IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0095657
(2002-03-12)
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발명자
/ 주소 |
- Patel, Jitendra
- Newell, Gerald Patrick
- Fowler, Margie
- Kim, Elizabeth
- Pascual, Fe P
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출원인 / 주소 |
- Unilever Home & Personal Care USA division of Conopco, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
29 인용 특허 :
34 |
초록
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A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about
A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about 5 minutes with a recently made mixture of: part ai: dye intermediates in water and fatty alcohol at alkaline pH,part aii: an oxidizing compound such as hydrogen peroxide in water at acidic pH b.) rinsing said mixture from said hair with water; and wherein said number of treatments is between about 2 to about 30; andwherein said set time interval between each two consecutive treatments is between about 8 hours and 30 days.
대표청구항
▼
A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about
A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about 5 minutes with a recently made mixture of: part ai: dye intermediates in water and fatty alcohol at alkaline pH,part aii: an oxidizing compound such as hydrogen peroxide in water at acidic pH b.) rinsing said mixture from said hair with water; and wherein said number of treatments is between about 2 to about 30; andwherein said set time interval between each two consecutive treatments is between about 8 hours and 30 days. 1-naphthol; 1,5-dihydroxynaphthalene; 2,7-dihydroxynaphthalene; 2-methylresorcinol; 1-hydroxy-6-aminonaphthalene-3-sulfonic acid; thymol (2-isopropyl-5-methylphenol); 1,5-dihydroxy-1,2,3,4-tetrahydronaphthalene; 2-chlororesorcinol; 2,3-dihydroxy-1,4-naphthoquinone; 1-naphthol-4-sulfonic acid; m-phenylenediamine; 2-(2,4-diaminophenoxy)ethanol; N,N-bis(hydroxyethyl)-m-phenylenediamine; 2,6-diaminotoluene; N,N-bis(hydroxyethyl)-2,4-diaminophenetole; bis(2,4-diaminophenoxy)-1,3-propane; 1-hydroxyethyl-2,4-diaminobenzene; 2-amino-4 hydroxyethylaminoanisole; aminoethoxy-2,4-diaminobenzene; 2,4-diaminophenoxyacetic acid; 4,6-bis(hydroxyethoxy)-m-phenylenediamine; 2,4-diamino-5-methylphenetole; 2,4-diamino-5-hydroxyethoxytoluene; 2,4-dimethoxy 1,3-diaminobenzene; 2,6-bis(hydroxyethylamino)toluene; 2-hydroxy-4-carbamoylmethylaminotoluene; m-carbamoylmethylaminophenol; 6-hydroxybenzomorpholine; 2-hydroxy-4-aminotoluene; 2-hydroxy-4-hydroxyethylaminotoluene; 4,6-dichloro-m-aminophenol; 2-methyl-m-aminophenol; 2-chloro-6-methyl-m-aminophenol; 2-hydroxyethoxy-5-aminophenol; 2-chloro-5-trifluoroethylaminophenol; 4-chloro-6-methyl-m-aminophenol; N-cyclopentyl-3-aminophenol; N-hydroxyethyl-4-methoxy-2-methyl-m-aminophenol; 5-amino-4-methoxy-2-methylphenol; 2-dimethylamino-5-aminopyridine; 2,4,5,6-tetra-aminopyrimidine; 4,5-diamino-1-methylpyrazole; 1-phenyl-3-methyl-5-pyrazolone; 6-methoxy-8-aminoquinoline; 2,6-dihydroxy-4-methylpyridine; 5-hydroxy-1,4-benzodioxane; 3,4-methylenedioxyphenol; 4-hydroxyethylamino-1,2-methylenedioxybenzene; 2,6-dihydroxy-3,4-dimethylpyridine; 5-chloro-2,3-dihydroxypyridine; 3,5-diamino-2,6-dimethoxypyridine; 2-hydroxyethylamino-6-methoxy-3-aminopyridine; 3,4-methylenedioxyaniline; 2,6-bis-hydroxyethoxy-3,5-diaminopyridine; 4-hydroxyindole; 3-amino-5-hydroxy-2,6-dimethoxypyridine; 5,6-dihydroxyindole; 7-hydroxyindole; 5-hydroxyindole; 2-bromo-4,5-methylenedioxyphenol; 6-hydroxyindole; 3-amino-2-methylamino-6-methoxypyridine; 2-amino-3-hydroxypyridine; 2,6-diaminopyridine; 5-(3,5-diamino-2-pyridyloxy)-1,3-dihydroxypentane; 3-(3,5-diamino-2-pyridyloxy)-2-hydroxypropanol; 4-hydroxy-2,5,6-triaminopyrimidine; or combinations thereof. 