Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688309 | Water and oil repellent composition, treating method therewith and copolymer | Toyomichi Shimada, Yuichi Ohmori | 1997-11-18 |
| 5646222 | Polyfluorohydrocarbon group-containing monomers, their polymers and applications of the polymers | Ryoko Osawa, Satoshi Kamata, Seisaku Kumai | 1997-07-08 |