Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582941 | Process for producing squaric acid | Gunther Maahs | 1986-04-15 |
| 4537924 | Quadratic acid amide derivatives, their use as stabilizers, and synthetic resins treated therewith | Gunther Maahs, Wolfgang Schafer | 1985-08-27 |
| 4469829 | Amino-group bearing, low molecular weight 1,3-butadiene polymer for stabilizing plastics | Alfred Konietzny, Hans-Dieter Zagefka, Hanns-Jorg Bax | 1984-09-04 |
| 4297505 | Process for the preparation of pentachloro-3-butenoic acid esters | Gunther Maahs | 1981-10-27 |
| 4272633 | Process for the manufacture of tetrachlorocyclobutenone from hexachlorocyclobutene | Gunther Maahs | 1981-06-09 |
| 4245113 | Process for the manufacture of 2,3,4,4-tetrachloro-3-butenoic acid esters | Gunther Maahs | 1981-01-13 |
| 4181790 | Copolymerization of ethylene employing an organic chlorine compound-activated Ziegler-Natta catalyst | Gunther Maahs, Wolfgang Zaar | 1980-01-01 |