4. A method according to claim 1, wherein part ai, prior to mixture with said part aii, has a pH of about 8 to about 10.5. A method according to claim 1, wherein part aii, prior to mixture with part ai, has a pH of about 3 to about 5.6. A method according to claim 1, wherein said alkaline composition according to part ai comprises: A.) from about 0.05% to about 1.0% of a dye intermediate; B.) from about 0.1% to about 0.50% of a coupler; and C.) from about 1% to about 99% of an aqueous base and fatty alcohol. 7. A method according to claim 1 wherein part aii comprises: A.) from about 1% to about 99% of an aqueous base and fatty alcohol; B.) from about 0.5% to about 2.5% of a volatile silicone; and C.) from about 0.1% to about 5%, of an oxidizing compound. 8. A method according to claim 1 wherein said period for contacting said hair is between about 1 minute and 3 minutes.9. A method according to claim 1 wherein said set time interval between each two consecutive treatments is between about 1 day and about 3 days.10. A method according to claim 1 wherein said hair has combing force in the range of 5 to 55 gm force.11. A method according to claim 1 wherein said hair has combing index in the range of 1.1 to 4.0.12. A method according to claim 1 wherein said hair has break stress in the range of 0.005 to 0.03 gmforce/micron.13. A method according to claim 1 wherein said composition delivers delta E of 0.1 to 65 on blonde hair and delta E of 0.1 to 8 on brown hair.14. A method according to claim 1 wherein said hair has a ratio IR absorption at 1040 cm-1/1240 cm-1 in the range o f 0.01 to 1.5.15. A method according to claim 1 wherein said oxidizing compound is selected from the group consisting of hydrogen peroxide, urea peroxide, melamine peroxide, sodium perborate and sodium percarbonate.16. A method according to claim 1 wherein part ai comprises from about 35% to about 98.9% water.17. A method according to claim 1, wherein the mixture of part ai and part aii has a neat viscosity of from about 500 cps to about 60,000 cps at 26.7degree C., as measured by a Brookfield RVTDCP with a spindle CP-41 at 1RPM for 3 minutes.18. A method for maintaining hair color through the use of a permanent hair dye which comprises subjecting said hair to successive treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises: a.) contacting said hair for a period of about 5 seconds to about 3 minutes with a recently made mixture of: part ai dye intermediates in water and fatty alcohol at alkaline PH;part aii oxidizing compound in water and fatty alcohol at acidic pH; b.) rinsing said mixture from said hair with water; and wherein said number of treatments is at least 7, said set time interval between each two consecutive treatments is between about 8 hours and 30 days.19. A method according to claim 1 wherein said dye intermediate in part ai is present at about 0.1% to about 1%.20. A method according to claim 1 wherein said oxidizing compound in part aii is present at about 2% to about 5%.21. A dispenser for dispensing simultaneously or nearly simultaneously part ai and part aii according to claim 1, which comprises: A.) a means for holding part ai and part aii in physically separate locations; B.) a means for protecting part ai and part aii from air prior to dispensing; C.) a means for dispensing part ai and part aii in equal amounts and in physical proximity to each other. 22. A method according to claim 1 wherein part ai and part aii are mixed by hand.23. A method according to claim 1 which comprises rinsing said mixture of part ai and part aii from said hair with water in a shower.
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