Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818440 | Novel polyether carboxylic acid derivatives, as well as their uses | Werner Schafer, Rolf Schafer, Doris Schafer, Jacob K. Smid | 1989-04-04 |
| 4242215 | Substantially environmental-pollution-free laundry detergent composition | Jacob K. Smid | 1980-12-30 |
| 4188311 | Detergent compositions containing ether sulfates | Nicolaas I. Van Paassen | 1980-02-12 |