Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476323 | Surface-active quaternary ammonium compounds for treatment of textiles and cellulosic materials | Karl M. E. Hellsten, Jan Emanuelsson, Svante Wåhlen | 1984-10-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476323 | Surface-active quaternary ammonium compounds for treatment of textiles and cellulosic materials | Karl M. E. Hellsten, Jan Emanuelsson, Svante Wåhlen | 1984-10-09 |