Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807934 | Method of removing foam during polymerization of vinyl chloride polymers | Yasuhiro Takahashi, Takashi Kobayashi, Hitoshi Nakajima, Genji Noguki | 1998-09-15 |
| 5783647 | 1,1,2,2-tetramethylpropylperoxy esters and method for preparing vinyl polymers | Takashi Kobayashi, Tadashi Amano, Hideshi Kurihara, Toshio Shinohara, Tohru Nishikawa | 1998-07-21 |
| 5763545 | Polymerization apparatus and a method for producing polymer using the same | Masatsugu Takano, Tadashi Amano, Yoshihiko Hirai | 1998-06-09 |
| 5739222 | Process for preparing vinyl chloride polymer under specified vapor pressure | Takashi Kobayashi, Tadashi Amano, Hideshi Kurihara, Tadaaki Kurokawa | 1998-04-14 |
| 5587437 | Process of producing vinyl chloride type polymer | Fumiaki Adachi, Tadashi Amano, Yoshihrio Shirota | 1996-12-24 |
| 5543175 | Method for forming a scale preventive coating film on inner wall surfaces of a polymerization vessel | Toshihiko Nakano, Tadashi Amano | 1996-08-06 |
| 4826940 | Method for suspension polymerization of vinyl chloride monomer | Tadashi Amano, Junichi Watanabe | 1989-05-02 |
| 4282348 | Method for removing unreacted monomer from the aqueous dispersion of polymerizate of vinyl chloride and apparatus therefor | Norinobu Wada | 1981-08-04 |