US2623840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spermicidal compositions
Assignee: Julius Schmid Inc
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Filing: 1950-11-21
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Granted: 1952-12-30
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Expires: 1970-11-21
Abstract
No abstract record available.
Inventors
- 👤 Taub Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/74; A61K31/765; A01; A01N; A01N37/00; A01N37/12; Y; Y10; Y10S; Y10S424/00; Y10S424/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
AN IMPROVED SPERMICIDAL JELLY COMPOSITION EFFECTIVE WITHIN A RELATIVELY SHORT PERIOD OF TIME WITHOUT IRRITATING DELICATE BODY MEMBRANES CONTACTING THEREWITH WHICH COMPRISES A SPERMICIDAL AGENT CONSISTING OF A FATTY ACID ESTER OF A POLYOXYETHYLENE GLYCOL, SAID GLYCOL HAVING THE GENERIC FORMUAL CH2OH(CH2OCH2)XCH2OH, IN WHICH "X" IS AN INTEGER OF AT LEAST 2, IN COMBINATION WITH A FATTY ACID HAVING AT LEAST SIX CARBON ATOMS, A WATER-DISPERSIBLE THICKENING AGENT HAVING ADHESIVE ACTION IN THE COMPOSITION, A HUMECTANT PLASTICIZING AGENT THEREFOR, AND A BORATE-BORIC ACID BUFFER RENDERING THE COMPOSITION ALKALINE TO A PH RANGING FROM APPROXIMATELY 9 TO 10, SAID COMPOSITION BEING ADAPTED FOR USE IN AN AQUEOUS VEHICLE.
References Cited (Backward Citations)
US2467884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |