US4722836A
Expired / Lapsed
US
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Suspension type antiperspirant stick
Assignee: Wyeth Holdings LLC
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Filing: 1982-09-27
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Granted: 1988-02-02
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Expires: 2002-09-27
Abstract
Abstract Wax-like antiperspirant composition sticks having uniformly distributed astringent salt suspension throughout the stick composition.
Inventors
- 👤 Daniel C. Geary
- 👤 Helga Krevald
- 👤 Peter P. Walters, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:25
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/19; A61K8/26; A61K8/30; A61K8/33; A61K8/34; A61K8/342; A61K8/58; A61K8/585; A61K8/72; A61K8/84; A61K8/86; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
57 words
An antiperspirant stick comprising a wax-like base material and an astringent salt, substantially all of said astringent salt having a surface area of at least 2 meters per gram measured by the nitrogen adsorption method or 3 meters per gram measured by the mercury penetration porosimetry method, said astringent salt being uniformly distributed throughout said base material.
Claim 2
Dependent Claim
57 words
An antiperspirant stick comprising a wax-like base material and an astringent salt, substantially all of said astringent salt having a surface area of at least 2 meters per gram measured by the nitrogen adsorption method or 3 meters per gram measured by the mercury penetration porosimetry method, said astringent salt being uniformly distributed throughout said base material.
Claim 3
Dependent Claim
15 words
An antiperspirant stick according to claim 1 wherein said astringent salt is an aluminum salt.
Claim 4
Dependent Claim
14 words
An antiperspirant stick according to claim 2 wherein said aluminum salt is aluminum chlorhydroxide.
Claim 5
Dependent Claim
34 words
An antiperspirant stick as in claim 1 comprising a wax-like fatty alcohol, said astringent material, a volatile silicone and a polyethoxylated fatty hydrocarbon, ethoxylated with from about 100 to 200 moles of ethylene oxide.
Claim 6
Dependent Claim
49 words
An antiperspirant in claim 1 comprising a wax-like fatty alcohol, said astringent material, a volatile silicone, and a polyethoxylated fatty alcohol represented by the formula: ##STR3## wherein R represents an alkyl radical of about 12 to 22 carbon atoms and n is an integer of about 100 to 200.
Claim 7
Dependent Claim
14 words
A cosmetic formulation according to claim 4 wherein said astringent material is aluminum chlorhydroxide.
Claim 8
Dependent Claim
18 words
A cosmetic formulation according to claim 4 wherein said volatile silicone is selected from 2,4,6,8-octamethylcyclotetrasiloxane, 2,4,6,8,10-decamethylcyclopentasiloxane, and 2,4,6,8,10,12-dodecamethylcyclohexasiloxane.
Claim 9
Dependent Claim
22 words
A cosmetic formulation according to claim 5 wherein R is selected from stearyl and cetyl, or mixtures thereof, and n is 100.
Claim 10
Dependent Claim
22 words
A cosmetic formulation according to claim 5 wherein R is selected from stearyl and cetyl, or mixtures thereof, and n is 150.
Claim 11
Dependent Claim
22 words
A cosmetic formulation according to claim 5 wherein R is selected from stearyl and cetyl, or mixtures thereof, and n is 200.
Claim 12
Dependent Claim
15 words
A cosmetic formulation according to claim 4 wherein said wax-like fatty alcohol is stearyl alcohol.
Claim 13
Dependent Claim
15 words
A cosmetic formulation according to claim 4 wherein said wax-like fatty alcohol is cetyl alcohol.
Claim 14
Dependent Claim
19 words
A cosmetic formulation according to claim 5 wherein said polyethoxylated fatty alcohol comprises at least about 0.1% by weight.
Claim 15
Dependent Claim
20 words
A cosmetic formulation according to claim 12 wherein said polyethoxylated fatty alcohol comprises from about 0.1 to 5% by weight.
Claim 16
Dependent Claim
86 words
A cosmetic formulation comprising stearyl or cetyl alcohol, or mixtures thereof, aluminum chlorhydroxide having a, surface area of at least 2 meters per gram measured by the nitrogen adsorption method or 3 meters per gram measured by the mercury porosimetry method, a volatile silicone, and a polyethoxylated fatty alcohol represented by the formula: ##STR4## wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer from about 100 to 200, said aluminum chlorhydroxide being uniformly distributed throughout said formulation.
Claim 17
Dependent Claim
86 words
A cosmetic formulation comprising stearyl or cetyl alcohol, or mixtures thereof, aluminum chlorhydroxide having a, surface area of at least 2 meters per gram measured by the nitrogen adsorption method or 3 meters per gram measured by the mercury porosimetry method, a volatile silicone, and a polyethoxylated fatty alcohol represented by the formula: ##STR4## wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer from about 100 to 200, said aluminum chlorhydroxide being uniformly distributed throughout said formulation.
Claim 18
Independent Claim
55 words
A method for forming an antiperspirant stick having a wax-like base and an astringent salt uniformly distributed throughout said base, which comprises adding an astringent salt having a surface area of at least 2 meters per gram measured by the nitrogen absorbtion method or 3 meters per gram measured by the mercury penetration porosimetry method.
Claim 19
Independent Claim
55 words
A method for forming an antiperspirant stick having a wax-like base and an astringent salt uniformly distributed throughout said base, which comprises adding an astringent salt having a surface area of at least 2 meters per gram measured by the nitrogen absorbtion method or 3 meters per gram measured by the mercury penetration porosimetry method.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |