Claims
- 1. A process for dyeing human hair comprising applying to washed and rinsed hair an effective amount of a hair dyeing composition comprising a water-alcohol solution, having a pH between 3 and 11.5, of 0.001 to 5% by weight of at least one compound of the formula ##STR71## wherein Z is lower alkyl having 1-6 carbon atoms and substituted by --OH, and
- each of R.sub.1 and R.sub.2 is hydrogen or alkyl having 1 to 6 carbon atoms,
- the --NO.sub.2 substituent is in the 2, 3, 4, 5 or 6 position on the ring and the --NR.sub.1 R.sub.2 substituent occupies any remaining position on the ring,
- said alcohol being present in an amount from 20 to 75% by weight of the composition and being a lower alcohol having from 1 to 4 carbon atoms; said water-alcohol solution containing 1 to 3% by weight of a cosmetic resin selected from polyvinylpyrrolidone, a copolymer of crotonic acid and vinyl acetate, a copolymer of vinylpyrrolidone and vinyl acetate, a copolymer of methyl vinyl ether and maleic anhydride, a copolymer of the ethyl, isopropyl or butyl ester of maleic anhydride with methyl vinyl ether or a copolymer of maleic anhydride and butyl vinyl ether; setting the hair; and drying said hair.
- 2. The process of claim 1 wherein said compound is (3-nitro-4-amino) phenoxyethanol.
- 3. A process for dyeing human hair comprising applying to the hair an effective amount of a hair dye composition which contains in aqueous or water-alcohol solution, having a pH between 3 and 11.5, 0.001 to 5% by weight of at least one compound of the formula ##STR72## wherein Z represents a substituted lower alkyl radical selected from the group consisting of carbalkoxyaminoalkyl, alkoxyalkyl, N,N-dialkylcarbamylalkyl, acylaminoalkyl, ureidoalkyl, mesylaminoalkyl and ##STR73## group wherein n is a whole number ranging from 1 to 6 and X.sup..crclbar. is an anionic residue, and
- each of R.sub.1 and R.sub.2 is hydrogen, lower alkyl having 1 to 6 carbon atoms or lower alkyl having 1 to 6 carbon atoms and substituted by a member selected from the group consisting of --OH, --NH.sub.2, --N(R.sub.3).sub.2, --COOH, --CONH.sub.2 and --RCOOR', wherein R.sub.3 is hydrogen or lower alkyl having 1 to 6 carbon atoms and R and R' are lower alkyl having 1 to 6 carbon atoms, the --NO.sub.2 substituent is in the 2, 3, 4, 5 or 6 position on the ring and the --NR.sub.1 R.sub.2 substituent occupies any remaining position on the ring, leaving said composition in contact with the hair for a period between 5 and 25 minutes, rinsing or washing the hair and thereafter drying the hair.
- 4. A compound selected from the group consisting of
- (4-nitro-2-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-carbamylmethylamino)phenoxyethanol,
- (3-nitro-6-carboxymethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-diethylaminoethylamino)phenoxyethanol,
- (5-nitro-2-carbamylethylamino)phenoxyethanol,
- (5-nitro-2-carboxyethylamino)phenoxyethanol and
- (2-nitro-4-N,N-di-.beta.-hydroxyethylamino)phenoxyethanol.
- 5. The compound of claim 4 which is (4-nitro-2-.beta.-hydroxyethylamino)phenoxyethanol.
- 6. The compound of claim 4 which is (3-nitro-6-.beta.-hydroxyethylamino)phenoxyethanol.
- 7. The compound of claim 4 which is (3-nitro-6-carbamylmethylamino)phenoxyethanol.
- 8. The compound of claim 4 which is (3-nitro-6-carboxymethylamino)phenoxyethanol.
- 9. The compound of claim 4 which is (3-nitro-6-.beta.-diethylaminoethylamino)phenoxyethanol.
- 10. The compound of claim 4 which is (5-nitro-2-carbamylethylamino)phenoxyethanol.
- 11. The compound of claim 4 which is (5-nitro-2-carboxyethylamino)phenoxyethanol.
- 12. The compound of claim 4 which is (2-nitro-4,N,N-di-.beta.-hydroxyethylamino)phenoxyethanol.
- 13. A dye composition for human hair comprising an aqueous or water-alcohol solution, having a pH between 3 and 11.5, of 0.001 to 5% by weight of at least one compound selected from the group consisting of
- (4-nitro-2-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-carbamylmethylamino)phenoxyethanol,
- (3-nitro-6-carboxymethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-diethylaminoethylamino)phenoxyethaanol,
- (5-nitro-2-carbamylethylamino)phenoxyethanol,
- (5-nitro-2-carboxyethylamino)phenoxyethanol and
- (2-nitro-4-N,N-di-.beta.-hydroxyethylamino)phenoxyethanol.
- 14. A process for dyeing human hair comprising contacting the hair with an effective amount of a composition comprising an aqueous or water-alcohol solution, having a pH between 3 and 11.5, of 0.001 to 5% by weight of a compound selected from the group consisting of
- (4-nitro-2-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-carbamylmethylamino)phenoxyethanol,
- (3-nitro-6-carboxymethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-diethylaminoethylamino)phenoxyethanol,
- (5-nitro-2-carbamylethylamino)phenoxyethanol,
- (5-nitro-2-carboxyethylamino)phenoxyethanol and
- (2-nitro-4-N,N-di-.beta.-hydroxyethylamino)phenoxyethanol.
- 15. A process for dyeing human hair comprising applying to washed and rinsed hair an effective amount of a hair dyeing composition comprising a water-alcohol solution, having a pH between 3 and 11.5, of 0.001 to 5% by weight of at least one compound selected from the group consisting of
- (4-nitro-2-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-hydroxyethylamino)phenoxyethanol,
- (3-nitro-6-carbamylmethylamino)phenoxyethanol,
- (3-nitro-6-carboxymethylamino)phenoxyethanol,
- (3-nitro-6-.beta.-diethylaminoethylamino)phenoxyethanol,
- (5-nitro-2-carbamylethylamino)phenoxyethanol,
- (5-nitro-2-carboxyethylamino)phenoxyethanol and
- (2-nitro-4-N,N-di-.beta.-hydroxyethylamino)phenoxyethanol,
- said alcohol being present in an amount from 20 to 75% by weight of said composition and being a lower alcohol having from 1 to 4 carbon atoms; said water-alcohol solution containing 1 to 3% by weight of a cosmetic resin selected from polyvinyl pyrrolidone, a copolymer of crotonic acid and vinyl acetate, a copolymer of vinylpyrrolidone and vinyl acetate, a copolymer of methyl vinyl ether and maleic anhydride, a copolymer of the ethyl, isopropyl or butyl ester of maleic anhydride with methyl vinyl ether, or a copolymer of maleic anhydride and butyl vinyl ether, setting the hair, and drying said hair.
Priority Claims (2)
Number |
Date |
Country |
Kind |
74 36651 |
Nov 1974 |
FRX |
|
76 18985 |
Apr 1976 |
FRX |
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Parent Case Info
This is a continuation, of application No. 682,798 filed May 3, 1976, now U.S. Pat. No. 4,337,061, which is a continuation-in-part of Ser. No. 628,999, filed Nov. 5, 1975, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (3)
Number |
Date |
Country |
2132214 |
Mar 1975 |
FRX |
120081 |
Oct 1918 |
GBX |
1171104 |
Nov 1969 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Chemical Abstracts, vol. 41, Cols. 5484-5485, (1947). |
Continuations (1)
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Number |
Date |
Country |
Parent |
682798 |
May 1976 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
628999 |
Nov 1975 |
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