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US 7,803,355 B2Granted
Anhydrous paste for bleaching human keratin fibers
OwnerFrédéric Legrandinventor
Life of this patent
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Abstract
Disclosed herein is an anhydrous paste for bleaching human keratin fibers, such as hair, comprising at least one peroxygenated salt, at least one alkaline agent, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2] wherein n ranges from 3 to 9, such as from 3 to 7, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymer comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste.
Claims32
An anhydrous paste for bleaching human keratin fibers, comprising
- at least one peroxygenated salt,
- at least one alkaline agent,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymers comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste;
- wherein said anhydrous paste has a water content less than 1% by weight relative to the total weight of the paste.
2 more elements
An anhydrous paste for bleaching human keratin fibers, comprising:
- from 10% to 70% by weight of at least one peroxygenated salt chosen from sodium persulphate and potassium persulphate, relative to the total weight of the paste,
- from 0.01% to 40% by weight of at least one alkaline agent, relative to the total weight of the paste,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and hydrogenated block copolymers comprising at least one styrene block and at least one block chosen from ethylene/C3-C4 alkylene blocks, relative to the total weight of the paste;
- wherein said anhydrous paste has a water content less than 1% by weight relative to the total weight of the paste.
2 more elements
A method for manufacturing a ready-to-use bleaching composition comprising including in said composition at least one anhydrous paste comprising:
- at least one peroxygenated salt,
- at least one alkaline agent,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas, and diblock, triblock, multiblock and radial-block copolymers comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste;
- wherein said anhydrous paste has a water content less than 1% by weight relative to the total weight of the paste;
- and extemporaneously including in said composition at least one aqueous hydrogen peroxide composition.
3 more elements
A method for manufacturing a ready-to-use bleaching composition comprising including in said composition at least one anhydrous paste comprising
- from 10% to 70% by weight of at least one peroxygenated salt chosen from sodium persulphate and potassium persulphate, relative to the total weight of the paste,
- from 0.01% to 40% by weight of at least one alkaline agent, relative to the total weight of the paste,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas, and hydrogenated block copolymers comprising at least one styrene block and at least one block chosen from ethylene/C3-C4 alkylene blocks, relative to the total weight of the paste;
- wherein said anhydrous paste has a water content less than 1% by weight relative to the total weight of the paste;
- and extemporaneously including in said composition at least one aqueous hydrogen peroxide composition.
3 more elements
A ready-to-use bleaching composition, comprising
- (1) at least one anhydrous paste comprising
- at least one peroxygenated salt,
- at least one alkaline agent,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymers comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste;
- and
- (2) at least one aqueous hydrogen peroxide composition;
- wherein the at least one anhydrous paste is mixed with the at least one aqueous hydrogen peroxide composition immediately before use.
5 more elements
A ready-to-use bleaching composition, comprising
- (1) at least one anhydrous paste comprising:
- from 10% to 70% by weight of at least one peroxygenated salt chosen from sodium persulphate and potassium persulphate, relative to the total weight of the paste,
- from 0.01% to 40% by weight of at least one alkaline agent, relative to the total weight of the paste,
- from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and
- from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and hydrogenated block copolymers comprising at least one styrene block and at least one block chosen from ethylene/C3-C4 alkylene blocks, relative to the total weight of the paste;
- and
- (2) at least one aqueous hydrogen peroxide composition;
- wherein the at least one anhydrous paste is mixed with the at least one aqueous hydrogen peroxide composition immediately before use.
5 more elements
A process for bleaching human keratin fibers, comprising:
- mixing, immediately before use, at least one anhydrous paste comprising at least one peroxygenated salt, at least one alkaline agent, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymers comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste with at least one aqueous hydrogen peroxide composition,
- applying the mixture obtained to at least one area of the keratin fibers to be bleached,
- leaving the mixture to act for a period of time that is sufficient to obtain a desired bleaching, and
- removing the bleaching mixture by rinsing with water, optionally followed by washing with a shampoo and then drying.
1 more element
A process for bleaching human keratin fibers, comprising:
- mixing, immediately before use, at least one anhydrous paste comprising from 10% to 70% by weight of at least one peroxygenated salt chosen from sodium persulphate and potassium persulphate, relative to the total weight of the paste, from 0.01% to 40% by weight of at least one alkaline agent, relative to the total weight of the paste, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and hydrogenated block copolymers comprising at least one styrene block and at least one block chosen from ethylene/C3-C4 alkylene blocks, relative to the total weight of the paste with at least one aqueous hydrogen peroxide composition,
- applying the mixture obtained to at least one area of the keratin fibers to be bleached,
- leaving the mixture to act for a period of time that is sufficient to obtain a desired bleaching, and
- removing the bleaching mixture by rinsing with water, optionally followed by washing with a shampoo and then drying.
1 more element
A multi-compartment device for bleaching human keratin fibers, comprising
- at least one compartment comprising an anhydrous paste comprising at least one peroxygenated salt, at least one alkaline agent, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymers comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste, and
- at least one other compartment comprising an aqueous hydrogen peroxide composition.
A multi-compartment device or for bleaching human keratin fibers, comprising
- at least one compartment comprising an anhydrous paste comprising from 10% to 70% by weight of at least one peroxygenated salt chosen from sodium persulphate and potassium persulphate, relative to the total weight of the paste, from 0.01% to 40% by weight of at least one alkaline agent, relative to the total weight of the paste, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2], wherein n ranges from 3 to 9, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and hydrogenated block copolymers comprising at least one styrene block and at least one block chosen from ethylene/C3-C4 alkylene blocks, relative to the total weight of the paste, and
- at least one other compartment comprising an aqueous hydrogen peroxide composition.
Dependencies are inferred from the claim text.