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US 4,919,934 AGranted
Cosmetic sticks
AssigneeRichardson-Vicks Inc.
InventorsGeorge E. Deckner, Rupali A. Kulkarni
Life of this patent
Estimating the term…
Abstract
Disclosed are wax based cosmetic stick compositions comprising: from about 10% to about 50% of a wax type solidifying agent; and from about 5% to about 90% of a polyalphaolefin. These compositions preferably comprise from about 1.0% to about 40% of an active component, such as a sunscreen agent, analgesic, moisturizing and antiperspirant or a deodorant active.
Claims10
A cosmetic stick composition comprising:
- (a) from about 10% to about 50% of a wax-type solidifying agent selected from the group consisting of beeswax, spermaceti, carnauba, baysberry, candelilla, montan, ozokerite, ceresin, paraffin, hydrogenated castor oil, Fisher-Tropsch waxes, microcrystalline waxes, ethylene glycol diesters, triglyceride waxes and ethylene/vinyl acetate copolymers, and mixtures thereof;
- (b) from about 5% to about 90% of one or more of a polyalphaolefin of the formula:
- R.sub.1 --C.dbd.C--R.sub.2
- wherein R.sub.1 and R.sub.2 are independently C.sub.20 to C.sub.70 alkyl and wherein said polyalphaolefin has an average molecular weight of from about 300 to about 800 daltons and a viscosity of from about 2 to about 10 centistokes at 100.degree. C.;
- (c) from about 1% to about 40% of an active component selected from the group consisting of sunscreens, analgesics, moisturizers, antiperspirants and deodorants and mixtures thereof;
- (d) from about 10% to about 50% of an emollient;
- and
- (e) from about 0.01 to about 15% of an emulsifier.
5 more elements
Dependencies are inferred from the claim text.