Stabilized vitamin C formulations
AssigneeIgen, Inc.
InventorRajiv Mathur
Life of this patent
Estimating the term…
Abstract
The invention features a method of stabilizing free 1-ascorbic acid from oxidation by dispersing the free 1-ascorbic acid in a mixed glycol carrier and a solution containing the ascorbic acid in the mixed glycol solution. The mixed glycol carrier contains a mixture of at least propylene glycol and butylene glycol, but may contain other glycols such as polyethylene glycol, and stabilizing and solubility assisting agents as well.
Claims9
A solution for topical use comprising 1-ascorbic acid in a mixed glycol carrier containing propylene glycol and butylene glycol and wherein said mixed glycol carrier contains substantially no free water.
A method of stabilizing free 1-ascorbic acid from oxidation by dispersing said free 1-ascorbic acid in a mixed glycol carrier comprised of propylene glycol and butylene glycol and wherein said mixed glycol carrier contains substantially no free water.
Dependencies are inferred from the claim text.