US2510164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble derivatives of nicotinic acid and process for preparing them
Assignee: United States Department of Agriculture
•
Filing: 1945-04-24
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Granted: 1950-06-06
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Expires: 1965-04-24
Abstract
No abstract record available.
Inventors
- 👤 Charles F Woodward
- 👤 Charles O Badgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:34
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A21; A21D; A21D2/00; A21D2/08; A21D2/24; A23; A23L; A23L29/00; A23L29/03; A23L29/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
IN A METHOD OF FORTIFYING A FOOD WITH ANTIPELLAGRA FACTOR, SAID FOOD BEING ONE WHICH IS PROCESSED WITH WATER SUBSEQUENT TO FORTIFICATION, THE IMPROVEMENT COMPRISING ADDING TO THE FOOD A COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
35 words
IN A METHOD OF FORTIFYING A FOOD WITH ANTIPELLAGRA FACTOR, SAID FOOD BEING ONE WHICH IS PROCESSED WITH WATER SUBSEQUENT TO FORTIFICATION, THE IMPROVEMENT COMPRISING ADDING TO THE FOOD A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US1611978A
Cited
US2375301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |