Composition comprising film

Composition comprising film

  • CN 104,135,990 B
  • Filed: 12/16/2011
  • Issued: 06/18/2019
  • Est. Priority Date: 12/16/2011
  • Status: Active Grant
First Claim
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1. a kind of oral care composition, the composition includes the first film containing pigment, and optionally includes the second film;

  • Wherein the first film has the rate of dissolution being inversely proportional with its thickness in water-bearing media, so that the first film is at room temperature,In presence of water, after the time greater than 30 seconds, pigment will be decomposed and discharges, wherein the average thickness of the first film is that 1.5-3 is closeEar,Wherein the first film further include for the plasticizer of 20-30wt% propylene glycol,Wherein in presence of water, after brushing, wiping or stirring the time for being greater than 30 seconds and being less than 180 seconds, the dissolution of the first film,Based on the first film dry weight, the composition include 20-60% selected from methylcellulose, hydroxypropyl methyl cellulose andThe cellulose ether of a combination thereof, the propylene glycol of 20-30%, the polysorbate80 of 1-5% and the pigment of 15-55%.

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