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US2848366A
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Non-hydrated ferrous fumarate and hematinic composition thereof
Assignee: Mallinckrodt Chemical Works
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Filing: 1956-05-18
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Granted: 1958-08-19
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Bertsch
- 👤 John F Lemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:13
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/02; C07F15/025; A; A23; A23K; A23K20/00; A23K20/20; A23K20/30; A61; A61K; A61K31/00; A61K31/28; A61K31/295; A61K33/00; A61K33/24; A61K33/26; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
3 words
NON-HYDRATED FERROUS FUMARATE.
Claim 2
Dependent Claim
3 words
NON-HYDRATED FERROUS FUMARATE.
Claim 3
Dependent Claim
14 words
A HEMATINIC COMPOSITION IN DOSAGE FORM, COMPRISING NON-HYDRATED FERROUS FUMURATE AND A PHARMACEUTICAL CARRIER.
Claim 4
Dependent Claim
14 words
A HEMATINIC COMPOSITION IN DOSAGE FORM, COMPRISING NON-HYDRATED FERROUS FUMURATE AND A PHARMACEUTICAL CARRIER.
References Cited (Backward Citations)
US2135031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |