Mascara and applicator

• US 9,173,824 B2
• Filed: 05/15/2012
• Issued: 11/03/2015
• Est. Priority Date: 05/17/2011
• Status: Active Grant

• Current Assignee: Noxell Corporation (Agnaten SE)
• Original Assignee: The Procter & Gamble Company
• Inventors: Bekele, Haiminot, Cabanez, Gwen Trinidad Acierto
• Primary Examiner(s): VENKAT, JYOTHSNA A
• Application Number:
  US13/471,603
• Publication Number:
  US 20120315076A1
• Time in Patent Office: 1,267 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: A45D 40/265 connected to the cap of the container
• CPC Class Codes: A46B 3/18 the bristles being fixed on or between belts or wires
• CPC Class Codes: A61K 2800/87 Application Devices; Containers; Packaging
• CPC Class Codes: A61K 2800/88 Two- or multipart kits
• CPC Class Codes: A61K 8/375 the alcohol moiety containing more than one hydroxy group
• CPC Class Codes: A61K 8/922 of vegetable origin
• CPC Class Codes: A61Q 1/10 for eyes, e.g. eyeliner, mascara

Abstract

A semi-permanent mascara product that includes a supply of a semi-permanent mascara composition disposed in a container and a twisted-wire brush for applying the mascara to the eyelashes of a user. The combination of the semi-permanent mascara and twisted-wire brush provides improved eyelash separation and reduced clumping versus the same mascara composition and an unsuitable molded plastic brush.

Claims

1. A mascara product comprising:

a. a container for storing and dispensing mascara;

b. a liquid mascara composition disposed in the container, the liquid mascara composition comprising

i. from about 1-60% by weight of black iron oxide particles as a colorant

ii. from 10-80% by weight of isododecane as the volatile carrier

iii. from 15-35% of mixture of tall oil glycerides and pentaerythrityl hydrogenated rosinate as film-formers

iv. from 1-25% of a disteardimonium hectorite having a diameter less than 10 microns as a thickener wherein said liquid mascara composition has a volume concentration of solids that is below the critical pigment volume concentration, and the viscosity of said liquid mascara composition is in the range of 250,000-350,000 cps as measured by Brookfield brand RTV viscometer using a TE spindle at 10 rpm and 25°

C., and said liquid mascara composition is free of wax

c. a twisted-wire brush applicator that includes a between 400 and 800 fiber bristles securely joined to a twisted-wire core, the twisted-wire brush applicator including a handle and a stem joining the handle to the twisted-wire core, the handle being removably and reattachably joined to the container;

d. liquid wherein the mascara composition has a Delta L value of less than 2.5 according to the Rub Test and the mascara product has a Weighted Average Thickness value at five strokes of less than 30 according to the Weighted Average Thickness test.