Issued Patents All Time
Showing 76–96 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256776 | Water-soluble phthalocyanine dyestuffs, processes for their preparation and their use | Thomas Beck, Hartmut Springer, Marcus Banfer | 1993-10-26 |
| 5250670 | Water-soluble monoazo compounds containing fiber-reactive groups of vinyl sulfone series as well as triazinyl radical, and process for dyeing with same | Ludwig Schlafer | 1993-10-05 |
| 5243034 | Disazo dyestuffs having a triazine moiety and a fiberreactive group of vinylsulfone series | Horst Tappe, Dieter Oehme, Holger M. Buch | 1993-09-07 |
| 5231172 | Fiber reactive dyes which contain a sulfonamido-triazinyl group and one or two groups or the vinyl sulfone series | Thomas Beck, Wilhelm Muhlig | 1993-07-27 |
| 5225544 | Fiber reactive dyes which contain a cyanoaminotriazinyl group and one or two groups of the vinyl sulfone series | Jorg Dannheim | 1993-07-06 |
| 5172558 | Cooling process and refrigerated container | Rudiger Wassibauer | 1992-12-22 |
| 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, Horst Tappe | 1992-08-11 |
| 5070189 | Water-soluble azo compounds containing a sulfo-naphthol as a coupling component and having fiber-reactive groups of the vinylsulfone series, suitable as dyestuffs | Ludwig Schlafer | 1991-12-03 |
| 5055565 | Water-soluble disazo compounds, containing a vinylsulfonyl or .beta.-chloroethylsulfonyl grouping bonded directly or via a methylene group or a lower alkyl amino group to a benzoylamino group, suitable as dyestuffs | Hartmut Springer, Manfred Kuhn, Ludwig Schlafer | 1991-10-08 |
| 5003053 | Water-soluble monoazo compounds containing a p-aminophenylamino- and chloro- or fluoro-substituted triazinylamino group and a fiber-reactive group selected from the vinylsulfone series, suitable as dyestuffs | Hartmut Springer, Walter Helmling, Ludwig Schlafer | 1991-03-26 |
| 4975539 | Water-soluble monoazo compounds having fiber-reactive groups of the vinylsulfone series and a sulfo-substituted benzoylamino naphthol coupling component, suitable as dyestuffs | Ludwig Schlafer | 1990-12-04 |
| 4963660 | Process for the reduction of heavy metal ions in excess from aqueous synthesis solutions of water soluble heavy metal complex dyestuffs | Uwe Mrotzeck, Peter Mischke, Gunther Schwaiger, Manfred Sittig | 1990-10-16 |
| 4963661 | Water soluble naphthylazopyrazolone dyestuffs having fiber-reactive groups of the vinylsulfone series | Horst Tappe, Dieter Oehme, Ludwig Schlafer | 1990-10-16 |
| 4960872 | Water-soluble monoazopyrazolone dyestuffs having fiber reactive groups of the vinylsulfone series | Ludwig Schlafer, Gunther Schwaiger | 1990-10-02 |
| 4948879 | Monoazo compounds containing a fiber-reactive group and an oxazolopyridone or oxazinopyridone coupling component | Horst Tappe, Dieter Oehme | 1990-08-14 |
| 4906736 | Copper complex formazan compounds containing a phenylaminotriazinylamino group with a fiber-reactive group of the vinylsulfone series and an alkyl amino substituent in the phenyl moiety suitable as fiber-reactive dyestuffs | Gunther Schwaiger, Hartmut Springer | 1990-03-06 |
| 4833892 | Process and an apparatus for the adjustment or maintenance of a refrigerated atmosphere | Rudiger Wassibauer | 1989-05-30 |
| 4829774 | Transportable refrigerating container | Rudiger Wassibauer | 1989-05-16 |
| 4775746 | Water-soluble monoazo compounds containing a fiber-reactive group of the vinylsulfone series and having a sulfonaphthol coupling component with a phenylaminotriazinylamino substituent, suitable as dyestuffs | Hartmut Springer, Michael Kunze, Marcos Segal | 1988-10-04 |
| 4757136 | Water-soluble Azo compounds containing fiber-reactive groups and having a sulfo-naphthol coupling component with a triazinylamino substituent suitable as dyestuffs | Hartmut Springer, Michael Kunze, Marcos Segal | 1988-07-12 |
| 4740592 | Water-soluble azo compounds containing fiber-reactive groups and having a sulfo-naphthal coupling component with a triazinylamino substituent suitable as dyestuffs | Hartmut Springer, Michael Kunze, Marcos Segal | 1988-04-26 |