US2888381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of citrus bioflavonoids
Assignee: US Vitamin Corp
•
Filing: 1955-09-01
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Granted: 1959-05-26
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Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Freedman Louis
- 👤 Merritt A Jay
- 👤 Sidney A Sadin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:18
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A COMPOSITION USEFUL FOR THERAPEUTIC ADMINISTRATION, COMPRISING A STABLE SOLUTION OF CITRUS BIO-FLAVONOID COMPLEX IN PROPYLENE GLYCOL, AND WATER, THE AMOUNT OF WATER BEING SUFFICIENT TO GIVE A LIMPID SOLUTION BUT BEING LIMITED TO A PERCENTAGE BELOW THAT WHICH WOULD CAUSE HYDROLYSIS OF THE BIO-FLAVONOID COMPLEX IN THE SOLUTION.
Claim 2
Dependent Claim
49 words
A COMPOSITION USEFUL FOR THERAPEUTIC ADMINISTRATION, COMPRISING A STABLE SOLUTION OF CITRUS BIO-FLAVONOID COMPLEX IN PROPYLENE GLYCOL, AND WATER, THE AMOUNT OF WATER BEING SUFFICIENT TO GIVE A LIMPID SOLUTION BUT BEING LIMITED TO A PERCENTAGE BELOW THAT WHICH WOULD CAUSE HYDROLYSIS OF THE BIO-FLAVONOID COMPLEX IN THE SOLUTION.
References Cited (Backward Citations)
US2543674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |