Skin care formulations comprising a water-in-mineral oil emulsion and siloxane compositions therefor

Claim 2

An organopolysiloxane having the formula wherein QR' denotes a polyoxyalkylene radical consisting of a Q portion having the formula -(OCH 2 CH 2 )p(OCHCH 3 CH 2 )qOR" and an R' portion linking the Q portion to a silicon atom, R denotes an alkyl radical having from 6 to 16 carbon atoms, R' denotes an alkylene linking radical, R" denotes a hydrogen atom or a lower alkyl radical, Z denotes a monovalent radical selected from the group consisting of hydrocarbon radicals having from 1 to 5 carbon atoms, QR' radicals and R radicals, there being an average of at least one QR'- radical and an average of at least one R radical per molecule of organopolysiloxane and the average values of x, y, z, p, and g being such that p ≥ g, p + g has a value sufficient to provide a radical weight for Q of from 600 to 3500, x ≤ 3y, x + y + z has a value of from 30 to 400 and the total weight of Q radicals in the organopolysiloxane does not exceed a value of 1/3 of the total weight of the organopolysiloxane.

Claim 3

. An organopolysiloxane according to Claim 1 wherein Z denotes the methyl radical, x has a value of zero and y + z has an average value of from 30 to 70.

Claim 4

An organopolysiloxane according to Claim 2 wherein z has a value of from 1 to 3 and QR' denotes -CH 2 CH 2 CH 2 (OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OH.

Claim 5

An organopolysiloxane according to Claim 3 wherein R denotes the dodecyl radical.

Claim 6

An organopolysiloxane according to Claim 1 wherein x has an average value of from 1 to 100, y + z has an average value of from 30 to 70 and Z denotes the methyl radical.

Claim 7

An organopolysiloxane according to Claim 5 wherein z has a value of from 1 to 3 and QR' denotes -CH 2 CH 2 CH 2 (OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OH.

Claim 8

An organopolysiloxane according to Claim 6 wherein R denotes the dodecyl radical.

Claim 9

A homogeneous composition comprising (A) an organopolysiloxane having the formula Z(CH 3 ) 2 SiO[(CH 3 ) 2 SiO] x [(CH 3 )(R)SiO] y [(CH 3 ) (QR')SiO] y Si(CH 3 ) 2 Z wherein QR' denotes a polyoxyalkylene radical consisting of a Q portion having the formula - (OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OR" and an R' portion linking the Q portion to a silicon atom, R denotes an alkyl radical having from 6 to 16 carbon atoms, R' denotes an alkylene linking radical, R" denotes a hydrogen atom or a lower alkyl radical, Z denotes a monovalent radical selected from the group consisting of hydrocarbon radicals having from 1 to 5 carbon atoms, QR'- radicals and R radicals, there being an average of at least one QR'- radical and an average of at least one R radical per molecule of organopolysiloxane and the average values of x, y, z, p and g being such that p ≥ g, p + g has a value sufficient to provide a radical weight for Q of from 600 to 3500, x < 3y, x + y + z has a value of from 30 to 400 and the total weight of Q radicals in the organopolysiloxane does not exceed a value of 1/3 of the total weight of the'organopolysiloxane, and (B) mineral oil.

Claim 10

A homogeneous composition comprising (A) an organopolysiloxane having the formula Z(CH 3 ) 2 SiO[(CH 3 ) 2 SiO] x [(CH 3 )(R)SiO] y [(CH 3 ) (QR')SiO] y Si(CH 3 ) 2 Z wherein QR' denotes a polyoxyalkylene radical consisting of a Q portion having the formula - (OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OR" and an R' portion linking the Q portion to a silicon atom, R denotes an alkyl radical having from 6 to 16 carbon atoms, R' denotes an alkylene linking radical, R" denotes a hydrogen atom or a lower alkyl radical, Z denotes a monovalent radical selected from the group consisting of hydrocarbon radicals having from 1 to 5 carbon atoms, QR'- radicals and R radicals, there being an average of at least one QR'- radical and an average of at least one R radical per molecule of organopolysiloxane and the average values of x, y, z, p and g being such that p ≥ g, p + g has a value sufficient to provide a radical weight for Q of from 600 to 3500, x < 3y, x + y + z has a value of from 30 to 400 and the total weight of Q radicals in the organopolysiloxane does not exceed a value of 1/3 of the total weight of the'organopolysiloxane, and (B) mineral oil.

Claim 11

An emulsion composition comprising (I) a dispersed phase comprising water and a cosmetically acceptable electrolyte dissolved therein, (II) a cosmetically acceptable continuous phase comprising mineral oil, and (III) an organopolysiloxane having the formula wherein QR' denotes a polyoxyalkylene radical consisting of a Q portion having the formula -(OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OR" and an R' portion linking the Q portion to a silicon atom, R denotes an alkyl radical having from 6 to 16 carbon atoms, R' denotes an alkylene linking radical, R" denotes a hydrogen atom or a lower alkyl radical, Z denotes a monovalent radical selected from the group consisting of hydrocarbon radicals having from 1 to 5 carbon atoms, QR'- radicals and R radicals, there being an average of at least one QR'- radical and an average of at least one R radical per molecule of organopolysiloxane and the average values of x, y, z, p and g being such that p ≥ g, p + g has a value sufficient to provide a radical weight for Q of from 600 to 3500, x ≤ 3y, x + y + z has a value of from 30 to 400 and the total weight of Q radicals in the organopolysiloxane does not exceed a value of 1/3 of the total weight of the organopolysiloxane.

Claim 12

An emulsion composition comprising (I) a dispersed phase comprising water and a cosmetically acceptable electrolyte dissolved therein, (II) a cosmetically acceptable continuous phase comprising mineral oil, and (III) an organopolysiloxane having the formula wherein QR' denotes a polyoxyalkylene radical consisting of a Q portion having the formula -(OCH 2 CH 2 ) p (OCHCH 3 CH 2 ) q OR" and an R' portion linking the Q portion to a silicon atom, R denotes an alkyl radical having from 6 to 16 carbon atoms, R' denotes an alkylene linking radical, R" denotes a hydrogen atom or a lower alkyl radical, Z denotes a monovalent radical selected from the group consisting of hydrocarbon radicals having from 1 to 5 carbon atoms, QR'- radicals and R radicals, there being an average of at least one QR'- radical and an average of at least one R radical per molecule of organopolysiloxane and the average values of x, y, z, p and g being such that p ≥ g, p + g has a value sufficient to provide a radical weight for Q of from 600 to 3500, x ≤ 3y, x + y + z has a value of from 30 to 400 and the total weight of Q radicals in the organopolysiloxane does not exceed a value of 1/3 of the total weight of the organopolysiloxane.