Cosmetic-use polymer, cosmetic employing same, and method of preparing same
AssigneeMitsubishi Chemical Corporation
InventorsTomoaki Hiwatashi, Shinsuke Oouchi, Yasuo Kitani
Life of this patent
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Abstract
A cosmetic-use polymer having a weight average molecular weight of 5.0·103-1.0·107 and comprising a repeating unit having at least the guanidino group denoted by general formula (I) below Formula (I) 1 (where, in the formula, R1 denotes a hydrogen atom or hydrocarbon group, R2 denotes a hydrogen atom or methyl group, X denotes a bivalent connecting group, m denotes 0 or 1, and the guanidino group in the formula is optionally a salt to which an acid has been added) was disclosed.
Claims18
A cosmetic-use polymer having a weight average molecular weight of 5.0·103-1.0·107 and comprising a repeating unit having at least the guanidino group denoted by general formula (I) below
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- (where, in the formula, R1 denotes a hydrogen atom or hydrocarbon group, R2 denotes a hydrogen atom or methyl group, X denotes a bivalent connecting group, m denotes 0 or 1, and the guanidino group in the formula is optionally a salt to which an acid has been added).
A cosmetic comprising a polymer having a weight average molecular weight of 5.0·103-1.0·107 and comprising a repeating unit having at least the guanidino group denoted by general formula (I) below
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- (where, in the formula, R1 denotes a hydrogen atom or hydrocarbon group, R2 denotes a hydrogen atom or methyl group, X denotes a bivalent connecting group, m denotes 0 or 1, and the guanidino group in the formula is optionally a salt to which an acid has been added).
A method of treating keratinous substances comprising the step of applying to a keratinous substance a guanidino group-comprising polymer having a weight average molecular weight of 5.0·103-1.0·107 and comprising a repeating unit having at least the guanidino group denoted by general formula (I) below
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- (where, in the formula, R1 denotes a hydrogen atom or hydrocarbon group, R2 denotes a hydrogen atom or methyl group, X denotes a bivalent connecting group, m denotes 0 or 1, and the guanidino group in the formula is optionally a salt to which an acid has been added).
Dependencies are inferred from the claim text.