# US 2013/0156830 A1 · Composite Particles, Compositions And Methods

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2013/0156830 A1
- Document ID: US20130156830A1
- Status: Published application
- Kind: A1
- Application number: 13/520,323
- Filed: 2011-01-05
- Published: 2013-06-20
- Earliest claimed: 2010-01-19
- Assignees: ELC Management LLC
- Inventors: Isaac David Cohen; Phillip Cummins; Milan Franz Sojka; David Walter Culhane; Christina G. Fthenakis; Jennifer L. Oko; John Dudley Dreher; Yelena Mikhaylova
- Web page: https://patentgrep.com/patent/US20130156830A1

## CPC

- A61K 8/0283: {Matrix particles}
- A61K 8/0241: {Containing particulates characterized by their shape and/or structure (see also A61K8/04, A61K8/11, and A61K8/14, further aspects are classified in A61K2800/40 and subcodes)}
- A61K 8/18: characterised by the composition
- A61K 8/19: containing inorganic ingredients
- A61K 8/29: Titanium; Compounds thereof
- A61K 8/8147: {Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers}
- A61K 8/8152: {Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers}
- A61Q 1/02: Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12)
- A61Q 1/06: Lipsticks
- A61Q 1/08: for cheeks, e.g. rouge
- A61Q 1/10: for eyes, e.g. eyeliner, mascara
- D06P 5/04: with organic compounds
- A61K 2800/262: Transparent; Translucent
- A61K 2800/31: Anhydrous
- A61K 2800/412: Microsized, i.e. having sizes between 0.1 and 100 microns
- A61K 2800/43: Pigments; Dyes
- A61K 2800/651: The particulate/core comprising inorganic material
- A61K 2800/654: The particulate/core comprising macromolecular material
- A61K 2800/805: Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM

## Abstract

Composite particulates, topical composition containing composite particulates, methods for improving the appearance of skin depth, dimensionality or undertones; a method for improving the ashy, chalky or mask-like appearance of color cosmetic compositions on the skin; and a method for reducing the number of shades in a color cosmetic shade range by formulating the cosmetic with composite particulates.

## Claims

### Claim 1

A composition for application to keratinous surfaces containing composite particulates in the form of fused agglomerates having a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material, wherein the composite particulates contain, by weight of the total composite particulate, from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the composite particulates present in the composition have a colorant portion present.

### Claim 2 (depends on 1)

The composition of claim 1 wherein the colorant is a pigment, powder, or mixture thereof.

### Claim 3 (depends on 2)

The composition of claim 2 wherein the colorant is an organic pigment, an inorganic pigment, or mixtures thereof.

### Claim 4 (depends on 3)

The composition of claim 3 wherein the organic pigment is a D&C color, FD&C color, or Lake thereof and the inorganic pigment is one or more iron oxides, titanium dioxide, or zinc oxide.

### Claim 5 (depends on 2)

The composition of claim 2 wherein the powder is a white or non-colored particulate material having a particle size ranging from about 0.001 to 100 microns.

### Claim 6 (depends on 1)

The composition of claim 1 wherein the thermoplastic material is in the form of partial solid or hollow spheres.

### Claim 7 (depends on 1)

The composition of claim 1 in the form of a foundation makeup, blush, mascara, eyeshadow. concealer, or lipstick.

### Claim 8

A composite particulate in the form of fused agglomerates having a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material, wherein the composite particulates contain, by weight of the total composite particulate, from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the thermoplastic material in the composite particulate is in the form of solid or hollow partial or complete spheres.

### Claim 9 (depends on 8)

The particulate of claim 8 wherein the clear or translucent thermoplastic material originates from a clear or translucent hollow or solid spherical particulates derived from the polymerization of one or more ethylenically unsaturated monomers.

### Claim 10 (depends on 8)

The particulate of claim 8 wherein the thermoplastic material is in the form of spherical particulates having an index of refraction ranging from 1.1 to 1.6 and when viewed in bulk form provide a whitish or grayish appearance.

### Claim 11 (depends on 8)

The particulate of claim 8 wherein the clear or translucent thermoplastic material used to make the particulate is in the form of hollow or solid spherical particulates comprising polymethylmethacrylate.

### Claim 12

A method for imparting color to keratinous surfaces while maintaining the appearance of dimensionality, depth, or undertones of the surface by application of a composition comprising composite particulates having a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material to the skin.

### Claim 13 (depends on 12)

The method of claim 12 wherein the composite particulates contain, by weight of the total composite particulate, from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the thermoplastic material in the particulate is in the form of solid or hollow partial or complete spheres.

### Claim 14 (depends on 12)

The method of claim 12 wherein about 0.1-99% of the total colorant component present in the composition is comprised of composite particulates.

### Claim 15 (depends on 12)

The method of claim 12 wherein the keratinous surface is skin and the composition imparts color and is selected from a foundation makeup or blush on.

### Claim 16

A method for reducing the ashy, chalky, or mask-like appearance of a cosmetic composition on skin by applying a composition wherein at least a portion of the total color component has been replaced with composite particulates.

### Claim 17 (depends on 14)

The method of claim 14 wherein the composite particulates have a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material.

### Claim 18 (depends on 16)

The method of claim 16 wherein the composite particulates contain, by weight of the total composite particulate, from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the thermoplastic material is in the form of solid or hollow partial or complete spheres.

### Claim 19

A method for reducing the number of SKUs in a color cosmetic shade range by formulating the color cosmetic composition with composite particulates having a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material.

### Claim 20 (depends on 19)

The method of claim 19 wherein the composite particulate comprises from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the thermoplastic material is in the form of solid or hollow partial or complete spheres.

### Claim 21

A method for making a composite particulate comprised of fused agglomerates having a portion comprised of at least one colorant and a portion comprised of at least one clear or translucent thermoplastic material comprising the steps of:
(a) solvating the clear or translucent thermoplastic material with a solvent;
(b) combining the solvated mixture of (a) with one or more pigments;
(c) removing the solvent to form a fused agglomerate.

### Claim 22 (depends on 21)

The method of claim 21 wherein the clear or translucent thermoplastic material is in the form of hollow or solid spheres.

### Claim 23 (depends on 21)

The method of claim 21, wherein the composite particulates contain, by weight of the total composite particulate, from about 1 to 99.9 parts of the colorant portion and from about 0.1 to 100 parts of the clear or translucent thermoplastic material portion, and wherein at least some of the thermoplastic material in the composite particulate is in the form of solid or hollow, partial or complete spheres.