Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816073 | Aqueous dispersions, a process for their preparation and the use of the dispersions as sizing agents | Ulla Helmer, Ulf Carlson | 1989-03-28 |
| 4743303 | Aqueous dispersions, a process for their preparation and the use of the dispersions as sizing agents | Ulla Helmer | 1988-05-10 |