Compositions and methods of improving the quality of human hair with stable methylol compounds
阅读：393发布：2022-05-18
专利汇可以提供Compositions and methods of improving the quality of human hair with stable methylol compounds专利检索，专利查询，专利分析的服务。并且Methylol compounds which do not liberate free formol and are therefore suitable for cosmetic use, compositions including said compounds, and methods of using said compositions to improve the cosmetic properties of human hair. Exemplary methylol compounds are the methylolureas, and they may be prevented from liberating harmful amounts of free formol by including therein an electrophile group selected from among those responding to the formula:
IN WHICH X is selected from the group consisting of an oxygen atom and a sulfur atom and R'''' is selected from the group consisting of a hydrogen atom, an alkyl radical and an NH2 group.，下面是Compositions and methods of improving the quality of human hair with stable methylol compounds专利的具体信息内容。
2. The method of claim 1 wherein said acidic catalyst is applied simultaneously with said methylol compound.
3. The method of claim 1 wherein said acid catalyst is applied before application of said methylol compound.
4. The method of claim 1 wherein said acid catalyst is applied subsequent to the application of said methylol compound.
5. A method foR treating degraded hair to improve the strength and appearance thereof comprising applying to said hair in amounts effective to improve the strength and appearance thereof a cosmetic composition comprising a solution in a solvent selected from the group consisting of water and aqueous ethyl alcohol solution of a methylol compound selected from the group consisting of monomethylol ethyl carbamate, dimethylol methylene ethyl bis-carbamate, dimethylol succinamide, monomethylol guanidine carbonate, N-methylol paratoluene sulfamide, dimethylol adipamide, N,N''-dimethylol-(2-methyl-2-propyl)-propylene bis-carbamate, monomethylol dimethyl hydantoin, monomethylol ethyleneurea, monomethylol ethylene thiourea and dimethylol ethylene thiourea, said compound being present in amounts of about 0.1-10 percent by weight of said composition, polymerizing said methylol compound on said hair by applying thereto an acidic catalyst in amounts sufficient to cause polymerization of said methylol compound, said catalyst being selected from the group consisting of phosphoric acid, acetic acid, lactic acid, sulfuric acid, citric acid and monosodium phosphate and drying said hair.
6. A method for treating degraded hair to improve the strength and appearance thereof comprising applying to said hair in amounts effective to improve the strength and appearance thereof a cosmetic composition comprising a solution in a solvent selected from the group consisting of water and aqueous ethyl alcohol solution of a mixture of (a) a methylol compound selected from the group consisting of monomethylol dimethylhydantoin, monomethylol ethylene urea, dimethylol ethylene thiourea, monomethylol ethyl carbamate, dimethylol ethylene ethyl bis-carbamate, dimethylol succinamide, monomethylolethylene thiourea, dimethylolthiourea, dimethylolurea, monomethylolurea, monomethylolthiourea, trimethylol melamine, monomethyloldicyandiamide, bismethoxymethylurea, monomethylol guanidine, N,N''-dimethylol-(2-methyl,2-propyl) propylene bis-carbamate, dimethylol adipamide, N,N-diethyl-N''-methylolurea, N, N-dimethylol ethyleneurea, dimethylol ethyl carbamate and tetramethylol acetylenediurea and (b) a nitrogen derivative selected from the group consisting of urea, melamine, dicyandiamide, N,N-diethylurea, ethyleneurea, isopropyl carbamate, dimethyl hydantoin, ethylene thiourea, guanidine carbonate and succinamide, said methylol compound being present in amounts of 0.5-12 percent by weight of said composition, said nitrogen derivative being present in amounts such that the number of NH2 groups supplied by said nitrogen derivative is between 0.1-1.0 times the number of methylol groups supplied by said methylol compound, polymerizing said methylol compound on said hair by applying thereto an acidic catalyst in amounts sufficient to cause polymerization of said methylol compound, said catalyst being selected from the group consisting of phosphoric acid, acetic acid, lactic acid, sulfuric acid, citric acid and sodium acid phosphate, and drying said hair.
7. The method of claim 6 wherein said acidic catalyst is applied simultaneously with said methylol compound.
8. The method of claim 6 wherein said acidic catalyst is applied before application of said methylol compound.
9. The method of claim 6 wherein said acidic catalyst is applied subsequent to the application of said methylol compound.
