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Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7429278 | N-alkyleheteroaryl secondary para-phenylenediamine and composition comprising such a para-phenylenediamine The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing ... | 09/30/2008 |
| 7429277 | Hair-dyeing agent A hair-dyeing agent, which contains at least one compound represented by formula (1) or (2) as a dye: wherein X1 and X2 each are an oxygen atom, nitrogen atom, sulfur atom, or dialkylmethylene group; R... | 09/30/2008 |
| 7425221 | Composition comprising at least one substituted derivative of carbocyanine, method for treating keratin fibers using it, device and use The invention relates to a composition comprising, in a cosmetically acceptable medium, at least one particular direct dye. The invention further relates to a method for treating keratin fibers, in particular human keratin fibers, using the abovementioned com... | 09/16/2008 |
| 7410506 | Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereof The present disclosure relates to a novel family of dicationic bis-hydrazone compounds that may be used as direct dyes, and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, a... | 08/12/2008 |
| 7374581 | Dye composition containing a particular cationic hydrazone direct dye, dyeing process, use and multi-compartment devices The invention relates to a dye composition for dyeing human keratin fibres and more particularly the hair, comprising a particular direct cationic hydrazone dye of formula (I) and also to processes for dyeing human keratin ... | 05/20/2008 |
| 7326259 | Use of polycationic compounds in the dyeing of keratinous fibres A subject-matter of the present patent application is the use, as direct dye in dyeing compositions for keratinous fibres, in particular human keratinous fibres, such as the hair, or for the manufacture of such compositions, of a specific polycationic compound. ... | 02/05/2008 |
| 7311736 | Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compounds The invention concerns the use as direct dyeing agent of at least one tetra-azapentamethine compound, a dyeing composition comprising at least such a compound, as well as a method for dyeing keratinous fibers, in particular human keratinous fibers and more particula... | 12/25/2007 |
| 7303591 | Composition comprising at least one mixed dye comprising at least two chromophores of (hetero) aromatic nitro or cyclic azine type, dyeing process, and mixed dyes A dye composition comprising at least one mixed dye comprising at least two chromophore chosen from azine and (hetero)aromatic nitro compounds, optionally associated with at least one chromophore chosen from methine and carbonyl compounds; a process for dyeing kerat... | 12/04/2007 |
| 7303592 | Hair coloring compositions for use in oxidative hair dyeing Hair dyeing compositions are provided which comprise at least one coupler selected from N-aryl-m-phenylenediamine derivatives, 2-substituted N-aryl-m-phenylenediamine derivatives, and N-aryl-m-diaminopyridine derivatives, in combination with and at least one diamino... | 12/04/2007 |
| 7300471 | Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes. Disclosed herein are a dye composition comprising at least one mixed dye comprising at least one chromophore chosen from chromophores of the azo family and the tri(hetero)arylmethane family; and the mixed dyes. Further disclosed herein are a process for dyeing kerat... | 11/27/2007 |
| 7288120 | Synthesis of tetraazapentamethine compounds, and processes for dyeing keratin fibers using this synthesis The present disclosure relates to processes for synthesizing tetraazapentamethine compounds that comprise reacting at least one compound of azine type with at least one oxidizing agent. The disclosure also relates to processes for dyeing keratin fibers, for example ... | 10/30/2007 |
| 7288142 | Black dyes composition for ink-jet inks The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, R1 is —SO2CH2CH2OSO... | 10/30/2007 |
| 7288121 | Composition comprising at least one mixed dye comprising at least one chromophore chosen from compounds of the methine family and/or the carbonyl family, dyeing process and kit, and mixed dyes The present invention relates to a dye composition including at least one mixed dye containing at least one chromophore of methine or carbonyl type or their combinations. The invention furthermore relates to a process for dyeing keratin fibers, especially human kera... | 10/30/2007 |
