# US 10,871,252 B2 · Device comprising a liquid lipstick composition in the form of an inverse emulsion, and a porous application member

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- Number: US 10,871,252 B2
- Document ID: US10871252B2
- Status: Granted
- Kind: B2
- Application number: 15/872,347
- Filed: 2018-01-16
- Published: 2018-07-19
- Granted: 2020-12-22
- Earliest claimed: 2013-03-25
- Assignees: L'oreal
- Applicants: L'oreal
- Inventors: Florence Lahousse; Eric Caulier; Emilie Henin; Roberto Cavazzuti
- Web page: https://patentgrep.com/patent/US10871252B2

## CPC

- F16L 43/008: {made from plastic material}
- A45D 34/042: {using a brush or the like}
- A61K 8/891: saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K 8/895: containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
- A61K 8/92: Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61Q 1/04: for lips
- C08G 77/442: containing vinyl polymer sequences
- C08L 83/10: Block- or graft-copolymers containing polysiloxane sequences (obtained by polymerising a compound having a carbon-to-carbon double bond on to a polysiloxane C08L51/08, C08L53/00)
- F16L 57/00: Protection of pipes or objects of similar shape against external or internal damage or wear ({protection under water F16L1/123;} supporting of pipes inside other pipes or sleeves F16L7/00; used in connection with end fittings of hoses F16L35/00; protection of pipes or pipe fittings against corrosion or incrustation F16L58/00; protection thereof during transport B65D59/00)
- A45D 34/045: {connected to the cap of the container}
- A45D 2200/055: Piston or plunger for supplying the liquid to the applicator
- A45D 2200/1018: comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means
- A61K 2800/544: Dendrimers, Hyperbranched polymers
- A61K 2800/87: Application Devices; Containers; Packaging
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- 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
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)

## Abstract

An application device, including a container; a composition for making up and/or caring for the lips (P), stored in the container, which is in the form of a liquid emulsion that includes: a) at least 8% by weight, relative to the total weight of the composition, of one or more non-volatile oils; b) at least one film-forming agent selected from the group consisting of alkylcellulose, silicone resin, and a vinyl polymer comprising a carbosiloxane dendrimer-based unit; c) at least 10% by weight of water relative to the total weight of the composition; and an application member that is suitable for applying the composition which has a porous application surface with one or more open-cell or semi-open cell foams, wherein the composition has a viscosity at 25° C. of between 0.005 and 15 Pa.s.

## Claims

### Claim 1

An application device, comprising:
a container;
a composition for making up and/or caring for the lips (F), stored in the container, which is in the form of a liquid emulsion comprising:
a) at least 8% by weight, relative to the total weight of the composition, of one or more non-volatile oils;
b) at least one film-forming agent selected from the group consisting of alkylcellulose, silicone resin, and a vinyl polymer comprising a carbosiloxane dendrimer-based unit;
c) at least 10% by weight of water relative to the total weight of the composition; and
an application member that is suitable for applying the composition which has a porous application surface with one or more open-cell or semi-open cell foams, wherein the composition has a viscosity at 25° C. of between 0.005 and 15 Pa.s,
and wherein the density of the foam(s) forming the application member, measured according to standard ASTM D 3574-05, is between 0.02 g.cm−3 and 0.05 g.cm−3.

### Claim 2 (depends on 1)

The device of claim 1, wherein the non-volatile oil comprises at least one oil selected from the group consisting of non-volatile silicone oils, which may or may not be phenylated, non-volatile fluoro oils, polar and non-polar non-volatile hydrocarbon-based oils.

### Claim 3 (depends on 1)

The device of claim 1, wherein a content of the non-volatile oil is between 10% and 30% by weight relative to the weight of the composition.

