Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414032 | Anti-flooding agent for paints and plasters | Walter Schrattenholz, Eckhard Hilgenfeldt | 1983-11-08 |
| 4401473 | Use of dimethylphosphinylalkanephosphonic acid as a setting retarder in gypsum | Hans-Jerg Kleiner, Gerhard Debus | 1983-08-30 |
| 4355074 | Bonding sheet-like material to a substrate from which it can be dry-stripped | Hermann Stemmler | 1982-10-19 |
| 4332746 | Diphosphonodicarboxylic acid esters | Horst-Dieter Thamm, Werner Sommer, Gerhard Weckler | 1982-06-01 |
| 4283229 | Process for the preparation and use of stable cellulose ether suspensions | Friedrich Girg | 1981-08-11 |
| 4265674 | Additive for concrete or mortar and the use thereof | Gerhard Debus, Friedrich Girg | 1981-05-05 |
| 4260422 | Novel phosphonocarboxylic acid compounds | Horst-Dieter Thamm, Werner Sommer, Gerhard Weckler | 1981-04-07 |