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US2686145A
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Water solution of khellin
Assignee: Lloyd Brothers Inc
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Filing: 1951-04-19
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Granted: 1954-08-10
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Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Lyell J Klotz
- 👤 Joseph B Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:14
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/22; A61K9/00; A61K9/0012; A61K9/0019
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN AQUEOUS SOLUTION OF KHELLIN WHICH COMPRISES WATER, KHELLIN, AND A SOLUBILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF THE SACCHARIN SALTS OF SODIUM, POTASSIUM, AND AMMONIUM, THE SOLUTION CONTAINING A SUBSTANTIALLY GREATER CONCENTRATION OF KHELLIN THAN 1.0 MG. PER ML., THE CONCENTRATION OF KHELLIN AND OF SOLUBILIZING AGENT BEING INSUFFICIENT TO RENDER THE SOLUBILIZING SATURATED AT ROOM TEMPERATURE.
Claim 2
Dependent Claim
59 words
AN AQUEOUS SOLUTION OF KHELLIN WHICH COMPRISES WATER, KHELLIN, AND A SOLUBILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF THE SACCHARIN SALTS OF SODIUM, POTASSIUM, AND AMMONIUM, THE SOLUTION CONTAINING A SUBSTANTIALLY GREATER CONCENTRATION OF KHELLIN THAN 1.0 MG. PER ML., THE CONCENTRATION OF KHELLIN AND OF SOLUBILIZING AGENT BEING INSUFFICIENT TO RENDER THE SOLUBILIZING SATURATED AT ROOM TEMPERATURE.
References Cited (Backward Citations)
US343803A
Cited
US2190749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |