Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942010 | Dyeing process and auxiliary | — | 1999-08-24 |
| 5621148 | Condensates and their use as oxyalkylation adjuvants | — | 1997-04-15 |
| 5554199 | Dyeing process and auxiliary | — | 1996-09-10 |
| 5470355 | Organic compounds | — | 1995-11-28 |
| 5443598 | Dyeing assistants and their use | — | 1995-08-22 |
| 5426192 | Chromogenic lactam compounds, their preparation and their use | Ian J. Fletcher | 1995-06-20 |
| 5405980 | Condensates and their use as oxyalkylation adjuvants | — | 1995-04-11 |
| 5362872 | Chromogenic lactams | Rox Phaff | 1994-11-08 |
| 5329006 | Chromogenic lactam compounds, their preparation and their use | Ian J. Fletcher | 1994-07-12 |
| 5252104 | Products of reacting an alkylene oxide with a condensate of formaldehyde, an alkylphenol and an amine | — | 1993-10-12 |
| 5250079 | Process for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their production | — | 1993-10-05 |
| 5248430 | Metalized ammonium salts of condensates of sulpho group containing aromatic compounds with dihydroxydiphenyl-sulphone | — | 1993-09-28 |
| 5207802 | Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather | — | 1993-05-04 |
| 4957847 | Heat-sensitive cyclic diazo compound containing recording material with benzotriazine compound and coupling component | Jean-Marie Adam | 1990-09-18 |
| 4797131 | Use of certain quaternary ammonium compounds in dyeing leather with basic dyestuffs | — | 1989-01-10 |
| 4657957 | Binding agent aqueous dispersions having improved coagulation properties | Marcel Grossmann | 1987-04-14 |
| 4649982 | Lift-safety for venetian blinds | Willi Baumann | 1987-03-17 |
| 4588448 | Process for sealing anodically oxidized aluminium or aluminium alloy surfaces | Carl T. Speiser, Ernst Weisskopf | 1986-05-13 |
| 4582649 | Phenolamines | — | 1986-04-15 |
| 4560744 | Azo dye 2:1-chromium complexes | Klaus Grychtol | 1985-12-24 |
| 4544738 | Reactive pyrazole group containing monoazo dye | Hermann Kaack | 1985-10-01 |
| 4537955 | Unsymmetrical 1:2 chromium complex of a monoazo dyestuff and a disazo dyestuff which is non-fiber reactive and contains no sulfonamido or amino groups | Klaus Grychtol | 1985-08-27 |
| 4516979 | Polybenzoates as disperse dyeing assistants | — | 1985-05-14 |
| 4511506 | Reactive bis-triazinyl stilbene dyes | Hermann Kaack | 1985-04-16 |
| 4489002 | Azo compound and an azomethine compound and having a tertiary N-dative bond | Klaus Grychtol | 1984-12-18 |