Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41549 | Dyes for keratin fibers, the dyes containing n-benzyl-p-phenylenediamine derivatives and novel n-benzyl-p-phenylenediamine derivatives | Hans-Juergen Braun | 2010-08-24 |
| 7641702 | O-Aminophenol derivatives and colorants containing said compounds | Hans-Juergen Braun | 2010-01-05 |
| 7491244 | Oxidizing hair coloring agents containing m-aminophenol derivatives | Hans-Jurgen Braun | 2009-02-17 |
| 7455698 | Cationic dyes and dyestuff for keratin fibres containing said compounds | Laurence Descloux, Sylviane Oberson, Gisela Umbricht, Hans-Juergen Braun | 2008-11-25 |
| 7156884 | Compositions and methods for dyeing keratinous fibers | David Rozzell, Juergen Allwohn, Cecile Pasquier, Guido Sauter, Veronique Buclin-Charriere | 2007-01-02 |
| 7125428 | 1,3-Dihydroxybenzene derivatives and colorants containing said compounds | Hans-Juergen Braun | 2006-10-24 |
| 7122061 | Agents for dyeing keratin fibers, containing 4-aminobiphenyl-3-ol-derivatives | Hans-Juergen Braun | 2006-10-17 |
| 7074243 | N-benzyl-m-phenylenediamine derivatives and dyes containing said compounds | Hans-Juergen Braun | 2006-07-11 |
| 7070626 | (P-amino-hydroxyphenyl)-acrylamide derivatives and dyes containing said compounds | Hans-Juergen Braun | 2006-07-04 |
| 7056347 | Coloring agents for keratin fibers containing (1,1′-biphenyl)-2,4-diamine derivatives in addition to novel (1,1′-biphenyl)-2,4-diamine-derivatives | Hans-Juergen Braun | 2006-06-06 |
| 6997961 | N-heteroarylmethyl-m-phenylenediamine derivatives-containing dyes for keratin fibers and novel n-heteroarylmethyl-m-phenylenediamine derivatives | Hans-Juergen Braun | 2006-02-14 |
| 6936077 | 1,3-diamino-4-(aminomethyl)—benzene derivatives and colorants containing the said compounds | Hans-Juergen Braun | 2005-08-30 |
| 6887281 | N-heteroarylmethyl-p-phenylenediamine derivatives as well as oxidation dyeing agents containing these compounds | Hans-Juergen Braun | 2005-05-03 |
| 6875873 | 1,4-Diamino-2-(thiazol-2-yl)benzene derivatives, and dyes containing said compounds | Hans-Juergen Braun | 2005-04-05 |
| 6849766 | 1,4-diamino-2-alkenylbenzene derivatives, and dyes containing these compounds | Hans-Juergen Braun | 2005-02-01 |
| 6849097 | N-heteroarylmethyl-p-phnylendiamine derivatives and compounds containing oxidationcoloring agents | Hans-Juergen Braun | 2005-02-01 |
| 6840965 | P-aminophenols and colorants containing said compounds | Hans-Juergen Braun | 2005-01-11 |
| 6811573 | Dyes for keratin fibres containing 1,3-diamino-4-heteroarylbenzene derivatives and novel 1,3-diamino-4-heteroarylbenzene derivatives | Hans-Juergen Braun | 2004-11-02 |
| 6800097 | Substituted 2-aminoalkyl-1,4-Diaminobenzene compounds and oxidation dye precursor compositions containing same | Hans-Juergen Braun | 2004-10-05 |
| 6780998 | Substituted 2-aminoalkyl-1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same | Hans-Juergen Braun | 2004-08-24 |
| 6749644 | 2-hydroxy-5-amino-biphenyl-derivatives and oxidative hair coloring agents containing said compounds | Hans-Juergen Braun | 2004-06-15 |
| 6699296 | P-diaminobenzene derivatives and dyes containing said compounds | — | 2004-03-02 |
| 6699990 | 3-(2,5-diaminophenyl)-acrylamide derivatives and coloring agents containing said compounds | Hans-Juergen Braun | 2004-03-02 |
| 6689174 | N-benzyl-p-phenylenediamine-derivatives containing coloring agents for keratin fibres and novel n-benzyl-p-phenylenediamine-derivatives | Hans-Juergen Braun | 2004-02-10 |
| 6685751 | Substituted 1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same | Hans-Juergen Braun | 2004-02-03 |