# US 11,304,885 B2 · Liquid compositions for hair removal devices comprising metathesized unsaturated polyol esters

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- Number: US 11,304,885 B2
- Document ID: US11304885B2
- Status: Granted
- Kind: B2
- Application number: 17/023,616
- Filed: 2020-09-17
- Published: 2021-01-07
- Granted: 2022-04-19
- Earliest claimed: 2016-07-08
- Assignees: The Gillette Company
- Applicants: The Gillette Company LLC
- Inventors: Luke Andrew Zannoni; Beth Ann Schubert; Rajan Keshav Panandiker; Joseph Jay Kemper; Robert John Strife; Safa Motlagh; Jeffrey John Scheibel; Alison Fiona Stephens; Philip Andrew Sawin
- Web page: https://patentgrep.com/patent/US11304885B2

## CPC

- A61K 8/37: Esters of carboxylic acids
- A45D 27/00: Shaving accessories (containers for handling shaving soap A45D40/00; shaving mirrors A45D42/08)
- A45D 34/04: Appliances specially adapted for applying liquid, e.g. using roller or ball
- A61K 8/8111: {Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers}
- A61K 8/922: {of vegetable origin}
- A61Q 9/02: Shaving preparations
- C08K 5/103: with polyalcohols
- C10M 105/38: of polyhydroxy compounds
- C10M 109/02: Reaction products
- C10M 111/04: at least one of them being a macromolecular organic compound
- C10M 173/00: Lubricating compositions containing more than 10% water
- C10M 173/02: not containing mineral or fatty oils
- C11C 3/00: Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom (sulfonated fats or oils C07C309/62; factice C08H; drying oils C09F)
- C11C 3/10: Ester interchange
- A45D 2200/056: Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
- A45D 2200/1036: containing a cosmetic substance, e.g. impregnated with liquid or containing a soluble solid substance
- A61K 2800/87: Application Devices; Containers; Packaging
- C10M 2207/022: containing at least two hydroxy groups
- C10M 2207/04: Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M 2207/08: Aldehydes; Ketones
- C10M 2207/2835: used as base material
- C10M 2209/084: Acrylate; Methacrylate
- C10M 2209/104: of alkylene oxides containing two carbon atoms only
- C10M 2209/107: of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
- C10M 2209/12: Polysaccharides, e.g. cellulose, biopolymers
- C10M 2215/04: having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M 2215/042: containing hydroxy groups; Alkoxylated derivatives thereof
- C10M 2217/024: containing monomers having an unsaturated radical bound to an amido or imido group
- C10M 2217/028: containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
- C10M 2219/042: Sulfate esters
- C10N 2010/02: Groups 1 or 11
- C10N 2020/04: Molecular weight; Molecular weight distribution
- C10N 2040/06: Instruments or other precision apparatus, e.g. damping fluids
- 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)
- 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
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- C10M: LUBRICATING COMPOSITIONS (well drilling compositions C09K8/02); USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION (mould release, i.e. separating, agents for metals B22C3/00, for plastics or substances in a plastic state, in general B29C33/56, for glass C03B40/02; textile lubricating compositions D06M11/00, D06M13/00, D06M15/00; immersion oils for microscopy G02B21/33)
- C11C: FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C10N: INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS

## Abstract

The invention relates to liquid compositions for use with hair removal devices comprising a metathesized unsaturated polyol ester for improved lubrication.

## Claims

### Claim 1

A composition-dispensing hair removal device, the device comprising a composition comprising from 0.1% to 60% by weight of a metathesized unsaturated polyol ester, the metathesized unsaturated polyol ester having a free hydrocarbon content, based on total weight of the metathesized unsaturated polyol ester, of from 0.1% to 5%, and having at least one of:
(i) a weight average molecular weight of from 5,000 Daltons to 50,000 Daltons;
(ii) an iodine value of from 30 to 200; or
(iii) an oligomer index from greater than 0 to 1.

### Claim 2 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester has a weight average molecular weight of from about 5,000 Daltons to about 50,000 Daltons.

### Claim 3 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester has an iodine value of from about 30 to about 200.

### Claim 4 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester has an oligomer index from about 0.001 to 1.

### Claim 5 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester is metathesized at least once.

### Claim 6 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester is derived from at least one of a natural polyol ester or a synthetic polyol ester, wherein the natural polyol ester is selected from the group consisting of a vegetable oil, an animal fat, an algae oil, and mixtures thereof; and the synthetic polyol ester is derived from a material selected from the group consisting of ethylene glycol, propylene glycol, glycerol, polyglycerol, polyethylene glycol, polypropylene glycol, poly(tetramethylene ether) glycol, pentaerythritol, dipentaerythritol, tripentaerythritol, trimethylolpropane, neopentyl glycol, a sugar, and mixtures thereof.

