Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548072 | Water-soluble phenyl azo aminoaphtol azo compounds containing a fibre-reactive group of the vinylsulfone series and a morpholino-fluorotriazinyl group, suitable as dyestuffs | J org Dannheim, Dieter Oehme | 1996-08-20 |
| 5484458 | Triphendioxazine compounds, processes for their preparation and their use as dyestuffs | Werner Russ, Christian Schumacher | 1996-01-16 |
| 5243034 | Disazo dyestuffs having a triazine moiety and a fiberreactive group of vinylsulfone series | Dieter Oehme, Holger M. Buch, Werner Russ | 1993-09-07 |
| 5138041 | Water-soluble fiber-reactive monoazo and disazo dyestuffs having a s-triazinylamino group and three fiber-reactive groups of the vinylsulfone series | Holger M. Buch, Werner Russ | 1992-08-11 |
| RE33908 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Hubert Kruse, Reinhard Kuhn, Albert Bode, Margareta Boos | 1992-05-05 |
| 4963661 | Water soluble naphthylazopyrazolone dyestuffs having fiber-reactive groups of the vinylsulfone series | Dieter Oehme, Ludwig Schlafer, Werner Russ | 1990-10-16 |
| 4948879 | Monoazo compounds containing a fiber-reactive group and an oxazolopyridone or oxazinopyridone coupling component | Dieter Oehme, Werner Russ | 1990-08-14 |
| 4857070 | 2,4-Diaminophenyl tetrahydrofurfuryl ethers, processes for their preparation and tinting compositions, which contain them for keratinic fibres | Winfried Seidel | 1989-08-15 |
| 4802889 | 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate | Ulrich Bte,uml/u/ hler, Reinhard Kuhn, Albert Bode, Margareta Boss | 1989-02-07 |
| 4678476 | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Hubert Kruse, Reinhard Kuhn, Albert Bode, Margareta Boos | 1987-07-07 |
| 4620853 | Dyestuff mixtures, process for their preparation and process for dyeing and printing hydrophobic fiber materials | Klaus Hofmann, Manfred Hahnke, Albert Bode | 1986-11-04 |
| 4567252 | Water-insoluble naphthol monoazo dyestuff | Ulrich Buhler, Albert Bode, Manfred Hahnke, Kurt Roth | 1986-01-28 |
| 4552953 | Water-insoluble monoazo dyestuffs, their preparation and their use | Ulrich Buhler, Klaus Kuhlein, Maria Kallay, Uwe Kosubek, Rudolf Lowenfeld | 1985-11-12 |
| 4505856 | Azo dyestuff dischargeable to white | Ulrich Buhler, Joachim Ribka, Kurt Roth | 1985-03-19 |
| 4472307 | Preparation of anilino azo carbazole dyestuffs prepared by diazotization by nitrosylsulphuric acid in acetic acid | Ulrich Buhler, Wolfgang Bodenstedt, Heinz Hanel, Eberhardt Hebestreit | 1984-09-18 |
| 4440681 | Water-insoluble monoazo dyestuffs and their preparation | Rudolf Lowenfeld, Uwe Kosubek, Maria Kallay | 1984-04-03 |
| 4431585 | Water-insoluble azo dyestuffs, processes for their manufacture and their use for dyeing and printing synthetic hydrophobic fiber material | Ulrich Buhler, Kurt Roth, Hans-Jurgen Weyer, Uwe Kosubek | 1984-02-14 |
| 4416665 | Water-insoluble azo dyestuff, for discharge printing | Kurt Roth | 1983-11-22 |
| 4413144 | 4-Isopropyl-4'-nitrobenzophenone and a process for the preparation of 4'-nitrobenzophenones substituted in the 4-position | Herbert Wille | 1983-11-01 |
| 4406661 | Process for dyeing and printing synthetic, hydrophobic fibre material with dischargeable azo disperse dye | Ulrich Buhler, Joachim Ribka, Kurt Roth | 1983-09-27 |
| 4386935 | Process for producing discharge reserve prints on textile materials with amino-azo-benzene dyes | Ulrich Buhler, Klaus Kuhlein, Theo Stahl, Kurt Roth | 1983-06-07 |
| 4374640 | Dyeing-stable modification of a disperse dyestuff, processes for its preparation and use | Hans Mayer, Klaus Hofmann | 1983-02-22 |
| 4349348 | Process for printing synthetic, hydrophobic fiber material | Horst Kindler, Kurt Roth, Hans-Jurgen Weyer | 1982-09-14 |
| 4342688 | Process for the manufacture of an N-hydroxyalkylcarbazole | — | 1982-08-03 |
| 4322213 | Process for the production of reserve effects on polyestercellulose mixed fiber textiles | Horst Kindler, Kurt Roth, Sien L. Ong | 1982-03-30 |