Issued Patents All Time
Showing 101–123 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912244 | Vinylsulfonylalkylamino-alkylamines as intermediates for the preparation of fiber-reactive dyes | — | 1990-03-27 |
| 4900813 | Fiber-reactive azo dyes having a 4,6-diaminopyridine coupling component | Kurt Burdeska | 1990-02-13 |
| 4876334 | Triazinyl reactive dyes in which the triazinyl is furter substituted with a reactive radical | Paul Herzig | 1989-10-24 |
| 4818247 | Reactive azo dyes carrying two amine-fluoro-triazinyl groups for dyeing and printing cotton | Adolf Kaser | 1989-04-04 |
| 4801694 | Triazinyl reactive dyestuffs in which triazinyl group is further substituted with a beta-chloroethylsulfonyl- or vinylsulfonylbutyrylamino moiety | Peter Scheibli, Karl Seitz, Herbert Seiler | 1989-01-31 |
| 4786721 | Fiber-reactive dyes containing a vinylsulfonylalkylamino- or sulfonyl-arylaminotriazine moiety | Peter Aeschlimann, Paul Herzig | 1988-11-22 |
| 4782140 | Triazinyl reactive dyes containing additional fiber reactive groups bound through the sulfonylalkylaminoalkylamino bridge | — | 1988-11-01 |
| 4766206 | Reactive dyestuffs comprising a vinylsulfonylalkylaminocarbonyl moiety | — | 1988-08-23 |
| 4754023 | Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member | Herbert Seiler, Peter Scheibli | 1988-06-28 |
| 4746732 | Reactive disazo dyes containing halopyrimidyl and sulfonyl groups | — | 1988-05-24 |
| 4547575 | Vat dyes obtainable by bromination of dibenzanthrone and reaction with 1-aminoanthraquinone | — | 1985-10-15 |
| 4463174 | Process for producing dibenzanthrone containing vat dyes | — | 1984-07-31 |
| 4374989 | Process for the manufacture of dianthraquinonyl-N,N'-dihydroazine | — | 1983-02-22 |
| 4351975 | Process for preparing chlorinated compounds | — | 1982-09-28 |
| 4329456 | Process for the preparation of vat dyes | — | 1982-05-11 |
| 4298536 | Process for the manufacture of 1,2-diaminoanthraquinone | — | 1981-11-03 |
| 4284770 | Process for the manufacture of vat dyes | — | 1981-08-18 |
| 4265633 | Process for the manufacture of vat dyes | — | 1981-05-05 |
| 4261909 | Process for the reductive removal of halogen atoms from anthraquinones | Jurgen Markert | 1981-04-14 |
| 4250102 | Process for the manufacture of aminohydroxyanthraquinones | — | 1981-02-10 |
| 4243600 | Process for the manufacture of 1,4-diaminoanthraquinone-2-carboxylic acid | — | 1981-01-06 |
| 4202827 | Process for the production of 1-anthraquinonyl hydrazine | — | 1980-05-13 |
| 4198518 | Process for the production of 3-substituted pyrazolanthrones | — | 1980-04-15 |