Patent US2759870A successfully refreshed from Google Patents.
US2759870A
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Compositions containing folic acid
Assignee: Vitarine Co Inc
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Filing: 1952-10-23
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Granted: 1956-08-21
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Expires: 1972-10-23
Abstract
No abstract record available.
Inventors
- 👤 Harold L Newmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/519; A61K31/525
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
AS A NEW COMPOSITION OF MATTER, AN AQUEOUS SOLUTION OF FOLIC, ACID SOLUTION HAVING A PH LOWER THAN 7.0, CONTAINING GENTISIC ACID ETHANOLAMIDE IN AN AMOUNT SAID SOLUTION ALSO CONTAINING RIBOFLAVIN, THE AMOUNT OF FOLIC ACID IN THE SOLUTION EXCEEDING THAT NORMALLY SOLUBLE IN WATER UNDER OTHERWISE EQUAL CONDITIONS OF TEMPERATURE AND PH BUT IN THE ABSENCE OF GENTISIC ACID ETHANOLAMIDE.
References Cited (Backward Citations)
US2463461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |