Cosmetic composition
First Claim
1. A polyol glyceryl ether represented by the formula (2'"'"') ##STR28## wherein G, A, B, x and y are as follows:
- G is a trimethylolalkane residual group represented by formula (3a) or a pentaerythritol residual group represented by formula (3b);
##STR29## wherein n is an integer of 0-4, or a residual group obtained by removing hydrogen atoms from all the hydroxy groups of a polyol having four or more hydroxyl groups excepting sucrose, fructofuranose, fructopyranose, polyglycerol and glucopyranose;
each A is independently an alkylene group having 2-4 carbon atoms;
each B is independently a hydrogen atom or a --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR30## wherein R4'"'"' is a branched alkyl group having 10-36 carbon atoms, provided that at least one of said B groups is --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR31## x is a number of 0-10 obtained by dividing, by y, the total mol number of added alkylene oxide to the hydroxyl groups of the trimethylolalkane or polyol; and
y is the number of hydroxyl groups of the trimethylolalkane or polyol,wherein said polyol glyceryl ether has a lamellar liquid crystal structure at 25°
C. and at 50°
C. or higher.
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Accused Products
Abstract
A cosmetic composition comprises:
(A) a nonionic amphipathic compound having in the molecule thereof at least one branched alkyl or alkenyl group having 10-36 carbon atoms and at least three hydroxyl groups, and having a lamellar liquid crystal structure itself at 25° C. and at 50° C. or higher; and
(B) a compound represented by formula (1): ##STR1## wherein R1 is a hydrogen atom, a lower alkyl group or a group ##STR2## R2 is a hydrogen atom, a methyl group or a methoxy group; R3 is a direct bond or a saturated or unsaturated divalent hydrocarbon group having 1 to 3 carbon atoms; each Y and each Z are independently hydrogen atoms or hydroxyl groups; and p, q and r are each independently integers of 0 to 5, excepting the case where all of p, q and r are zero and Z is H, and the case where all of p, q and r are zero, R1 is H and Z is OH.
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Citations
14 Claims
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1. A polyol glyceryl ether represented by the formula (2'"'"') ##STR28## wherein G, A, B, x and y are as follows:
- G is a trimethylolalkane residual group represented by formula (3a) or a pentaerythritol residual group represented by formula (3b);
##STR29## wherein n is an integer of 0-4, or a residual group obtained by removing hydrogen atoms from all the hydroxy groups of a polyol having four or more hydroxyl groups excepting sucrose, fructofuranose, fructopyranose, polyglycerol and glucopyranose;each A is independently an alkylene group having 2-4 carbon atoms; each B is independently a hydrogen atom or a --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR30## wherein R4'"'"' is a branched alkyl group having 10-36 carbon atoms, provided that at least one of said B groups is --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR31## x is a number of 0-10 obtained by dividing, by y, the total mol number of added alkylene oxide to the hydroxyl groups of the trimethylolalkane or polyol; and y is the number of hydroxyl groups of the trimethylolalkane or polyol, wherein said polyol glyceryl ether has a lamellar liquid crystal structure at 25°
C. and at 50°
C. or higher. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- G is a trimethylolalkane residual group represented by formula (3a) or a pentaerythritol residual group represented by formula (3b);
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14. A method of preparing a polyol glyceryl ether represented by formula (2'"'"') ##STR43## wherein G, A, B, x and y have the following meanings:
- G is a trimethylolalkane residual group represented by formula (3a) or a pentaerythritol residual group represented by formula (3b);
##STR44## wherein n is an integer of 0-4, or a residual group obtained by removing hydrogen atoms from all the hydroxyl groups of a polyol having four or more hydroxyl groups, excepting sucrose, fructofuranose, fructopyranose and glucopyranose;each A is independently an alkylene group having 2-4 carbon atoms; each B is independently a hydrogen atom or --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR45## wherein R4'"'"' is a branched alkyl group having 16-36 carbon atoms, provided that at least one of said B groups is --CH2 CH(OH)CH2 OR4'"'"' and/or ##STR46## x is a number of 0-10 obtained by dividing, by y, the total mol number of added alkylene oxide to the hydroxyl groups of the trimethylolalkane or polyol; y is the number of hydroxyl groups of the trimethylolalkane or polyol; said method comprising reacting a trimethylolalkane, a polyol having four or more hydroxyl groups, excepting sucrose, fructofuranose, fructopyranose, polyglycerol and glucopyranose, or a compound thereof represented by formula (9);
##STR47## wherein G, A, x and y have the aforementioned meanings, and a glycidyl branched alkyl ether represented by formula (10);
##STR48## wherein R4'"'"' is a branched alkyl group having 16-36 carbon atoms, in the presence of a basic catalyst.
- G is a trimethylolalkane residual group represented by formula (3a) or a pentaerythritol residual group represented by formula (3b);
Specification