Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10118978 | Vinyl alcohol polymer and production method thereof, additive for drilling mud, drilling mud, additive for drilling cement slurry, and drilling cement slurry | Yasutomo Saito | 2018-11-06 |
| 9951161 | Vinyl alcohol copolymer and method for producing same | Tatsuya Tanida | 2018-04-24 |
| 9914791 | Dispersing agent for suspension polymerization of vinyl compound | Takeshi Kusudou, Shunsuke Fujioka | 2018-03-13 |
| 9873984 | Composite paper having oil resistance | Masako Kawagoe | 2018-01-23 |