US5593680A — New cosmetic or dermopharmaceutical compositions …

Claim 1

Independent Claim 130 words

A cosmetic or dermopharmaceutical composition, or a vehicle for a cosmetic or dermopharmaceutical composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount such that the viscosity ranges from 3 to 200 poises, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 , said composition or said vehicle containing from 0.1 to 10 percent by weight of said microspheres relative to the total weight of said composition or said vehicle, said composition or said vehicle being free of fats.

Claim 2

Dependent Claim 130 words

A cosmetic or dermopharmaceutical composition, or a vehicle for a cosmetic or dermopharmaceutical composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount such that the viscosity ranges from 3 to 200 poises, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 , said composition or said vehicle containing from 0.1 to 10 percent by weight of said microspheres relative to the total weight of said composition or said vehicle, said composition or said vehicle being free of fats.

Claim 3

Dependent Claim 22 words

The composition or vehicle of claim 1 wherein said hollow microspheres have an average particle size ranging from 5 to 250 μm.

Claim 4

Dependent Claim 22 words

The composition or vehicle of claim 1 wherein said hollow microspheres have an average particle size ranging from 10 to 150 μm.

Claim 5

Dependent Claim 58 words

The composition or vehicle of claim 1 wherein said gelling agent is selected from the group consisting of an unsaturated organic carboxylic acid polymer, an unsaturated organic carboxylic acid copolymer, an unsaturated ester polymer, an unsaturated ester copolymer, polysaccharide, a gum, a colloidal silicate, a polyethylene glycol, a polyvinylpyrrolidone, a hydrophilic silica gel, a polyacrylamide and a polyacrylonitrile.

Claim 6

Dependent Claim 72 words

The composition or vehicle of claim 4 wherein said gelling agent is selected from the group consisting of an acrylic polymer, a methacrylic polymer, an acrylic copolymer, a methacrylic copolymer, a vinylcarboxylic polymer, a polyglyceryl acrylate, a polyglyceryl methacrylate, a cellulose, a starch, a chitin, an alginate, hyaluronic acid, a salt of hyaluronic acid, a chondroitin sulphate, xanthan, gellan, Rhamsan, karaya or guar gum, carob flour, and montmorillonite colloidal aluminum magnesium silicate.

Claim 7

Dependent Claim 23 words

The composition or vehicle of claim 5 wherein said cellulose is selected from the group consisting of carboxymethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose and microcrystallline cellulose.

Claim 8

Dependent Claim 75 words

The composition or vehicle of claim 1 in the form of a creamy gel, said creamy gel containing a gelling agent in an amount to produce a viscosity between 10 and 50 poises and said creamy gel containing said hollow microspheres in an amount ranging from 0.1 to 2 percent by weight relative to the total weight of said composition or vehicle, and said hollow microspheres having a size ranging from 5 to 50 μm.

Claim 9

Dependent Claim 27 words

The composition or vehicle of claim 7 in the form of a creamy gel, wherein said hollow microspheres have a size ranging from 10 to 30 μm.

Claim 10

Dependent Claim 21 words

The composition or vehicle of claim 1, wherein the water content of said composition ranges from 83.1% to 94.4% by weight.

Claim 11

Dependent Claim 128 words

A skin cleansing product in the form of a face mask composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount sufficient to provide a viscosity of 20-200 poises, said hollow microspheres being present in an amount ranging from 2 to 5 weight percent relative to the total weight of said composition, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having a size ranging from 10 to 50 μm, said composition being free of fats.

Claim 12

Dependent Claim 128 words

A skin cleansing product in the form of a face mask composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount sufficient to provide a viscosity of 20-200 poises, said hollow microspheres being present in an amount ranging from 2 to 5 weight percent relative to the total weight of said composition, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having a size ranging from 10 to 50 μm, said composition being free of fats.

Claim 13

Dependent Claim 22 words

The composition of claim 10 wherein said gelling agent is present in an amount such that the viscosity ranges from 20-100 poises.

Claim 14

Dependent Claim 111 words

An exfoliating product for the skin comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said hollow microspheres being present in an amount ranging from 0.5 to 5 percent by weight, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having an average size ranging from 80 to 250 μm, and said gelling agent being present in an amount providing a viscosity of 10-100 poises, said product being free of fats.

Claim 15

Dependent Claim 111 words

An exfoliating product for the skin comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said hollow microspheres being present in an amount ranging from 0.5 to 5 percent by weight, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having an average size ranging from 80 to 250 μm, and said gelling agent being present in an amount providing a viscosity of 10-100 poises, said product being free of fats.

Claim 16

Dependent Claim 111 words

An exfoliating product for the skin comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said hollow microspheres being present in an amount ranging from 0.5 to 5 percent by weight, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having an average size ranging from 100 to 250 μm, and said gelling agent being present in an amount providing a viscosity of 10-100 poises, said product being free of fats.

Claim 17

Dependent Claim 111 words

An exfoliating product for the skin comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said hollow microspheres being present in an amount ranging from 0.5 to 5 percent by weight, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 and having an average size ranging from 100 to 250 μm, and said gelling agent being present in an amount providing a viscosity of 10-100 poises, said product being free of fats.

Claim 18

Dependent Claim 118 words

A cosmetic treatment process comprising applying to the skin a composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount such that the viscosity ranges from 3 to 200 poises, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 , said composition containing from 0.1 to 10 percent by weight of said microspheres relative to the total weight of said composition, said composition being free of fats.

Claim 19

Dependent Claim 118 words

A cosmetic treatment process comprising applying to the skin a composition comprising hollow microspheres dispersed in an aqueous gel, said aqueous gel comprising at least one gelling agent selected from the group consisting of a water-soluble polymer, a polymer providing a colloidal solution in water, colloidal silicate and hydrophilic silica gel, said gelling agent being present in an aqueous vehicle in an amount such that the viscosity ranges from 3 to 200 poises, said hollow microspheres being expanded thermoplastic microspheres having a density ranging from 15 to 200 kg/m 3 , said composition containing from 0.1 to 10 percent by weight of said microspheres relative to the total weight of said composition, said composition being free of fats.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-01-14	2000-07-15	2001-01-14	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-01-14	2004-07-15	2005-01-14	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-01-14	2008-07-15	2009-01-14	$7700.00	Window Closed / Lapsed

New cosmetic or dermopharmaceutical compositions in the form of aqueous gels modified by the addition of expanded microspheres

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag