US4919934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic sticks
Assignee: Procter and Gamble Co
•
Filing: 1989-03-02
•
Granted: 1990-04-24
•
Expires: 2009-03-02
Abstract
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.
Inventors
- 👤 George E. Deckner
- 👤 Rupali A. Kulkarni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:19
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/72; A61K8/81; A61K8/8105; A61K8/8111; A61K8/92; A61Q15/00; A61Q19/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
162 words
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═C--R.sub.2 wherein R 1 and R 2 are independently C 20 to C 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° 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.
Claim 2
Dependent Claim
162 words
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═C--R.sub.2 wherein R 1 and R 2 are independently C 20 to C 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° 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.
Claim 3
Dependent Claim
25 words
A cosmetic stick composition according to claim 1 wherein said wax-type solidifying agent is present at a level of from about 5% to about 35%.
Claim 4
Dependent Claim
41 words
A cosmetic stick composition according to claim 2 wherein said polyalphaolefin is present at a level of from about 10% to about 80% and wherein R 1 and R 2 are indpendently from about C 20 to about C 50 .
Claim 5
Dependent Claim
38 words
A cosmetic stick composition according to claim 3 wherein said polyalphaolefin has an average molecular weight of from about 445 to about 645 daltons and a viscosity of from about 4 to about 8 centistokes at 100° C.
Claim 6
Dependent Claim
15 words
A cosmetic stick composition according to claim 4 wherein said active composition is a sunscreen.
Claim 7
Dependent Claim
79 words
A cosmetic stick composition according to claim 5 wherein said sunscreen active is selected from the group consisting of 2-ethylhexyl p-methoxycinnamate, butylmethoxydibenzoylmethane, 2-hydroxy-4-methoxybenzophenone, 2,2'dihydroxy-4-methoxybenzophenone and ethyl hexyl salicylate, octyldimethyl p-aminobenzoic acid, the 4-N,N-(2-ethylhexyl)methylaminobenzoic acid ester of 2,4-dihydroxybenzophenone, the N,N-di-(ethylhexyl)-4-aminobenzoic acid ester of 4-hydroxydibenzoylmethane, the 4-N,N-(2-ethylhexyl)methylaminobenzoic acid ester of 4-hydroxydibenzoylmethane, the 4-N,N-(2-ethylhexylmethylaminobenzoic acid ester of 2-hydroxy-4-(2-hydroxyethoxy) benzophenone, the 4-N-N-(2-ethylhexyl)methylaminobenzoic acid ester of (4-(2-hydroxyethoxy) dibenzoylmethane, the N-N-di-(2-ethylhexyl)-4-aminobenzoic acid ester of 2-hydroxy-4-(2-hydroxyethoxy)benzophenone, or the N,N-di-(2-ethylhexyl)-4aminobenzoic acid ester of 4-(2-hydroxyethoxy)dibenzoylmethane and mixtures thereof.
Claim 8
Dependent Claim
30 words
A cosmetic stick composition according to claim 6 wherein said sunscreen active is selected from the group consisting of 2-ethylhexyl p-methoxycinnamate, butylmethoxydibenzoylmethane, 2-hydroxy 4-methoxybenzophenone, octyldimethy p-aminobenzoic acid and mixtures thereof.
Claim 9
Dependent Claim
36 words
A cosmetic stick composition according to claim 4 wherein said emollient is selected from the group consisting of petrolatum, lanolin, tocopheryl acetate, USP light mineral oil, USP heavy mineral oil, isohexadecane, isodecyl neopentanoate, and mixtures thereof.
Claim 10
Dependent Claim
39 words
A cosmetic stick composition according to claim 4 wherein said active is selected from the group consisting of aluminum chlorhydroxide aluminum hydroxybromide, mixtures of aluminum chlorhydroxide and aluminum chloride and complexes formed from zirconium hydroxychloride, aluminum chlorhydroxide and glycine.
Claim 11
Dependent Claim
42 words
A cosmetic stick composition according to claim 4 wherein said active is an analgesic active selected from the group consisting of methyl salicylate, turpentine oil, menthol, camphor, histamine dihydrochloride, methyl nicotinate, eucalyptus oil, triethanolmine salicylate glycol salicylate and salicylamide and mixtures thereof.
References Cited (Backward Citations)
US3793446A
Cited
US3830930A
Cited
US3793463A
Cited
US4265663A
Cited
US4343863A
Cited
US4466909A
Cited
US4664820A
Cited
US4702916A
Cited
US4797219A
Cited
US4859352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |