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OPHTHALMIC COMPOSITION

  • US 20170112933A1
  • Filed: 10/26/2015
  • Published: 04/27/2017
  • Est. Priority Date: 10/31/2014
  • Status: Active Grant
First Claim
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1. A composition comprising:

  • a. from about 10 ppm to about 1000 ppm of a polyquaternium compound having a weight average molecular weight of from about 150 to about 15,000 Daltons;

    b. from about 0.001% to about 0.5% of an anionic polymer having a weight average molecular weight of from about 250 to about 4,000,000 Daltons; and

    c. an effective amount of an organic acid, salts thereof or mixtures thereof, such that the organic acid binds with the polyquaternium compound at at least a 1;

    1 molar ratio;

    wherein the composition is substantially free of cationic oligomer compounds and precipitation inhibiting compounds.

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