### Claim 7 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester is selected from the group consisting of metathesized Abyssinian oil, metathesized Almond Oil, metathesized Apricot Oil, metathesized Apricot Kernel oil, metathesized Argan oil, metathesized Avocado Oil, metathesized Babassu Oil, metathesized Baobab Oil, metathesized Black Cumin Oil, metathesized Black Currant Oil, metathesized Borage Oil, metathesized Camelina oil, metathesized Carinata oil, metathesized Canola oil, metathesized Castor oil, metathesized Cherry Kernel Oil, metathesized Coconut oil, metathesized Corn oil, metathesized Cottonseed oil, metathesized Echium Oil, metathesized Evening Primrose Oil, metathesized Flax Seed Oil, metathesized Grape Seed Oil, metathesized Grapefruit Seed Oil, metathesized Hazelnut Oil, metathesized Hemp Seed Oil, metathesized Jatropha oil, metathesized Jojoba Oil, metathesized Kukui Nut Oil, metathesized Linseed Oil, metathesized Macadamia Nut Oil, metathesized Meadowfoam Seed Oil, metathesized Moringa Oil, metathesized Neem Oil, metathesized Olive Oil, metathesized Palm Oil, metathesized Palm Kernel Oil, metathesized Peach Kernel Oil, metathesized Peanut Oil, metathesized Pecan Oil, metathesized Pennycress oil, metathesized Perilla Seed Oil, metathesized Pistachio Oil, metathesized Pomegranate Seed Oil, metathesized Pongamia oil, metathesized Pumpkin Seed Oil, metathesized Raspberry Oil, metathesized Red Palm Olein, metathesized Rice Bran Oil, metathesized Rosehip Oil, metathesized Safflower Oil, metathesized Seabuckthorn Fruit Oil, metathesized Sesame Seed Oil, metathesized Shea Olein, metathesized Sunflower Oil, metathesized Soybean Oil, metathesized Tonka Bean Oil, metathesized Tung Oil, metathesized Walnut Oil, metathesized Wheat Germ Oil, metathesized High Oleoyl Soybean Oil, metathesized High Oleoyl Sunflower Oil, metathesized High Oleoyl Safflower Oil, metathesized High Erucic Acid Rapeseed Oil, and mixtures thereof.

### Claim 8 (depends on 1)

The device according to claim 1, wherein the composition further comprises a water soluble polymer.

### Claim 9 (depends on 8)

The device according to claim 8, wherein the water soluble polymer is selected from the group consisting of polyethylene oxide, polyvinyl pyrrolidone, polyacrylamide, polyhydroxymethacrylate, polyvinyl imidazoline, polyethylene glycol, polyvinyl alcohol, polyhydroxyethymethacrylate, guars, celluloses, modified celluloses, and mixtures thereof.

### Claim 10 (depends on 8)

The device according to claim 8, wherein the water soluble polymer is polyethylene oxide having an average molecular weight of between 300,000 and 3 million.

### Claim 11 (depends on 1)

The device according to claim 1, wherein the composition further comprises from 0.1% to 8% by weight of a lubricating material of a copolymer of polyethylene oxide and polypropylene oxide.

### Claim 12 (depends on 1)

The device according to claim 1, wherein the composition further comprises from 0.1% to 5% of a thickening agent and at least 30% by weight of water.

### Claim 13 (depends on 1)

The device according to claim 1, wherein the device comprises a handle connected to a hair removal head, wherein the handle comprises a cavity for housing the composition disposed within the handle and an actuator adapted to displace the composition from the cavity to a fluid dispensing member.

### Claim 14 (depends on 13)

The device according to claim 13, wherein the fluid dispensing member comprises an elongated contact region forming at least one dispensing orifice.

### Claim 15 (depends on 14)

The device according to claim 14, wherein the elongated contact region forms a one way valve.

### Claim 16 (depends on 1)

The device according to claim 1, wherein the composition comprises from 10% to 20% by weight of the metathesized unsaturated polyol ester.

### Claim 17 (depends on 1)

The device according to claim 1, wherein the free hydrocarbon content is 0.1% to 4%.

### Claim 18 (depends on 1)

The device according to claim 1, wherein the metathesized unsaturated polyol ester is prepared using one or more stripping techniques.