LIQUID COMPOSITIONS FOR HAIR REMOVAL DEVICES

• US 20170000721A1
• Filed: 06/27/2016
• Published: 01/05/2017
• Est. Priority Date: 06/30/2015
• Status: Abandoned Application

• Current Assignee: The Gillette Company LLC (The Procter & Gamble Company)
• Original Assignee: Gillette Company (The Procter & Gamble Company)
• Inventors: Bradford, Valerie Jean, Stephens, Alison Fiona, Williamson, Martin Stephen
• Application Number:
  US15/193,214
• Publication Number:
  US 20170000721A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A45D 26/00 Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers removing hair using electrosurgical instruments A61B18/04, A61B18/18
• CPC Class Codes: A61K 2800/48 Thickener, Thickening system
• CPC Class Codes: A61K 2800/594 Mixtures of polymers
• CPC Class Codes: A61K 2800/87 Application Devices; Containers; Packaging
• CPC Class Codes: A61K 8/046 Aerosols; Foams
• CPC Class Codes: A61K 8/86 Polyethers
• CPC Class Codes: A61K 8/894 modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61K 8/90 Block copolymers A61K8/89 takes precedence
• CPC Class Codes: A61Q 9/02 Shaving preparations
• CPC Class Codes: B26B 21/443 Lubricating strips attached to the razor head
• CPC Class Codes: B26B 21/446 Shaving aid stored in the razor handle
• CPC Class Codes: C10M 107/50 containing silicon

Abstract

The invention relates to liquid compositions for use with hair removal devices comprising a silicone polyether block copolymer comprising from 1% to 50%, by weight of polyethylene oxide, from 20% to 90% by weight of polypropylene oxide and from 1% to 20%, by weight of silicone for improved lubrication.

Claims

1. A composition dispensing hair removal device, said device comprising a composition comprising from about 0.1% to about 60% by weight of a silicone polyether block copolymer wherein said silicone polyether block copolymer comprises from about 1 to about 50%, by weight of polyethylene oxide, from about 20% to about 90% by weight of polypropylene oxide and from about 1% to about 20%, by weight of silicone.

2. The device according to claim 1, wherein said silicone polyether block copolymer comprises from about 1% to about 30%, by weight of polyethylene oxide, from about 20% to about 80% by weight of polypropylene oxide and from about 1 to about 20%, by weight of silicone.

3. The device according to claim 1, wherein said silicone polyether block copolymer comprises from about 15% by weight of silicone.

4. The device according to claim 1, wherein said silicone polyether block copolymer has a molecular weight of from about 10000 to about 19000.

5. The device according to claim 1, wherein said silicone polyether block copolymer has a molecular weight of from about 10000 to about 15000.

6. The device according to claim 1, wherein said silicone polyether block copolymer has a ratio of polyethylene oxide to polypropylene oxide of from about 2.0 to about 0.1.

7. The device according to claim 6, wherein said silicone polyether block copolymer has a ratio of polyethylene oxide to polypropylene oxide of from about 0.6 to 0.25.

8. The device according to claim 1, wherein said composition further comprises from about 0.1% to about 8% by weight of a water soluble polymer and preferably wherein the ratio of said water soluble polymer to said silicone block copolymer is from about 1:

5 to about 5;

1.

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

10. The device according to claim 5, wherein said water soluble polymer is polyethylene oxide having an average molecular weight of at least about 300000.

11. The device according to claim 10, wherein said polyethylene oxide has an average molecular weight of from about 1 million to about 5 million.

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

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

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

15. The device according to claim 10, wherein said fluid dispensing member comprises an elongated contact region forming at least one dispensing orifice.

16. The device according to claim 11, wherein said elongate elastomeric contact region forms a one way valve, preferably selected from a flap valve, a slit valve, a duckbill valve and a combination thereof.

17. A personal care composition comprising from about 40% to about 95% by weight of water, about 1% to about 6% by weight of a volatile post foaming agent and from about 0.1% to about 60% by weight of silicone polyether block copolymer wherein said silicone polyether block copolymer comprises at comprises from about 1 to about 50%, by weight of polyethylene oxide, from about 20% to about 90% by weight of polypropylene oxide and from about 1 to about 20%, by weight of silicone.