| 7282068 | Polycationic azo compounds for dyeing keratin fibers, dye composition containing the same, and methods for making such compounds The present disclosure relates to compounds used as direct dyes, and dyeing compositions comprising such compounds. The disclosed compounds have the formula A-L-B, wherein A and B are chosen from arylazoimidazolium coloring functional groups, and L is a linker compr... | 10/16/2007 |
| 7258702 | Yellow cationic dyes for dyeing of organic material The present invention relates to novel cationic yellow dyes of formula (1) wherein R1 and R2 are each independently of the other a C1-C8alkyl radical or an unsubstituted or substituted benzyl radical, R3 is hydr... | 08/21/2007 |
| 7250063 | Diaminopyrazole derivatives and their use for oxidation dyeing of keratinous fibres The invention concerns novel diaminopyrazole derivatives of formula (I), wherein: R1 represents C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, bearing at least a substituent s... | 07/31/2007 |
| 7241319 | Dye composition comprising at least one polycationic direct dye, dyeing processes, uses, and multi-compartment devices Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col (I) in which Col, which may be identical ... | 07/10/2007 |
| 7238211 | 6-alkoxy-2,3-diaminopyridine couplers in which the amino radical in position 2 is a disubstituted amino radical, and use of these couplers for dyeing keratin fibres The invention relates to a dye composition that is useful for dyeing keratin fibers, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, t... | 07/03/2007 |
| 7220286 | Cationic direct triazo dyes, dye composition comprising them and process for dyeing keratin fibres using it The present invention relates to cationic direct dyes of formula (I) below: in which W1 represents —NR8— or —O—; X1 represents N; CR9; R1 and R2... | 05/22/2007 |
| 7217297 | Composition for dyeing keratin fibers comprising a defined diheteroylarylmethane direct dye or a leuco precursor of this dye and dyeing method using it Composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, which comprises at least one compound chosen from among the direct dyes of the heteroylarylmethane type defined herein, including diheteroylarylmethane and leuco precursors th... | 05/15/2007 |
| 7217299 | Dye composition comprising at least one direct dye of the azo-pyridinio-pyridone family and at least one different synthetic dye, and process The present invention relates to a dye composition comprising, as direct dye, at least one dye of the azo-pyridinio-pyridone family and at least one synthetic dye different from the first dye. The invention also relates to a process for dyeing keratin fibers,... | 05/15/2007 |
| 7211117 | Composition for dyeing keratin fibers comprising at least one dye chosen from monoheteroyldiarylmethane direct dyes and the leuco precursors thereof and dyeing method using it A composition for dyeing keratin fibers, for example, human keratin fibers, such as hair, comprising at least one dye chosen from heteroyldiarylmethane type direct dyes, for example, monoheteroyidiarylmethane direct dyes, and the leuco precursors thereof; and also t... | 05/01/2007 |
| 7211118 | Composition for dyeing keratin fibers comprising a defined triheteroylmethane direct dye or leuco precursor of this dye and dyeing method using it A composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, comprising at least one dye chosen from heteroylmethane type direct dyes, such as triheteroylmethane direct dyes and leuco precursors of such dyes, as defined herein... | 05/01/2007 |
| 7211116 | Hair dye composition Provided are a hair bleach composition, hair dye composition and a hair treatment additive having excellent bleaching power, capable of dyeing the hair with a bright and good color, and less damaging to the hair and less irritating to the scalp. Described spe... | 05/01/2007 |
| 7204857 | Dyeing method using a specific active methylene compound and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, wh... | 04/17/2007 |
| 7201779 | Dye composition comprising at least one direct dye containing mixed chromophores The invention relates to a dye composition comprising a direct dye consisting of different chromophores, the dye having a particular L*a*b* value. The invention also relates to the dyeing process using this composition and to the use of this composition for d... | 04/10/2007 |
