Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897215 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Ekhard Winkler, Paul Diessel, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4897220 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Ekhard Winkler, Paul Diessel, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4827014 | 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same | Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler +1 more | 1989-05-02 |
| 4816553 | Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same | Rolf Fikentscher, Alfred Oftring, Felix Richter, Wolfgang Trieselt, Paul Diessel +2 more | 1989-03-28 |
| 4814102 | Detergents containing oxyalkylated, carboxyl-containing polymers | Walter Denzinger, Albrecht Eckell, Heinrich Hartmann, Josef Mueller, Hans-Juergen Raubenheimer +1 more | 1989-03-21 |
| 4814394 | Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers | Klaus Barthold, Knut Oppenlaender, Juergen Lasowski | 1989-03-21 |
| 4801734 | Amphiphilic 4-alkoxypolyethoxybenzoates, their preparation and their use | Hans-Jakob Kock, Ekhard Winkler, Heino Finkelmann, Markus Schafheutle | 1989-01-31 |
| 4705834 | Crosslinked oxyalkylated polyalkylenepolyamines | Knut Oppenlaender, Klaus Barthold | 1987-11-10 |
| 4546151 | Oxyalkylated polyamidoamines and their preparation | Knut Oppenlander, Rainer Strickler, Klaus Barthold | 1985-10-08 |
| 4396756 | Aldehyde condensate tackifiers for rubber | Knut Oppenlaender, Gerhard Paulus, Hubertus Queins, Hubert Schoeppl | 1983-08-02 |
| 4323689 | 2-Hydroxypropylimidazoles, their preparation, and their use as oil-soluble corrosion inhibitors | Hans-Henning Vogel, Rainer Strickler, Knut Oppenlaender | 1982-04-06 |
| 4212760 | Solubilized alkaline, aqueous solutions of nonionic surfactants | Knut Oppenlaender, Dieter Stoeckigt | 1980-07-15 |