Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654394 | Fluorine-containing elastomer having excellent low temperature resistance and oil resistance | Shun-ichi Kodama, Gen Kojima | 1987-03-31 |
| 4631075 | Composite membrane for gas separation | Shigeyoshi Kobayashi, Noriyuki Yoshihara, Masaru Nakamura | 1986-12-23 |
| 4619983 | Copolymer for fluorine-containing elastomer having excellent low temperature resistance and alcohol resistance | Gen Kojima, Hiroshi Wachi, Shun-ichi Kodama | 1986-10-28 |
| 4508603 | Fluorinated cation exchange membrane and use thereof in electrolysis of an alkali metal halide | Hiroshi Ukihashi, Tatsuro Asawa, Haruhisa Miyake | 1985-04-02 |
| 4495364 | Process for producing fluorinated acid fluoride having ester group | Seiji Munekata | 1985-01-22 |
| 4487893 | Process for producing carboxyl group-containing fluoropolymer | Gen Kojima, Katsuyuki Akiyama | 1984-12-11 |
| 4439217 | Permselective element for gas separation | Katsuyuki Akiyama | 1984-03-27 |
| 4436772 | Anticorrosive coating process | Hiromichi Higaki, Toshio Shinohara, Hiroyuki Tanabe, Shunsuke Nakayama | 1984-03-13 |
| 4436773 | Anticorrosive coating process | Hiromichi Higaki, Toshio Shinohara, Hiroyuki Tanabe, Shunsuke Nakayama | 1984-03-13 |
| 4418186 | Copolymer for fluorine-containing elastomer having excellent low temperature resistance and alcohol resistance | Gen Kojima, Hiroshi Wachi, Shun-ichi Kodama | 1983-11-29 |
| 4412054 | Antithrombogenic polyurethanes based on fluorinated prepolymers | Masao Kato, Teruo Takakura | 1983-10-25 |
| 4379768 | Process for producing perfluorosuccinyl fluoride | Seiji Munekata, Seisaku Kumai, Isamu Kaneko | 1983-04-12 |
| 4368308 | Fluorine-containing elastomer having excellent low temperature resistance and oil resistance | Shun-ichi Kodama, Gen Kojima | 1983-01-11 |
| 4362672 | Process for producing difluorohaloacetyl fluoride | Seiji Munekata, Shunichi Samejima | 1982-12-07 |
| 4345057 | Curable fluorocopolymer | Gen Kojima, Seitoku Kaya | 1982-08-17 |
| 4340680 | Cation exchange membrane of fluorinated polymer for an electrolysis | Tatsuro Asawa, Haruhisa Miyake | 1982-07-20 |
| 4340750 | Process for producing fluorovinyl ether | Seisaku Kumai, Seiji Munekata | 1982-07-20 |
| 4318867 | Process for producing difluoroiodoacetyl fluoride | Seiji Munekata, Seisaku Kumai | 1982-03-09 |
| 4277586 | Process for preparing a propylene-tetrafluoroethylene copolymer | Hiroshi Ukihashi, Hiroaki Kojima | 1981-07-07 |
| 4277565 | Macromolecular adsorbent containing pendant difluoroalkyl phosphate groups for adsorbing heavy metal ions | Yoshio Oda, Masao Kato | 1981-07-07 |
| 4275226 | Process for producing fluorovinyl ether | Seisaku Kumai, Seiji Munekata | 1981-06-23 |
| 4209635 | Process for producing perfluorinated vinyl ether having ester group | Seiji Munekata, Hiroshi Ukihashi, Isamu Kaneko | 1980-06-24 |