Patent ID: 9427470
Filing Date: 2016-08-30
CPC Classification: A61K,A61Q,C08B,C08L

Claim Text:
1. A composition comprising a solution of hyaluronic acid, or its salt or derivative thereof, zinc citrate and one or more antimicrobial agents or additives selected from the group consisting of grapefruit seed extract, calcium propionate, sodium benzoate, potassium benzoate, magnesium citrate, proline, radish root extract, anti-microbial peptide derived from the lactic acid bacterium Leuconostoc kimchii , and 1,2-propanediol, wherein the composition demonstrates microbial growth of less than about 10 colony-forming units over about 6 months, wherein the composition has an original viscosity as measured at time 0 by a rheologic viscosity method of at least 50 Centipois and does not undergo a reduction in viscosity by more than about 50% over about 6 months, as measured by the rheological viscosity in Centipois.