Patent US4985238A successfully refreshed from Google Patents.
US4985238A
Expired / Lapsed
US
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Low residue antiperspirant sticks
Assignee: Procter and Gamble Co
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Filing: 1989-03-14
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Granted: 1991-01-15
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Expires: 2009-03-14
Abstract
Abstract Suspensoid antiperspirant stick compositions, which provide the user with excellent antiperspirant efficacy, reduced residue upon application to the skin, reduced residue on the stick after dry-down, and excellent cosmetics and aesthetics, are disclosed. These compositions are substantially free of water and comprise a volatile silicone material, a particulate antiperspirant active, a low melting point wax, and a non-volatile paraffinic hydrocarbon fluid selected from mineral oils and branched chain C 16 -C 68 hydrocarbons. The method of preventing and controlling perspiration wetness using these compositions is also disclosed.
Inventors
- 👤 Paul R. Tanner
- 👤 Randolph G. Nunn, Jr.
- 👤 John P. Luebbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:52
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/19; A61K8/26; A61K8/28; A61K8/30; A61K8/31; A61K8/58; A61K8/585; A61Q; A61Q15/00; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
105 words
A suspensoid low residue antiperspirant stick composition, substantially free of water and containing from 0 to about 4% of total particulate materials other than the antiperspirant active, comprising: (a) from about 30% to about 70% of a volatile silicone material; (b) from about 5% to about 35% of a particulate antiperspirant active; (c) from about 3% to about 20% of a non-volatile paraffinic hydrocarbon fluid selected from the group consisting of mineral oils, branched chain hydrocarbons containing an average of from about 20 to about 40 carbon atoms, and mixtures thereof; and (d) from about 10% to about 20% of a low melting point wax.
Claim 2
Dependent Claim
105 words
A suspensoid low residue antiperspirant stick composition, substantially free of water and containing from 0 to about 4% of total particulate materials other than the antiperspirant active, comprising: (a) from about 30% to about 70% of a volatile silicone material; (b) from about 5% to about 35% of a particulate antiperspirant active; (c) from about 3% to about 20% of a non-volatile paraffinic hydrocarbon fluid selected from the group consisting of mineral oils, branched chain hydrocarbons containing an average of from about 20 to about 40 carbon atoms, and mixtures thereof; and (d) from about 10% to about 20% of a low melting point wax.
Claim 3
Dependent Claim
34 words
A suspensoid low residue antiperspirant stick composition according to claim 1 wherein the antiperspirant active is selected from the group consisting of inorganic and organic salts of aluminum, zirconium and zinc, and mixtures thereof.
Claim 4
Dependent Claim
48 words
A suspensoid low residue antiperspirant stick composition according to claim 2 wherein the volatile silicone material is selected from the group consisting of cyclic polydimethylsiloxanes having from about 3 to about 7 silicon atoms, linear polydimethylsiloxanes having from about 3 to about 9 silicon atoms, and mixtures thereof.
Claim 5
Dependent Claim
25 words
A suspensoid low residue antiperspirant stick composition according to claim 3 additionally containing from about 1% to about 7% of a high melting point wax.
Claim 6
Dependent Claim
36 words
A suspensoid low residue antiperspirant stick composition according to claim 3 wherein the low melting point wax is selected from the group consisting of stearyl alcohol, cetyl alcohol, palmitic acid, myristyl alcohol, paraffin, and mixtures thereof.
Claim 7
Dependent Claim
42 words
A suspensoid low residue antiperspirant stick composition according to claim 3 wherein the non-volatile paraffinic hydrocarbon fluid is selected from the group consisting of branched chain hydrocarbons containing an average of from about 20 to about 40 carbon atoms, and mixtures thereof.
Claim 8
Dependent Claim
23 words
A suspensoid low residue antiperspirant stick composition according to claim 6 comprising from about 5% to about 15% of the branched chain hydrocarbons.
Claim 9
Dependent Claim
69 words
A suspensoid low residue antiperspirant stick composition according to claim 7 wherein the antiperspirant active has the formula Al 2 (OH) x Q y .XH 2 O, where Q is selected from the group consisting of chlorine, bromine and iodine, x is from about 2 to about 5, x+y=about 6, and x and y do not need to be integers, and X is from about 1 to about 6.
Claim 10
Dependent Claim
29 words
A suspensoid low residue antiperspirant stick composition according to claim 8 wherein the volatile silicone material has the formula ##STR2## wherein n is from about 3 to about 7.
Claim 11
Dependent Claim
23 words
A suspensoid low residue antiperspirant stick composition according to claim 9 comprising from about 35% to about 50% of the volatile silicone material.
Claim 12
Dependent Claim
33 words
A method for preventing and controlling perspiration wetness in humans comprising the application to the underarm area of an effective amount of the suspensoid low residue antiperspirant stick composition according to claim 1.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-01-14 | 1994-07-16 | 1995-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-14 | 1998-07-16 | 1999-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-14 | 2002-07-16 | 2003-01-15 | $7700.00 | Window Closed / Lapsed |