Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883838 | Soluble acrylate copolymer containing carboxyl groups, processes for its preparation and coating agents based on the acrylate copolymer | Axel Sievers | 1989-11-28 |
| 4880889 | Hydroxylic acrylate copolymer process for its preparation, and coating agent based on the acrylate | Christoph Klesse, Axel Sievers | 1989-11-14 |
| 4839448 | Soluble acrylate copolymer containing carboxyl groups, processes for its preparation and coating agents based on the acrylate copolymer | Axel Sievers | 1989-06-13 |