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US4151272A
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Wax-like antiperspirant stick compositions
Assignee: Wyeth Holdings LLC
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Filing: 1978-01-13
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Granted: 1979-04-24
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Expires: 1998-01-13
Abstract
Abstract Wax-like compositions useful for antiperspirant or deodorant sticks, generally hydrophobic in nature, which contain ingredients having a high hydrophile-lipophile balance to improve the efficacy of such compositions.
Inventors
- 👤 Daniel C. Geary
- 👤 Helga Krevald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:07
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/342; A61K8/39; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
85 words
An antiperspirant stick consisting essentially of from about 15 to 30% by weight of a wax-like fatty alcohol, from about 15 to 35% by weight of an astringent material, in an amount up to about 80% by weight of a volatile silicone, from about 0.01 to 5% by weight of a polyethoxylated fatty alcohol represented by the formula: R--O--CH.sub.2 CH.sub.2 O).sub.n H wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer of about 100 to 200.
Claim 2
Dependent Claim
85 words
An antiperspirant stick consisting essentially of from about 15 to 30% by weight of a wax-like fatty alcohol, from about 15 to 35% by weight of an astringent material, in an amount up to about 80% by weight of a volatile silicone, from about 0.01 to 5% by weight of a polyethoxylated fatty alcohol represented by the formula: R--O--CH.sub.2 CH.sub.2 O).sub.n H wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer of about 100 to 200.
Claim 3
Dependent Claim
14 words
An antiperspirant stick according to claim 1 wherein said astringent material is aluminum chlorohydrate.
Claim 4
Dependent Claim
22 words
An antiperspirant stick according to claim 1 wherein said volatile silicone is selected from the group consisting of 2,4,6,8-octamethylcyclotetrasiloxane, 2,4,6,8,10-decamethylcyclopentasiloxane, and 2,4,6,8,10,12-dodecamethylcyclohexasiloxane.
Claim 5
Dependent Claim
25 words
An antiperspirant stick according to claim 1 wherein R is selected from the group consisting of stearyl, cetyl and mixtures thereof, and n is 100.
Claim 6
Dependent Claim
25 words
An antiperspirant stick according to claim 1 wherein R is selected from the group consisting of stearyl, cetyl and mixtures thereof, and n is 150.
Claim 7
Dependent Claim
25 words
An antiperspirant stick according to claim 1 wherein R is selected from the group consisting of stearyl, cetyl and mixtures thereof, and n is 200.
Claim 8
Dependent Claim
15 words
An antiperspirant stick according to claim 1 wherein said wax-like fatty alcohol is stearyl alcohol.
Claim 9
Dependent Claim
15 words
An antiperspirant stick according to claim 1 wherein said wax-like fatty alcohol is cetyl alcohol.
Claim 10
Dependent Claim
28 words
An antiperspirant according to claim 1 comprising up to 5 percent by weight of a modified clay obtained by reacting a bentonite or hectorite clay with dimethyldistearylammonium chloride.
Claim 11
Dependent Claim
20 words
An antiperspirant stick according to claim 1 wherein said polyethoxylated fatty alcohol comprises from about 0.1 to 5% by weight.
Claim 12
Dependent Claim
83 words
An antiperspirant stick consisting essentially of from about 15 to 30% by weight of stearyl alcohol or cetyl alcohol, or mixtures thereof, from about 15 to 35% weight of aluminum chlorohydroxide, up to 80% by weight of a volatile silicone, and from about 0.01 to 5% by weight a polyethoxylated fatty alcohol represented by the formula: R--O--CH.sub.2 CH.sub.2 O).sub.n H wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer from about 100 to 200.
Claim 13
Dependent Claim
83 words
An antiperspirant stick consisting essentially of from about 15 to 30% by weight of stearyl alcohol or cetyl alcohol, or mixtures thereof, from about 15 to 35% weight of aluminum chlorohydroxide, up to 80% by weight of a volatile silicone, and from about 0.01 to 5% by weight a polyethoxylated fatty alcohol represented by the formula: R--O--CH.sub.2 CH.sub.2 O).sub.n H wherein R represents an alkyl radical of about 16 to 18 carbon atoms and n is an integer from about 100 to 200.
Claim 14
Dependent Claim
10 words
An antiperspirant stick according to claim 1 containing fumed silica.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |