Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911236 | Alkoxylated alkanolamide together with an ionic surfactant as friction-reducing agent | Martin Hellsten, Ian Harwigsson | 1999-06-15 |
| 5240994 | Solid surface coated with a hydrophilic biopolymer-repellent outer layer and method of making such a surface | Eva Osterberg, Krister Holmberg | 1993-08-31 |