Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126898 | Control device for a motion picture camera and control method | Hendrik Voss | 2024-10-22 |
| 6028192 | Process for the preparation of diacylimides | Johannes Becherer, Klaus Delpy, Bernhard Mees | 2000-02-22 |
| 5530093 | Polycondensates containing phosphinic and phosphonic acid groups | Fritz Engelhardt, Willi Steckelberg, Ralf Zerrer | 1996-06-25 |
| 5492995 | Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups | Fritz Engelhardt, Jurgen Kuhlwein, Wilfried Schuler, Willi Steckelberg, Ralf Zerrer +1 more | 1996-02-20 |
| 5389280 | Stable and homogeneous aqueous formulations of surfactants | Thomas Martini, Ignaz Wimmer | 1995-02-14 |
| 5230711 | Dyeing of cellulose with soluble sulphur dyes without reducing agent | Thomas Martini | 1993-07-27 |
| 5144040 | Process for the preparation of 1-(acylaminoalkyl)-2-imidazolines substituted in the 2 position | Georg W. Eckhardt, Manfred Schrod | 1992-09-01 |
| 5100673 | Microencapsulation of biologically active material | Hebert Bader, Diether Ruppel, Merten Schlingmann, Axel Walch | 1992-03-31 |
| 5041553 | Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines | Georg-Wolfgang Eckardt, Herbert Wirtz, Helmut Berenbold, Werner Wellbrock, Horst Frohlich | 1991-08-20 |
| 5006129 | Dyeing textile material with pigment dyes: pre-treatment with quaternary ally ammonium salt polymer | Thomas Martini, Ulrich Karsunky, Klaus Sternberger | 1991-04-09 |
| 4988365 | Process for the dyeing and printing of cellulose fibers in the absence of alkali or reducing agents: pre treatment with modified amine | Klaus Sternberger | 1991-01-29 |
| 4977239 | Polybase from amino amido carboxylic acid, polyamine and difunctional alkylating agent | Walter Kamutzki | 1990-12-11 |
| 4810254 | Wet-fastness properties of sulphur dyestuffs dyeings on cellulose treated with poly-di-allyl-ammonium salt | Wolfgang Bauer, Gert Nagl, Manfred Kaiser, Joachim Steinbach, Klaus Sternberger | 1989-03-07 |
| 4806126 | Process for alkali-free dyeing and printing with reactive dyes | Klaus Sternberger, Dieter Gevert, Oscar Navarrete | 1989-02-21 |
| 4753999 | Copolymer, process for its preparation, and its use | Fritz Engelhardt, Klaus Sternberger, Gunter Rosch | 1988-06-28 |
| 4686243 | Copolymer, a process for its preparation and its use as enzyme supports | Dieter Wullbrandt, Reinhold Keller, Friedrich Engelhardt | 1987-08-11 |
| 4608277 | Encapsulated salts of sparing solubility in water, their preparation and their use | Ulrich Greiner, Rudolf Heinrich, Konrad Albrecht | 1986-08-26 |
| 4588413 | Process for producing dyeings with reactive dyestuffs | Fritz Engelhardt, Ulrich Greiner, Klaus Sternberger, Manfred Pelster | 1986-05-13 |
| 4576973 | Copolymer, process for its preparation and its use as a sorbent | Fritz Engelhardt, Ulrich Greiner, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann +1 more | 1986-03-18 |
| 4552905 | Copolymer, a process for its preparation and its use as a sorbent | Ulrich Greiner, Fritz Engelhardt, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann | 1985-11-12 |
| 4547429 | Encapsulated salts of acid particles wherein the salt particles are surrounded by a polyurethane/polyurea casing | Ulrich Greiner, Rudolf Heinrich, Konrad Albrecht | 1985-10-15 |
| 4488974 | Softener emulsion, a process for its preparation, and its application | Ulrich Greiner, Georg-Wolfgang Eckardt, Volker Kohler | 1984-12-18 |
| 4399043 | Fabric softener | Adolf May, Hans-Walter Bucking | 1983-08-16 |
| 4310355 | Internal release agent for thermosetting aminoplast resins | Peter Dorries | 1982-01-12 |
| 4300903 | Padding auxiliaries and processes for dyeing cellulose fibers or mixtures of cellulose fibers and synthetic fibers with sulphur dyestuffs, sulphur vat dyestuffs, vat dyestuffs and reactive dyestuffs | Friedrich Engelhardt, Gerhard Weckler, Klaus Sternberger | 1981-11-17 |