US 5,108,751 A · Cosmetic composition comprising 2-hydroxyalkenoic acids or a mixture thereof

Abstract

The invention concerns 2-hydroxyalkenoic acids within a general formula ##STR1## where R' is chosen from: a. C.sub.w H.sub.2w, b. C.sub.y H.sub.2y-1, and c. C.sub.y H.sub.2y OZ where z is chosen from H, R" and (CH.sub.2).sub.n OR" R" is chosen from C.sub.m H.sub.2m+1 and (CH.sub.2).sub.n OC.sub.m H.sub.2m+1 ; w is an integer of from 1 to 25 y is an integer of from 2 to 25 m is an integer of from 1 to 4 n is an integer of from 1 to 6 Many compounds within the formula are novel and are claimed as such. The invention also provides a process for making the compounds, and compositions for topical application to human skin, hair or nails which contain compounds of the above formula and a cosmetically acceptable vehicle.

Claims8

Dependent claims

A cosmetically acceptable composition for topical application to human skin or hair, which comprises:

i. from 0.1 to 99.9% by weight of a 2-hydroxyalkenoic acid having the structure (20) ##STR15## where R" is selected from the group consisting of:
a. C.sub.w H.sub.2w,
b. C.sub.y H.sub.2y-1, and
c. C.sub.y H.sub.2y OZ
where
Z is selected from the group consisting of:
H, R" and (CH.sub.2).sub.n OR"
R" is selected from the group consisting of:
C.sub.m H.sub.2m+1 and (CH.sub.2).sub.n OC.sub.m H.sub.2m+1 ;
w is an integer of from 1 to 25
y is an integer of from 2 to 25
m is an integer of from 1 to 4
n is an integer of from 1 to 6;
and
ii. from 0.1 to 99.9% by weight of a cosmetically acceptable vehicle for the acid.

12 more elements

Dependencies are inferred from the claim text.

Cosmetic composition comprising 2-hydroxyalkenoic acids or a mixture thereof

Life of this patent

Cosmetic composition comprising 2-hydroxyalkenoic acids or a mixture thereof

Life of this patent

Abstract

Claims8