Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410594 | Trichromatic dyeing process and dye mixtures used therein | Markus Gisler | 2008-08-12 |
| 7091328 | Fiber-reactive mono-azo dyes | Markus Gisler | 2006-08-15 |
| 6518739 | Zero-voltage-switch snubber circuit | Nils Backman | 2003-02-11 |
| 6042621 | Fibre-reactive dyestuffs | Paul Doswald | 2000-03-28 |
| 6005084 | Asymmetric triphenylenedioxazine compounds | Detlef Kalweit | 1999-12-21 |
| 5847111 | Aluminum phthalocyanine reactive dyes | Markus Gisler | 1998-12-08 |
| 5760215 | Fibre-reactive dyestuffs | Markus Gisler | 1998-06-02 |
| 5721343 | Fibre-reactive azo dyestuffs containing a halo substituted pyrimidine substituent | Paul Doswald, Rainer Nusser | 1998-02-24 |
| 5654410 | Fibre-reactive monoazo dyestuffs | Rainer Nusser | 1997-08-05 |
| 5619401 | Circuit arrangement | Bror Mats Karlsson | 1997-04-08 |
| 5583207 | Fibre-reactive monoazo copper complexes containing a halo substituted pyrimidine substituent | Rainer Nusser | 1996-12-10 |
| 5578712 | Fibre-reactive monoazonaphthyl dyestuffs | Markus Doerr | 1996-11-26 |
| 5554732 | Fibre-reactive disazo dyestuffs | Rainer Nusser | 1996-09-10 |
| 5527886 | Dyes containing 5-cyano-2,4 or 4,6-dichloropyrimidyl fiber-reactive groups | Gunther Auerbach, Markus Dorr, Paul Doswald, Markus Gisler, Werner Koch +1 more | 1996-06-18 |
| 5491221 | Fibre-reactive copper-complex formazan compounds which contain a difluoropyrimidinyl group | Markus Gisler | 1996-02-13 |
| 5455334 | Sulfonamido-phthalocyanine azo fibre-reactive dyestuffs containing a heterocyclic fibre-reactive group | — | 1995-10-03 |
| 5352334 | The use of metal-free sulfo group free basic disazo compounds containing two identical 6-hydroxypyrid-2-one coupling component radicals for producing colored paper | Helmut Moser | 1994-10-04 |
| 5227477 | Dyes having one or two 2,4- or 4,6-dichloro-5-cyanopyrimidyl groups linked through bridging radicals containing at least two nitrogen atoms to chloro-1,3,5-triazinyl groups | Gunther Auerbach, Kurt Brenneisen, Markus Doerr, Paul Doswald, Markus Gisler +2 more | 1993-07-13 |
| 5126443 | Phthalocyanine azo dyes containing 5-cyano-dichloropyrimidyl group | Helmut Moser | 1992-06-30 |
| 5084068 | Dyes containing two phthalocyanine groups linked by a radical containing two quaternized nitrogen atoms | Helmut Moser | 1992-01-28 |
| 5077396 | Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical | Helmut Moser | 1991-12-31 |
| 5059683 | Dyes containing 6-hydroxypyrid-2-one groups the 1-positions of which contain substituted 1,3,5-triazinyl or pyrimidyl-piperazino or -piperazinium groups linked through bridging radicals and intermediates therefor | Helmut Moser | 1991-10-22 |
| 5037964 | Metal-free sulfo group-free basis disazo and trisazo compounds containing two different 6-hydroxypyrid-2-one coupling component radicals | Helmut Moser | 1991-08-06 |
| 5001226 | Metal-free disazo and polyazo compounds having at least one 6-hydroxypyrid-2-one coupling component radical linked to a 1-amino- or hydroxy-3-amino- or hydroxybenzene coupling component radical and metal complexes thereof | Helmut Moser | 1991-03-19 |
| 4900812 | Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group | Helmut Moser | 1990-02-13 |