Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851557 | Copper-containing polymers, a process for their preparation and their use as fungicides | Guenter Claus | 1989-07-25 |
| 4828766 | Process for the preparation of vinyldiphosphonic acid and salts thereof | Werner Ehret | 1989-05-09 |
| 4780293 | Process for the production of Maddrell's salt | Alexander Maurer, Albert Erasmus, Wilhelm Spatz | 1988-10-25 |
| 4775385 | Process for dyeing leathers, water-soluble cationic polymers suitable for that purpose, and process for their preparation | Rudolf Schmidt, Fritz Wahl | 1988-10-04 |