10. A cosmetic composition for treating degraded hair to improve the strength and appearance thereof, said composition comprising a solution in a solvent selected from the gorup consisting of water and aqueous ethyl alcohol solution of a mixture of (a) a methylol compound selected from the group consisting of monomethylol dimethylhydantoin, monomethylol ethylene urea, dimethylol ethylene thiourea, monomethylol ethyl carbamate, dimethylol ethylene ethyl bis-carbamate, dimethylol succinamide, monomethylolethylene thiourea, dimethylolthiourea, dimethylolurea, monometHylolurea, monomethylolthiourea, trimethylol melamine, monomethyloldicyandiamide, bismethoxymethylurea, monomethylol guanidine, N,N''-dimethylol-(2-methyl,2-propyl)propylene bis-carbamate, dimethylol adipamide, N, N-diethyl N''-methylolurea, N,N-dimethylol ethyleneurea, dimethylol ethylcarbamate and tetramethylol acetylenediurea and (b) a nitrogen derivative selected from the group consisting of urea, melamine, dicyandiamide, N,N-diethylurea, ethylene urea, isopropyl carbamate, dimethyl hydantoin, ethylene thiourea, guanidine carbonate and succinamide, said methylol compound being present in amounts of 0.5-12 percent by weight of said composition and said nitrogen derivative being present in amounts such that the number of NH2 groups supplied by said nitrogen derivative is between 0.1-1.0 times the number of methylol groups supplied by said methylol compound.
11. A method for treating degraded hair to improve the strength and appearance thereof comprising applying to said hair in amounts effective to improve the strength and appearance thereof a cosmetic omposition comprising a solution in a solvent selected from the group consisting of water and aqueous ethyl alcohol solution of a compound of the formula
12. The method of claim 11 wherein said acidic catalyst is applied simultaneously with said methylol compound.
13. The method of claim 11 wherein said acidic catalyst is applied before application of said methylol compound.
14. The method of claim 11 wherein said acidic catalyst is applied subsequent to the application of said methylol compound.
15. A pressurized sprayable aerosol composition for treating degraded hair to improve the strength and appearance thereof comprising an ethanolic solution of a compound of the formula
16. A method for treating degraded hair to improve the strength and appearance thereof comprising applying to said hair in amounts effective to improve the strength and appearance thereof a cosmetic composition comprising a solution in a solvent selected from the group consisting of water and aqueous ethyl alcohol solution of a compound selected from the group consisting of bis-methoxymethylurea, methoxymethylurea, ethoxymethylurea, isopropyloxymethylurea, trimethoxymethylmelamine, ethyl dimethoxymethylcarbamate, bismethoxymethyladipamide and bis-butoxy-methylurea, said composition containing 0.2-10 percent by weight of said compound, polymerizing said compound on said hair by applying thereto an acidic catalyst in amounts sufficient to cause polymerization of said compound, said catalyst being selected from the group consisting of phosphoric, acetic, lactic, sulfuric and citric acid and drying said hair.
17. The method of claim 16 wherein said acidic catalyst is applied simultaneously with said compound.
18. The method of claim 16 wherein said acidic catalyst is applied before application of said compound.
19. The method of claim 16 wherein said acidic catalyst is applied subsequent to the application of said compound.
20. A method for treating degraded hair to improve the strength and appearance thereof comprising applying to said hair in amounts effective to improve the strength and appearance thereof a cosmetic composition comprising a solution in a solvent selected from the group consisting of water and aqueous ethyl alcohol solution of a compound selected from the group consisting of monomethylolurea and monomethylolthiourea, said compound being present in amounts of 0.2-10 percent by weight of said composition, polymerizing said compound on said hair by applying thereto an acidic catalyst in amounts sufficient to cause polymerization of said compound, said catalyst being selected from the group consisting of phosphoric, sulfuric, acetic, citric and lactic acid, and heating said hair at a temperature between 35*-50* C for a period of about 20-40 minutes.
21. The method of claim 20 wherein said acidic catalyst is admixed with said composition, the pH of said composition ranging between 1.5-5.0.
22. The method of claim 20 wherein said acidic catalyst is applied before application of said composition.
23. The method of claim 20 wherein said acidic catalyst is applied subsequent to the application of said composition and prior to heating said hair.
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