Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142020 | Polyesters containing nonionic surfactants as cocondensed units, preparation thereof and use thereof in detergents | Dieter Boeckh, Wolfgang Trieselt, Hans-Ulrich Jaeger, Heinrich Hartmann | 1992-08-25 |
| 5126069 | Water-soluble or -dispersible, oxidized polymer detergent additives | Richard Baur, Angelika Funhoff, Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer | 1992-06-30 |
| 5025103 | Glycerol aminocarboxylates and preparation and use thereof | Alfred Oftring, Stefan Birnbach, Rolf Fikentscher, Richard Baur, Ulrich Goeckel +1 more | 1991-06-18 |
| 4980088 | Detergent compositions with copolymers of 1,2-dialkoxyethylenes and monoethylenically unsaturated dicarboxylic anhydrides | Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Dieter Koeffer, Wolfgang Trieselt +1 more | 1990-12-25 |
| 4952655 | Water-soluble copolymers, their preparation and their use | Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann, Wolfgang Trieselt | 1990-08-28 |
| 4904408 | Use of graft polymers based on polyalkylene oxides as grayness inhibitors in the wash and aftertreatment of textile material containing synthetic fibers | Wolfgang Trieselt, Heinrich Hartmann | 1990-02-27 |
| 4849126 | Use of graft polymers based on polyesters, polyester urethanes and polyester amides as grayness inhibitors in detergents | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-18 |
| 4846995 | Use of graft polymers based on polyalkylene oxides as grayness inhibitors in the wash and aftertreatment of textile material containing syntheic fibers | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-11 |
| 4846994 | Use of graft polymers based on polyalkylene oxides as grayness inhibitors in the wash and aftertreatment of textile material containing synthetic fibers | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-11 |
| 4746456 | Detergents containing graft copolymers of polyalkylene oxides and vinyl acetate as antiredeposition inhibitors | Guenther Schulz, Wolfgang Trieselt, Heinrich Hartmann | 1988-05-24 |
| 4654432 | Preparation of 2-(hydroxymethyl)-acrylonitrile and 2-(hydroxymethyl)-acrylates | Rolf Fikentscher, Erwin Hahn, Alfred Oftring | 1987-03-31 |
| 4652669 | 2-(1-hydroxycarbalkoxymethyl)-acrylonitriles and 2-(1-hydroxycarbalkoxymethyl)-acrylates and their preparation | Rolf Fikentscher, Erwin Hahn, Alfred Oftring | 1987-03-24 |
| 4314922 | Process for the preparation of aqueous polyurethane dispersions | August Lehner, Heinrich Hartmann | 1982-02-09 |