Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455646 | Polymerization of vinyl chloride with hydroxycarboxylic acids, inhibitors and Fe ions | Masahiro Usuki, Minoru Shigemitsu | 2002-09-24 |
| 6448372 | Process for producing vinyl chloride polymer with low residual monomer | Takashi Kobayashi, Ryuichi Saito, Yoshinori Nakahara, Ichiro Hara | 2002-09-10 |
| 6433074 | Process for producing vinyl chloride polymer | Makoto Ooura | 2002-08-13 |
| 6355743 | Process for producing vinyl chloride polymer in the presence of a chelating agent | Makoto Ooura, Kaname Inoue, Masakuni Yamamoto | 2002-03-12 |
| 6339132 | Process for regenerating unreacted vinyl chloride monomers recovered | Takashi Kobayashi, Fumiaki Adachi, Fujio Sato | 2002-01-15 |