# US 12,447,123 B2 · Solid cosmetic

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- Number: US 12,447,123 B2
- Document ID: US12447123B2
- Status: Granted
- Kind: B2
- Application number: 17/637,841
- Filed: 2020-08-21
- Published: 2022-09-01
- Granted: 2025-10-21
- Earliest claimed: 2019-08-26
- Assignees: Shin-Etsu Chemical Co., Ltd.
- Applicants: Shin-Etsu Chemical Co., Ltd.
- Inventors: Masayuki Konishi
- Web page: https://patentgrep.com/patent/US12447123B2

## CPC

- A61K 8/895: containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
- A61K 8/0225: {Granulated powders}
- A61K 8/0229: {Sticks}
- A61K 8/31: Hydrocarbons
- A61K 8/37: Esters of carboxylic acids
- A61K 8/375: {the alcohol moiety containing more than one hydroxy group}
- A61K 8/39: Derivatives containing from 2 to 10 oxyalkylene groups
- A61K 8/4973: {with oxygen as the only hetero atom}
- A61K 8/8111: {Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers}
- A61K 8/891: saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K 8/92: Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K 8/922: {of vegetable origin}
- A61K 8/927: {of insects, e.g. shellac}
- A61Q 1/04: for lips
- A61Q 1/06: Lipsticks
- A61K 2800/262: Transparent; Translucent
- A61K 2800/92: Oral administration
- A61Q 19/00: Preparations for care of the skin
- 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

## Abstract

A solid cosmetic that has an excellent glossy feeling, excellent adhesion, and excellent storage stability and provides an excellent sensation when used. The solid cosmetic contains (a) diphenylsiloxy phenyl trimethicone, (b) a hydrogenated polyisobutene that is soluble with component (a), (c) at least one of isotridecyl isononanoate, isononyl isononanoate, triethylhexanoin, ethylhexyl palmitate, caprylic/capric triglyceride, neopentyl glycol dicaprate, diisostearyl malate, mineral oil, polyglyceryl polyisostearate, and sorbitan sesquiisostearate, and (d) wax.

## Claims

### Claim 1

A solid cosmetic composition comprising
(a) diphenylsiloxy phenyl trimethicone,
(b) hydrogenated polyisobutene which is composed of 3 to 24 monomers, and soluble with component (a),
(c) at least one member selected from the group consisting of isotridecyl isononanoate, isononyl isononanoate, triethylhexanoin, ethylhexyl palmitate, caprylic/capric triglyceride, mineral oil, polyglyceryl polyisostearate, and sorbitan sesquiisostearate,
(d) wax, and
(e) a phenyl silicone other than component (a),
wherein the components are combined such that when components (a), (b), (c), and (e) are mixed, component (e) is soluble with the other components, and
the content of component (e) is 0.1 to 10% by weight of the cosmetic composition.

### Claim 2 (depends on 1)

The solid cosmetic composition of claim 1 wherein the content of component (a) is 5 to 50% by weight of the solid cosmetic composition.

### Claim 3 (depends on 1)

The solid cosmetic composition of claim 1 wherein the content of component (b) is 0.5 to 30% by weight of the solid cosmetic composition.

### Claim 4 (depends on 1)

The solid cosmetic composition of claim 1, further comprising (f) a silicone powder.

### Claim 5 (depends on 1)

The solid cosmetic composition of claim 1, for use on lips.