### Claim 4 (depends on 1)

The device of claim 1, wherein the composition comprises the vinyl polymer containing at least one carbosiloxane dendrimer-based unit and having a molecular side chain containing a carbosiloxane dendrimer structure, and is the product of polymerization of:
(A) from 0 to 99.9 parts by weight of a vinyl monomer; and
(B) from 100 to 0.1 parts by weight of a carbosiloxane dendrimer of formula (I) below:
in which:
R1 represents an aryl group containing from 5 to 10 carbon atoms or an alkyl group containing from 1 to 10 carbon atoms;
Xi represents a silylalkyl group which, when i=1, is represented by formula (II):
in which:
R1 is as defined above in formula (I),
R2 represents an alkylene radical containing from 2 to 10 carbon atoms,
R3 represents an alkyl group containing from 1 to 10 carbon atoms,
Xi+i is chosen from: a hydrogen atom, an alkyl group containing from 1 to 10 carbon atoms, an aryl group containing from 5 to 10 carbon atoms and a silylalkyl group defined above of formula (II) with i =i +1,
i is an integer from 1 to 10 which represents the generation of said silylalkyl group, and
ai is an integer from 0 to 3;
Y represents a radical-polymerizable organic group chosen from:
organic groups containing a methacrylic group or an acrylic group, said organic groups being represented by the formulae:
in which:
R4 represents a hydrogen atom or an alkyl group containing from 1 to 10 carbon atoms; and
R5 represents an alkylene group containing from 1 to 10 carbon atoms; and
organic groups containing a styryl group of formula:
in which:
R6 represents a hydrogen atom or an alkyl group containing from 1 to 10 carbon atoms;
R7 represents an alkyl group containing from 1 to 10 carbon atoms;
R8 represents an alkylene group containing from 1 to 10 carbon atoms;
b is an integer from 0 to 4; and
c is 0 or 1, such that, if c is 0, -(R8)c- represents a bond.

### Claim 5 (depends on 4)

The device of claim 4, wherein the carbosiloxane dendrimer is represented by the following formula:
in which:
Y, R1, R2 and R3 are as defined in claim 4;
a1, a2 and a3 correspond to the definition of ai according to claim 4; and
R12 is H, an aryl group containing from 5 to 10 carbon atoms or an alkyl group containing from 1 to 10 carbon atoms.

### Claim 6 (depends on 4)

The device of claim 4, wherein the carbosiloxane dendrimer is represented by one of the following formulae:

### Claim 7 (depends on 1)

The device of claim 1, wherein the content of film-forming agent(s) represents from 1% to 20% by weight, relative to the total weight of the composition.

### Claim 8 (depends on 1)

The device of claim 1, wherein the composition further comprises at least one volatile oil.

### Claim 9 (depends on 8)

The device of claim 8, wherein the content of volatile oil(s) represents from 0.1% to 30% by weight relative to the total weight of the composition.

### Claim 10 (depends on 1)

The device of claim 1, wherein the composition further comprises at least one surfactant.

### Claim 11 (depends on 10)

The device of claim 10, wherein the content of surfactant(s) represents from 0.05% to 20% by weight relative to the total weight of the composition.

### Claim 12 (depends on 1)

The device of claim 1, wherein the composition further comprises at least one colorant.

### Claim 13 (depends on 1)

The device of claim 1, wherein the water content represents from 20% to 60% by weight relative to the total weight of the composition.

### Claim 14 (depends on 1)

The device of claim 1, wherein the composition is in the form of an inverse (water-in-oil) emulsion.

### Claim 15 (depends on 1)

The device of claim 1, wherein the application member consists of one or more foams chosen from polyether, polyester, polyurethane, polyester-polyurethane, NBR (natural butadiene rubber), SBR (synthetic butadiene rubber) or PVC (polyvinyl chloride) foams, or mixtures thereof.

### Claim 16 (depends on 1)

The device of claim 1, wherein the average number of pores of the foam(s) is between 25 and 50 pores per centimetre.

### Claim 17 (depends on 1)

The device of claim 1, wherein at least one part of the surface of the application member is covered with a flock.

### Claim 18 (depends on 17)

The device of claim 17, wherein at least one part of the surface of the application member is covered with fibres having a length between 0.2 mm and 1 mm, and the fibre count grading unit between 0.3 dtex and 3.3 dtex.

### Claim 19 (depends on 1)

The device of claim 1, further comprising a composition-dispensing mechanism which makes it possible to expel said composition from the container to the application member.

### Claim 20 (depends on 19)

The device of claim 19, wherein the dispensing mechanism comprises a meter adapted to meter the composition.

### Claim 21 (depends on 1)

A process for making up and/or caring for the lips, the process comprising applying the composition stored in a container with the application member of the device of claim 1 to the lips.

### Claim 22 (depends on 21)

The process of claim 21, wherein the deposit of composition, measured before drying, ranges between 5 and 30 μm.