| 7198648 | Coupling component for oxidative hair dyes The invention relates to a method for dyeing keratin fibers, especially human hair. The inventive method comprises the following steps: optionally applying a pretreatment agent M1 to the fiber, using a dye M2 on the fiber which is optionally mixed immediately before... | 04/03/2007 |
| 7195649 | N-aryl-4,5-diaminopyrazoles and dyes containing said compounds N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid wherein R1 and R2 independently of each other denote a hydrogen atom, a straight... | 03/27/2007 |
| 7186276 | Dye composition comprising at least one direct dye, dyeing processes, uses and multi-compartment devices Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col (I) in which Col, which may be identical ... | 03/06/2007 |
| 7179307 | Use of an extract of in oxidation dyeing for dyeing keratin fibres Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibers, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibers using this composition, as well as the colored products obta... | 02/20/2007 |
| 7172633 | Lightening dye composition comprising at least one cationic direct dye containing mixed chromophores The present invention relates to a lightening dye composition comprising, in a suitable dyeing medium, an oxidizing agent, an alkaline agent in an amount such that the pH of the composition is greater than 7, and a mixed cationic dye comprising several chromophores ... | 02/06/2007 |
| 7169194 | Dye composition comprising at least one particular tricationic direct dye, dyeing process, use and multi-compartment devices A dye composition for dyeing human keratin fibers, such as hair, comprising at least one direct tricationic dye of formula (I) below: Col—Z—Col (I) wherein: Col, which may be identical or differ... | 01/30/2007 |
| 7156884 | Compositions and methods for dyeing keratinous fibers Pro-dyes of direct dyes having an enzymatically-labile functionality, e.g. glutaramide derivatives of direct dyes of formula (I) or their physiologically acceptable salts, are described, as well as compositions f... | 01/02/2007 |
| 7141078 | Oxidation dyeing composition for keratinous fiber and dyeing method using same The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular human keratinous fibers such as hair, comprising, in a medium suited for dyeing, (a) as first coupling agent at least a 3,5-diamino-pyridine derivative suitably selected;... | 11/28/2006 |
| 7141079 | Oxidation dyeing composition for keratinous fibers and dyeing method using same The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular human keratinous fibers such as hair comprising, in a medium suited for dyeing: as first coupling agent at least a 3,5-diaminopyridine derivative suitably selected; and a... | 11/28/2006 |
| 7135047 | M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers Agents for coloring keratinic fibers are provided which contain specific m-phenylenediamine derivatives such as N-2-(morpholine-4-yl)ethyl-m-phenylenediamine, N-3-(morpholine-4-yl)propyl-m-phenylenediamine, and N-3-(imidazole-1-yl)-propyl-m-phenylenediamine. ... | 11/14/2006 |
| 7094262 | Dye composition comprising at least one particular dissymetrical polycationic direct dye, dyeing process, use and multi-compartment devices A dye composition for dyeing human keratin fibres, such as hair, comprising at least one dissymmetrical polycationic direct dye of formula (I) below: Col1-Z-Col2 (I) wherein: Col1 and Col2, wh... | 08/22/2006 |
| 7077872 | Oxidation hair dyes containing 3-aminophenol derivatives, and novel 3-aminophenol derivatives The object of the present patent application are agents for dyeing keratin fibers based on a developer-coupler combination and characterized in that they contain at least one 3-aminophenol derivative of formula (I) or a physiologically compatible, water-soluble salt... | 07/18/2006 |
| 7060110 | Dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dye The invention concerns a novel dyeing composition for dying keratinous fibers, in particular human hair, comprising a dicationic monoazo dye, and the dyeing method using said composition and the novel compounds of formulae (I) or (II). ... | 06/13/2006 |
| 7060107 | Compositions for oxidation dyeing keratin fibers comprising at least two particular quaternary polyammoniums and uses thereof Compositions for oxidation dyeing keratin fibers, such as human keratin fibers like hair, comprising, in a dyeing medium, (1) at least one oxidation dye, and (2) a combination comprising at least one cyclohomopolymer of dialkyldiallylammonium and at least one other ... | 06/13/2006 |
