Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307040 | Process for producing phosphonomaleic acid esters | Hans-Dieter Block, Friedrich Schwochow | 1981-12-22 |
| 4234694 | Addition compounds which contain phosphorus and their use as catalysts for the production of foam resins which contain carbodiimide groups | Andrea La Spina, Werner Dietrich | 1980-11-18 |
| 4212832 | Production of high viscosity phosphoric and phosphonic acid aryl esters | Karl-Heinz Mitschke | 1980-07-15 |