Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308448 | Process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups | Rainer Hoefer, Klaus Hornfeck, Wolfgang von Rybinski | 1994-05-03 |
| 5294726 | Process for the preparation of light-colored oleic acid sulfonates | Hermann Anzinger, Michael Vogt | 1994-03-15 |
| 5250076 | Use of monocarboxylic-acid polyoxyalkylester sulfonates as low-foam textile conditioning agent | Bernd Fabry, Bernd Wahle, Hildegard von Delden | 1993-10-05 |
| 5164124 | Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C.sub.16 -C.sub.22 fatty acids, a process for their production and their use as alkoxylation catalysts | Fritz Lange, Bert Gruber, Alfred Meffert | 1992-11-17 |
| 5072015 | Carbonic acid fatty alcohol ester sulfonates, a process for their production and surface-active agents containing them | Bernd Fabry, Alfred Westfechtel, Horst Eierdanz | 1991-12-10 |
| 5034159 | Aqueous surfactant solutions thickened with an adduct of ethylene oxide or propylene oxide and a C.sub.8 -C.sub.22 fatty alcohol | Holger Tesmann, Hermann Hensen, Wolfgang Hochschon, Uwe Ploog | 1991-07-23 |
| 5002683 | Use of mixtures containing (A) alkali, ammonium and/or amine salts of sulfonated unsaturated fatty acids and (B) alkoxylated alkyl and/or alkenyl alcohols and/or sulfosuccinic acid esters as wetting agents | — | 1991-03-26 |
| 4996364 | Use of alkaline earth salts of polycarboxylic acid monoesters as alkoxylation catalysts | Uwe Ploog | 1991-02-26 |
| 4936551 | Fatty acid polyoxyalkyl ester sulfonates, a process for their production and their use as surfactants | Robert Piorr, Michael Schaefer | 1990-06-26 |
| 4894485 | Alkaline earth metal salts of ether carboxylic acids as alkoxylation catalysts | Uwe Ploog, Elvira Scholz | 1990-01-16 |