US3959459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting perspiration with tetrakis-(trialkyl siloxy) compounds
Assignee: Procter and Gamble Co
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Filing: 1971-10-04
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Granted: 1976-05-25
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Expires: 1991-10-04
Abstract
Abstract Antiperspirant compositions containing tetrakis-(trialkylsiloxy)-titanate or zirconate compounds as antiperspirant agents.
Inventors
- 👤 John D. Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:28
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/28; A61K8/29
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
54 words
A method for inhibiting perspiration comprising applying to human skin an effective amount of a tetrakis(trialkylsiloxy) compound of the formula M(OSiR.sub.3).sub.4 wherein M is selected from the group consisting of titanium and zirconium and wherein each substituent R is alkyl, cycloalkyl or branched chain alkyl of from about C 1 to C 14 .
Claim 2
Independent Claim
54 words
A method for inhibiting perspiration comprising applying to human skin an effective amount of a tetrakis(trialkylsiloxy) compound of the formula M(OSiR.sub.3).sub.4 wherein M is selected from the group consisting of titanium and zirconium and wherein each substituent R is alkyl, cycloalkyl or branched chain alkyl of from about C 1 to C 14 .
Claim 3
Dependent Claim
21 words
A method according to claim 1 wherein each substituent R in the tetrakis-(trialkylsiloxy) compound is C 1 to C 3 alkyl.
Claim 4
Dependent Claim
22 words
A method according to claim 2 wherein the tetrakis-(trialkylsiloxy) compound is a member selected from the group consisting of tetrakis-(triethylsiloxy)titanate and tetrakis-(triethylsiloxy)zirconate.
References Cited (Backward Citations)
US3046268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |