Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761092 | Method for corrosion-protective and cleaning pretreatment of metallic components | Jerzy-Tadeusz Wawrzyniak, Nils Bongartz, Dalija Ehmann | 2023-09-19 |
| 6060122 | Corrosion protective cleaning agent for tin-plated steel | — | 2000-05-09 |
| 5935348 | Composition and process for preventing corrosion and reducing friction on metallic surfaces | — | 1999-08-10 |
| 5584944 | Aqueous lubricant and surface conditioner for formed metal surfaces | James P. Bershas, Timm L. Kelly, Gary L. Rochfort | 1996-12-17 |
| 5576425 | Process for the direct production of alkyl glycosides | Karlheinz Hill, Manfred Biermann, Rainer Eskuchen, Willi Wuest, Josef Wollmann +5 more | 1996-11-19 |
| 5476601 | Aqueous lubricant and surface conditioner for formed metal surfaces | James P. Bershas, Timm L. Kelly, Gary L. Rochfort | 1995-12-19 |
| 5318726 | Derivative of aminosuccinic acid as a complexing agent | Helmut Blum, Josef Steber, Hans-Juergen Riebe | 1994-06-07 |