Patent US2541103A successfully refreshed from Google Patents.
US2541103A
Expired / Lapsed
US
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Spermicidal composition
Assignee: Ortho Pharmaceutical Corp
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Filing: 1948-04-27
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Granted: 1951-02-13
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Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frank V Sander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:34
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0014; A61K47/00; A61K47/06; A61K47/08; A61K47/10; Y; Y10; Y10S; Y10S424/00; Y10S424/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A SPERMICIDAL COMPOSITION COMPRISING IN COMBINATION WITH A VEHICLE, AN UNSATURATED FATTY ACID CONTAINING AT LEAST 10 CARBON ATOMS, AND AN ALKYLPHENOXYETHANOL OF THE FOLLOWING GENERAL FORMULA
Claim 2
Dependent Claim
27 words
A SPERMICIDAL COMPOSITION COMPRISING IN COMBINATION WITH A VEHICLE, AN UNSATURATED FATTY ACID CONTAINING AT LEAST 10 CARBON ATOMS, AND AN ALKYLPHENOXYETHANOL OF THE FOLLOWING GENERAL FORMULA
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) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |