Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5488108 | Triazine compounds as UV absorbers for photographic material | David G. Leppard, Mario Slongo | 1996-01-30 |
| 5387683 | Hydroxyphenyl-1,3,5-triazines | Gerhard Reinert, Dieter Reinehr | 1995-02-07 |
| 5364749 | Photographic material containing UV absorber | David G. Leppard, Mario Slongo | 1994-11-15 |
| 5298030 | Process for the photochemical and thermal stabilization of undyed and dyed or printed polyester fiber materials | Gerhard Reinert, Dieter Reinehr | 1994-03-29 |
| 5290952 | Phenylthiophenyl ketones | David G. Leppard | 1994-03-01 |
| 5288778 | Stabilized polymers having hetero atoms in the main chain | Andre Schmitter, Mario Slongo, Jean-Luc Birbaum | 1994-02-22 |
| 5182389 | Process for the preparation of 2-(2',4'-dihydroxyphenyl)-4,6-diaryl-s-triazines | — | 1993-01-26 |
| 5142059 | Monosulfonated 2-(2'-hydroxyphenyl)-benzotriazoles | Gerhard Reinert | 1992-08-25 |
| 5106972 | 2-methyl-thio-4,6-diaryl-triazines | Franz Gunter | 1992-04-21 |
| 5084570 | Process for the preparation of 2-(2',4'-dihydroxyphenyl)-4,6-diaryl-s-triazines | Franz Gunter | 1992-01-28 |
| 5037979 | Cationic compounds | Alfred Hohener, Gerhard Reinert | 1991-08-06 |
| 4975530 | 4,6-diaminopyrimidine or the like intermediates for the preparation of fiber-reactive dyes | Athanassios Tzikas | 1990-12-04 |
| 4962191 | 1:2 chromium or cobalt complex axo dyes containing at least one 2-aryl-4-amino-6-hydroxypyrimidine radical | Alois Puntener | 1990-10-09 |
| 4950304 | Process for quenching or suppressing the fluorescence of substrates treated with fluorescent whitening agents | Gerhard Reinert | 1990-08-21 |
| 4937349 | Process for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hydroxy-benzenesulfonic acids and the salts thereof | Otto Gottel | 1990-06-26 |
| 4900813 | Fiber-reactive azo dyes having a 4,6-diaminopyridine coupling component | Athanassios Tzikas | 1990-02-13 |
| 4895981 | Process for improving the photochemical stability of dyeings on polyester fibre materials | Gerhard Reinert | 1990-01-23 |
| 4892945 | Isoindoline pigments containing at least one triazolopyrimidone radical | Max Jost, Jost von der Crone | 1990-01-09 |
| 4889655 | Mixtures of fluorescent whitening agents | Heinz Hefti, Klaus Artz, Kurt Weber, Dieter Reinehr | 1989-12-26 |
| 4847404 | Stilbene derivatives by desulfonation | Kurt Weber, Dieter Reinehr | 1989-07-11 |
| 4831068 | Process for improving the photochemical stability of dyeings on polyester fibre materials | Gerhard Reinert | 1989-05-16 |
| 4780558 | Sulfone compounds | Kurt Weber, Dieter Reinehr | 1988-10-25 |
| 4775386 | Process for photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with other fibres: copper complex and light stabilizer treatment | Gerhard Reinert | 1988-10-04 |
| 4698091 | 2-phenylpyrimidines, 2-naphthylpyrimidines and 2-heterocyclylpyrimidines as safeners for protecting cultivated plant against phytotoxic damage caused by herbicides | Hans-Georg Brunner, Werner Fory | 1987-10-06 |
| 4674229 | Phenylpyrimidines as antidotes for protecting cultivated plants against phytotoxic damage caused by herbicides | Guglielmo Kabas, Hans-Georg Brunner, Werner Fory | 1987-06-23 |