US5114429A
Expired / Lapsed
US
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Aliphatic alpha, omega-diamine compounds and their use in hair dyeing
Assignee: L'Oréal SA
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Filing: 1989-09-06
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Granted: 1992-05-19
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Expires: 2009-09-06
Abstract
Abstract The invention relates to the new compounds consisting of N,N'-bis(β-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diamino-2-propanol and N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine, and their use in keratinous fiber dyeing compositions and processes.
Inventors
- 👤 Alex Junino
- 👤 Alain Genet
- 👤 Gerard Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:43
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/411; A61Q; A61Q5/00; A61Q5/10; C; C07; C07C; C07C211/00; C07C211/43; C07C211/44; C07C211/53; C07C215/00; C07C215/02; C07C215/04; C07C215/06; C07C215/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
9 words
N,N'-Bis(β-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diamino-2-propanol or one of its addition salts with acids.
Claim 2
Dependent Claim
9 words
N,N'-Bis(β-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diamino-2-propanol or one of its addition salts with acids.
Claim 3
Dependent Claim
10 words
N,N'-Bis(ethyl)-N,N'-bis(4'-amino -3'-methylphenyl)-ethylenediamine or one of its addition salts with acids.
Claim 4
Dependent Claim
10 words
N,N'-Bis(ethyl)-N,N'-bis(4'-amino -3'-methylphenyl)-ethylenediamine or one of its addition salts with acids.
Claim 5
Dependent Claim
67 words
A composition for dyeing keratinous fibres, in particular for hair, comprising, an effective concentration of an oxidation dye precursor selected from the group consisting of N,N'-bis(β-hydroxyethyl) -N,N'-bis (4'-aminoinophenyl)-1,3-diamino -2-propanol, N,N'-bis(ethyl)-N,N-40 -bis (4'-amino-3'-methylphenyl)ehtylenediamine, acid addition salts of N,N'-bis(β-hydroxyethyl) -N,N'-bis (4'-amino-phenyl)-1,3-diamino -2-propanol and N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl) ethylenediamine and a carrier suitable for dyeing said fibres, wherein said effective concentration is sufficient, upon oxidative coupling of said precursor, to dye said fibres.
Claim 6
Dependent Claim
67 words
A composition for dyeing keratinous fibres, in particular for hair, comprising, an effective concentration of an oxidation dye precursor selected from the group consisting of N,N'-bis(β-hydroxyethyl) -N,N'-bis (4'-aminoinophenyl)-1,3-diamino -2-propanol, N,N'-bis(ethyl)-N,N-40 -bis (4'-amino-3'-methylphenyl)ehtylenediamine, acid addition salts of N,N'-bis(β-hydroxyethyl) -N,N'-bis (4'-amino-phenyl)-1,3-diamino -2-propanol and N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl) ethylenediamine and a carrier suitable for dyeing said fibres, wherein said effective concentration is sufficient, upon oxidative coupling of said precursor, to dye said fibres.
Claim 7
Dependent Claim
87 words
The composition fo claim 3, further comprising at least one coupler, wheein said couplers are selected from the group consisting of couplers that, in the presence of an oxidizing agent, react with said precursors to form dyes and wherein the concentration of said couplers is sufficient for formation of said dye, and wherein said couplers are selected from the group consisting of phenols, meta-diphenols, meta-phenylenediamines, meta-aminophenols, heterocyclic couplers derived from pyridine, sesamol and its derivatives, mono- or polyhydroxylated derivatives of naphthalene and of aminonaphthaline, pyrazolones and benzomorpholines.
Claim 8
Dependent Claim
24 words
The composition of claim 3, wherein said effective concentration is between 0.05 and 12% by weight relative to the total weight of the composition.
Claim 9
Dependent Claim
14 words
The composition of claim 3, said carrier is water which has an alkaline pH.
Claim 10
Dependent Claim
26 words
The composition of claim 4, wherein the concentration of said couplers is between 0.05 and 10% by weight relative to the total weight of the composition.
Claim 11
Dependent Claim
27 words
A process for dyeing keratinous fibres, comprising applying an effective amount of the composition of claim 3 to said fibres in the presence of an oxidizing solution.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1995-05-19 | 1995-11-18 | 1996-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-19 | 1999-11-18 | 2000-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-19 | 2003-11-18 | 2004-05-19 | $7700.00 | Window Closed / Lapsed |