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Personal care formulations containing alkyl ketal esters and methods of manufacture

  • US 9,549,886 B2
  • Filed: 11/07/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 05/10/2010
  • Status: Active Grant
First Claim
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1. A personal care formulation comprising an alkyl ketal ester, wherein the alkyl ketal ester is methyl levulinate propylene glycol ketal (methyl-LPK), ethyl levulinate propylene glycol ketal (ethyl-LPK), and n-butyl levulinate propylene glycol ketal (n-butyl LPK), or a combination comprising at least one of the foregoing;

  • andan active agent selected from organic anti-aging agents, organic anti-acne agents, organic skin whiteners, organic ultraviolet light absorbers, organic tanning agents, organic anti-alopecia agents, antifungal agents, anti-dandruff active agents, anti-perspirant active agents, antimicrobial agents, organic medicinals, depilatory compounds, hair dyes, organic insect repellants, and a combination thereof;

    wherein methyl-LPK is of the formula;

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