Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360857 | Polymer scale preventive agent from naphthoquinone dye | Susumu Ueno, Mikio Watanabe, Masahiro Usuki, Toshihiko Nakano | 1994-11-01 |
| 5354817 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition and process for preparation of polymer | Masahiro Usuki, Susumu Ueno, Mikio Watanabe, Richard W. Armentrout, Thomas J. Pollock | 1994-10-11 |
| 5292836 | Preparation of vinyl chloride polymers using high-speed and low-speed shear agitation | Ichiro Kaneko | 1994-03-08 |
| 5282680 | Apparatus for continuous polymerization | Tadashi Amano, Shuji Ohnishi, Minoru Shigemitsu, Yasuhiro Takahashi | 1994-02-01 |