Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958086 | Dye mixtures, process for their preparation and the use thereof | Jean-Marie Adam | 1999-09-28 |
| 5928386 | Process for trichromatic dyeing or printing | Jean-Marie Adam, Francine Casi | 1999-07-27 |
| 5663309 | Diazo dyes having a phenylene group as the middle component and a naphthalene group as the terminal diazo component | — | 1997-09-02 |
| 5644040 | Azo dyes having two monoazo-chromophores bound to a halotriazinyl radical processes for their preparation and their use | — | 1997-07-01 |
| 5371201 | Azo dyes and preparation and use thereof | — | 1994-12-06 |
| 5332806 | Disazo dyes which contain 2-hydroxynaphthyl moiety | — | 1994-07-26 |
| 5120872 | Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component | Harald Walter | 1992-06-09 |
| 5106960 | Azo dyes and the production and use thereof | Dieter Mausezahl | 1992-04-21 |
| 4997921 | Substituted phenylazosulfoindole dyes | — | 1991-03-05 |
| 4994563 | Monoazo dyes containing a 3-sulfoalkanoylamino or 3-sulfoalkylsulfonylaminoaniline coupling component | Harald Walter | 1991-02-19 |
| 4954563 | Monoazo dyes containing sulfoindole coupling components | — | 1990-09-04 |
| 4918183 | Monoazo dyes, process for their preparation, and the use thereof | — | 1990-04-17 |
| 4906740 | Monoazo dyes containing as the azo component A phenylsulfonylphenyl radical | — | 1990-03-06 |
| 4866164 | 3-methyl-1-phenyl-5-pyrozolone-4-azo-1'-(3'-chloro-S-tri azinylamins)-benzene-6'-sulfonic acid compounds | — | 1989-09-12 |
| 4843151 | Monoazo dyes containing a 4'-methyl-3'-sulfo-5-acylamino-2-azo-1,1'-diphenylsulfone component | — | 1989-06-27 |
| 4678611 | Novel dyestuff intermediates and use thereof for the manufacture of novel azo dyes | — | 1987-07-07 |
| 4602084 | Monoazo dyes containing a 4-substituted-2-azo-1,1'-diphenylsulfone component | — | 1986-07-22 |
| 4582897 | Azo dyes | Dieter Mausezahl, Hansrudolf Schwander | 1986-04-15 |
| 4562249 | Bis(4-((chloro substituted phenyl)azo)anilino methylenes | Hansrudolf Schwander | 1985-12-31 |
| 4360460 | Novel azo dyes having a 4-sulfo-5-aminomethyl naphthalene coupling moiety | — | 1982-11-23 |
| 4288363 | Novel azo dyes having 2-amino-5-aminomethyl-7-sulfo naphthalene coupling moiety | — | 1981-09-08 |
| 4248773 | Acetoacetamide diazo dyestuffs | Alfred Fasciati | 1981-02-03 |
| 4219472 | 5-Aminomethyl-2-amino naphthyl-(1) azo dyes | — | 1980-08-26 |
| 4211698 | Disazo dyes containing an acetoacetanilide middle component | — | 1980-07-08 |