220 | Process for producing terephthalic acid | Shikiho Itaya, Takenori Nagaoka, Teruo Itoh, Yukimasa Shigemura | 1980-12-23 |
| 4212995 | Process for treatment by liquid cyclone for production of terephthalic acid suspension having reduced impurity content | — | 1980-07-15 |