Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688309 | Water and oil repellent composition, treating method therewith and copolymer | Toyomichi Shimada, Takashige Maekawa | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688309 | Water and oil repellent composition, treating method therewith and copolymer | Toyomichi Shimada, Takashige Maekawa | 1997-11-18 |