Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816553 | Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same | Richard Baur, Rolf Fikentscher, Alfred Oftring, Felix Richter, Wolfgang Trieselt +2 more | 1989-03-28 |
| 4705649 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Rudi Widder +1 more | 1987-11-10 |
| 4695397 | Granular bleaching activator | Karl Sommer, Robert Heinz, Albert Hettche, Werner Schuster, Wolfgang Trieselt | 1987-09-22 |
| 4695412 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Rudi Widder +1 more | 1987-09-22 |
| 4693848 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Rudi Widder +1 more | 1987-09-15 |
| 4647396 | Copolymers for detergents and cleaning agents | Walter Denzinger, Heinrich Hartmann, Albert Hettche, Ulrich Kaluza, Christos Vamvakaris | 1987-03-03 |
| 4621127 | Preparation of carboxyl-containing polymers | Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer | 1986-11-04 |
| 4588531 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Rudi Widder +1 more | 1986-05-13 |
| 4444561 | Copolymers which contain basic groups and are used as antiredeposition agents in washing and after-treating textile goods containing synthetic fibers | Walter Denzinger, Wolfgang Trieselt, Heinrich Hartmann | 1984-04-24 |
| 4280919 | Detergents and cleansers containing oxyalkylated alcohols as biodegradable, low-foam surfactants | Dieter Stoeckigt, Dieter Kiessling, Wolfgang Trieselt, Horst Trapp | 1981-07-28 |
| 4271031 | Color stabilized nonionic surfactants and alkaline cleanser formulations containing these surfactants | Knut Oppenlaender, Rainer Strickler, Wolfgang Trieselt | 1981-06-02 |
| 4267068 | Storage-stable, pourable silicate suspensions | Paul Diessel, Bernd Leutner, Hans-Ulrich Schlimper | 1981-05-12 |
| 4260724 | Preparation of polymaleic acids from maleic anhydride in the presence of acetic anhydride and of hydrogen peroxide | Karl Stork, Knut Oppenlaender | 1981-04-07 |
| 4239641 | Use of polyhydric alcohols, carboxylic acids, hydroxy-carboxylic acids and/or their esters with polyhydric alcohols as viscosity regulators | Paul Diessel, Dieter Stoeckigt, Franz Merger, Juergen Paetsch | 1980-12-16 |
| 4239552 | Machine dishwashing, using polyhydric alcohols, carboxylic acids and or esters of these as rinsing agents | Dieter Stoeckigt, Paul Diessel, Franz Merger, Juergen Paetsch | 1980-12-16 |
| 4207199 | Solid cold bleach activators for detergents and cleaning agents containing an active oxygen donor | Herbert Helfert | 1980-06-10 |
| 4206074 | Extremely low-foaming surfactant system | — | 1980-06-03 |
| 4200733 | Iodine-containing block copolymers of 1,4-butylene oxide and ethylene oxide | Norbert Greif, Rolf Fikentscher, Paul Diessel | 1980-04-29 |