US2018071197A1PendingUtilityA1

Epilatory Compositions

39
Assignee: RECKITT BENCKISER BRANDS LTDPriority: Mar 23, 2015Filed: Mar 22, 2016Published: Mar 15, 2018
Est. expiryMar 23, 2035(~8.6 yrs left)· nominal 20-yr term from priority
Inventors:Alice Heather PopeTerry Alan CassVictoria Mary Morris-Curtis
A61K 8/31A61K 8/8117A61K 8/8111A61K 8/29A61Q 9/04A61K 8/8105A61K 8/922
39
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Claims

Abstract

The present invention provides an epilatory composition comprising an admixture of a hydrocarbon resin material and a mineral oil in weight ratio of 1.3:1 to 2.8:1, and, a polyethylene in the form of a homopolymer. An advantage of the compositions of the present invention is that they can be heated to the correct temperature of use, and/or to the correct viscosity, in an advantageous time.

Claims

exact text as granted — not AI-modified
1 . An epilatory composition comprising:
 a hydrocarbon resin ;   a mineral oil in a weight ratio in the range of from 1.3:1 to 2.8:1; and   a polyethylene in the form of a homopolymer.   
     
     
         2 . The epilatory composition as claimed in  claim 1 , wherein the ratio of hydrocarbon resin to mineral oil is in the range of from 1.8:1 to 2.1:1. 
     
     
         3 . The epilatory composition as claimed in  claim 1 , wherein the ratio of hydrocarbon resin to mineral oil is in the range of from 2:1 to 2.05:1. 
     
     
         4 . The epilatory composition as claimed in  claim 1 , wherein the hydrocarbon resin is selected from the group consisting of poly(methylstyrene-co-indene) and hydrogenated polycyclopentadiene resin. 
     
     
         5 . The epilatory composition as claimed in  claim 1 , wherein the hydrocarbon resin is hydrogenated polycyclopentadiene resin. 
     
     
         6 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 55-70% wt/wt of hydrocarbon resin. 
     
     
         7 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 60-68% wt/wt of hydrocarbon resin. 
     
     
         8 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 64-66% wt/wt of hydrocarbon resin material. 
     
     
         9 . The epilatory composition as claimed in  claim 1 , wherein the mineral oil is selected from the group consisting of argan oils and castor oils. 
     
     
         10 . The epilatory composition as claimed in  claim 1 , wherein the mineral oil is paraffin oil. 
     
     
         11 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 25-40% wt/wt of the mineral oil. 
     
     
         12 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 30-35% wt/wt of the mineral oil. 
     
     
         13 . The epilatory composition as claimed in  claim 1 , wherein the epilatory composition comprises from 32-34% wt/wt of the mineral oil. 
     
     
         14 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene has a molecular weight in the range of from 100 to 1000. 
     
     
         15 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene has a molecular weight in the range of from 250 to 800 unified mass units. 
     
     
         16 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene has a molecular weight in the range of from 300 to 600 unified mass units. 
     
     
         17 . The epilatory composition as claimed in any of  claim 1 , wherein the polyethylene has a molecular weight in the range of from 400 to 450 unified mass units. 
     
     
         18 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene is present in an amount in the range of from 0.1% to 5% by weight of the epilatory composition. 
     
     
         19 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene is present in an amount in the range of from 0.5% to 3.0% by weight of the epilatory composition. 
     
     
         20 . The epilatory composition as claimed in  claim 1 , wherein the polyethylene is present in an amount in the range of from 0.75% to 1.5% by weight of the epilatory composition. 
     
     
         21 .- 22 . (canceled) 
     
     
         23 . An epilatory composition comprising:
 63-65 wt % of a hydrocarbon resin;   33-35 wt % of a mineral oil; and   1-2 wt % of a polyethylene in the form of a linear homopolymer.   
     
     
         24 . An epilatory composition consisting essentially of:
 60-68 wt % of a hydrocarbon resin;   30-35 wt % of a mineral oil; and   0.5-5 wt % of a polyethylene in the form of a linear homopolymer.   
     
     
         25 .- 26 . (canceled) 
     
     
         27 . The epilatory composition as claimed in  claim 1  further comprising:
 shea butter; 
 titanium dioxide; 
 a fragrance; and 
 a dye; 
 wherein the hydrocarbon resin comprises hydrogenated polycyclopentadiene resin; 
 wherein the mineral oil comprises paraffin oil; 
 wherein the polyethylene is in the form of a linear homopolymer; and 
 wherein the epilatory composition comprises:
 64-66% of the hydrogenated polycyclopentadiene resin; 
 31-35% of the paraffin oil; and 
 0.8-1.2% of the polyethylene in the form of the linear homopolymer.

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