US4113852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiperspirant composition
Assignee: Colgate Palmolive Co
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Filing: 1975-03-12
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Granted: 1978-09-12
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Expires: 1995-03-12
Abstract
Abstract An improved antiperspirant composition is prepared by spray drying together a mixture of aluminum chloride, aluminum chlorhydrate, and urea. The impalpable powder which is formed is incorporated into an aerosol antiperspirant formulation.
Inventors
- 👤 Divaker B. Kenkare
- 👤 Durland K. Shumway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:42
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61K8/19; A61K8/26; A61Q; A61Q15/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
37 words
An antiperspirant composition prepared by co-spray drying an aqueous solution of a mixture of about 78% to about 92% by weight aluminum chlorhydrate, about 6% to about 12% aluminum chloride and about 1% to about 10% urea.
Claim 2
Dependent Claim
37 words
An antiperspirant composition prepared by co-spray drying an aqueous solution of a mixture of about 78% to about 92% by weight aluminum chlorhydrate, about 6% to about 12% aluminum chloride and about 1% to about 10% urea.
Claim 3
Dependent Claim
52 words
The antiperspirant composition of claim 1 wherein the aluminum chlorhydrate is present in amounts of about 85% to about 90% by weight, the aluminum chloride is present in amounts of about 8% to about 12% by weight and the urea is present in amounts of about 2% to about 7% by weight.
Claim 4
Dependent Claim
18 words
An aerosol antiperspirant formulation comprising the antiperspirant composition of claim 1 and a non-toxic, liquefied, normally gaseous propellant.
Claim 5
Dependent Claim
21 words
The aerosol antiperspirant formulation of claim 3 wherein the antiperspirant composition is present in amounts of from 2% to about 15%.
Claim 6
Dependent Claim
23 words
The aerosol antiperspirant formulation of claim 3 wherein the antiperspirant composition is present in amounts of about 3% to about 8% by weight.
Claim 7
Dependent Claim
43 words
The aerosol antiperspirant formulation of claim 4 wherein the propellant is present in an amount of about 60 to 95% by weight and further including about 0.5 to 15% by weight of a vehicle and about 0.1 to 3% of a suspending agent.
Claim 8
Dependent Claim
19 words
A composition as defined in claim 1 wherein said mixture has an atomic ratio of Al:Cl of about 1.6:1.
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) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |