Patent JPS5221426A successfully refreshed from Google Patents.
US4411883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiperspirant
Assignee: Colgate Palmolive Co
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Filing: 1975-06-06
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Granted: 1983-10-25
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Expires: 1995-06-06
Abstract
Abstract A dry aerosol antiperspirant composition containing an astringent powder, an aerosol propellant, and a di(C8-10 alkanoate) of a C2-6 alkylene diol such as propylene dipelargonate, and method of using same.
Inventors
- 👤 Divaker B. Kenkare
- 👤 Durland K. Shumway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:59
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/30; A61K8/33; A61K8/37; A61K8/375
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
65 words
A dry anhydrous aerosol antiperspirant composition in a valved, normally closed pressurized dispensing container which comprises 0.2 to 12% by weight of an astringent powder comprising at least one astringent, antiperspirant acid-reacting salt of a member of the group cohaving a particle size of less than about 100microns 0.3 to 50% of Propylene-1,2-dipelargonate, and from about 60 to 98% of a non-toxic gas-forming liquid propellant.
Claim 2
Dependent Claim
65 words
A dry anhydrous aerosol antiperspirant composition in a valved, normally closed pressurized dispensing container which comprises 0.2 to 12% by weight of an astringent powder comprising at least one astringent, antiperspirant acid-reacting salt of a member of the group cohaving a particle size of less than about 100microns 0.3 to 50% of Propylene-1,2-dipelargonate, and from about 60 to 98% of a non-toxic gas-forming liquid propellant.
Claim 3
Dependent Claim
14 words
A composition according to claim 1 in which the astringent salt is aluminum sulfamate.
Claim 4
Dependent Claim
21 words
A composition according to claim 1 and further containing about 0.05 to 3% of a suspending agent for the astringent powder.
Claim 5
Dependent Claim
27 words
A composition according to claim 3 in which the suspending agent is selected from the group consisting of hydrophobic clay, colloidal silica, aluminum soap, starch and talc.
Claim 6
Dependent Claim
29 words
A composition according to claim 4 wherein there is present 1 to 10% of the astringent powder, 0.3 to 12% of the propylene-1,2-dipelargonate, and 60 to 98% of propellant.
Claim 7
Dependent Claim
45 words
A composition according to claim 5 wherein the astringent salt is aluminum sulfamate, of which there is present 2.5 to 6%, and there is present 0.5 to 8% of the propylene-1,2-dipelargonate, 80 to 94% of the propellant, and 0.02 to 0.5% of an antibacterial agent.
Claim 8
Dependent Claim
24 words
A composition according to claim 1 wherein the astringent salt is aluminum chlorhydrate, and further containing colloidal silica or hydrophobic clay as suspending agent.
Claim 9
Dependent Claim
23 words
A composition according to claim 5 wherein the astringent salt is aluminum chlorhydrate, and the suspending agent is colloidal silica or hydrophobic clay.
Claim 10
Dependent Claim
31 words
A composition according to claim 6 wherein there is present about 3.5% of aluminum sulfamate, about 6.5% of propylene 1,2-dipelargonate, about 90% of propellant, and about 0.4% of fumed colloidal silica.
Claim 11
Dependent Claim
25 words
A method of counteracting production of human perspiration which comprises spraying onto the axillae a composition of claim 1 from the pressurized dispensing container thereof.
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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) | 1986-10-24 | 1987-04-25 | 1987-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-24 | 1991-04-25 | 1991-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-24 | 1995-04-25 | 1995-10-25 | $7700.00 | Window Closed / Lapsed |