Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352246 | Dye composition containing a mixture of water-soluble fiber-reactive dyes and method of dyeing with said dye composition | Marcos Segal, Werner Russ, Uwe Mrotzeck, Jutta Reiter, Christine Feuchtner | 1994-10-04 |
| 5234465 | Pad-dyeing of cellulose fibers with sulfur black dyes: mixture of dithionite and glucose reducing sugar as reducing agent in aqueous alkaline dye bath | Ullrich Saalfrank, Claus Schuster, Joachim Steinbach, Gerd Krauzpaul | 1993-08-10 |
| 5167668 | Process for level exhaust of cellulose fibers with reactive dyes: addition of fixing alkali according to a parabolic time function | Pablo Canora | 1992-12-01 |
| 5071443 | Blue azo dyestuff mixture for strong blue color on hydrophobic fibers | Ulrich Buhler, Hubert Kruse, Margareta Boos, Reinhard Kuhn | 1991-12-10 |
| 4985044 | Multi-component mixtures of blue disperse azo dyes for the dyeing of synthetic fibers | Reinhard Kuhn, Ulrich Buhler | 1991-01-15 |
| 4985043 | Mixtures of monoazo dyes containing halogen and cyano substituents | Ulrich Buhler, Reinhard Kuhn, Margarete Boos | 1991-01-15 |
| 4908042 | Process for coloring cellulose on polyester with water-insoluble red mono-azo dyes | Ulrich Buhler, Michael Kunze, Albert Bode | 1990-03-13 |
| 4872882 | Dyeing formulations of mixtures of red disperse dyes for the washfast dyeing of polyester fibers or mixtures thereof with cellulose fibers: benzo-di-furanone and azo dyes | Reinhard Kuhn | 1989-10-10 |
| 4872883 | Mixtures of monoazo dyestuffs | Ulrich Buhler, Klaus Hofmann | 1989-10-10 |
| 4772292 | Mixture of yellow disperse dyestuffs containing pyridone disazo dye | Ulrich Buhler, Albert Bode | 1988-09-20 |
| 4769449 | Red mono-azo water-soluble dye containing cyano, amide and amino substituents | Ulrich Buhler, Michael Kunze, Albert Bode | 1988-09-06 |
| 4765797 | Storable formulations of cationic dyes with oxidizing agent as stabilizer | Sierling Ong, Kurt Hohmann | 1988-08-23 |
| 4705524 | Mixtures of water-soluble fiber-reactive dyes and use thereof for dyeing: dioxazine and disazo dyes | Marcos Segal | 1987-11-10 |
| 4689050 | Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers | Reinhard Kuhn, Reinhard Hahnle, Rudolf Schickfluss | 1987-08-25 |
| 4620853 | Dyestuff mixtures, process for their preparation and process for dyeing and printing hydrophobic fiber materials | Horst Tappe, Klaus Hofmann, Albert Bode | 1986-11-04 |
| 4607071 | Process for spin-dyeing of acid-modified polymers of copolymers of acrylonitrile using rapid-fixing di-quaternary cationic dyes | Reinhard Mohr, Kurt Hohmann | 1986-08-19 |
| 4582509 | Mixtures of monoazo dyestuffs | Ulrich Buhler, Albert Bode, Kurt Roth, Margarete Boos | 1986-04-15 |
| 4567252 | Water-insoluble naphthol monoazo dyestuff | Ulrich Buhler, Horst Tappe, Albert Bode, Kurt Roth | 1986-01-28 |
| 4563191 | Process for dyeing, in the gel state, fiber material composed of wet spun acrylonitrile polymers using dyes with two basic groups | Reinhard Mohr, Kurt Hohmann | 1986-01-07 |
| 4557732 | Process for spin-dyeing of acid-modified polymers of acrylonitrile by the wet-spinning procedure using quaternary ammonium or cyclammonium dyestuffs of low M value and high cation weight having two or three said ammonium or cyclammonium groups | Reinhard Mohr, Kurt Hohmann | 1985-12-10 |
| 4548613 | Yellow disperse dyestuff mixtures and dyeing process | Albert Bode, Thomas V. Chambers, Wolfgang Kretzschmar | 1985-10-22 |
| 4445904 | Process for continuously dyeing in the gel state fiber material of acrylonitrile polymers spun from organic solvents with carbinol- or anhydro base of basic dye | Wolfgang Teige | 1984-05-01 |
| 4344879 | Quaternary and basic azamethine compounds and their use as colorants | Reinhard Mohr | 1982-08-17 |