Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250124 | Organic phosphorus compounds possessing 3-hydroxyalkylphosphinic acid ester groups | Walter Dursch, Hans-Jerg Kleiner | 1981-02-10 |
| 4244893 | Polyphosphorus compounds obtained by reacting an alcohol, phosphorus anhydride and an oxalkylating agent | Walter Dursch, Hans-Jerg Kleiner | 1981-01-13 |
| 4220610 | Organic phosphorus compounds with 2-hydroxyalkyl-phosphonic acid groups | Walter Dursch | 1980-09-02 |
| 4196141 | Bisphosphinic acid anhydrides and process for their preparation | Hans-Jerg Kleiner, Walter Dursch | 1980-04-01 |