Patent US2939820A successfully refreshed from Google Patents.
US2939820A
Expired / Lapsed
US
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Aqueous vitamin and mineral compositions
Assignee: Pfizer Inc
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Filing: 1956-06-11
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Granted: 1960-06-07
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Clifford F Gerber
- 👤 Klioze Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:50
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/24; A61K33/26; A61K31/00; A61K31/70; A61K31/7135; A61K31/714; A61K31/33; A61K31/335; A61K31/365; A61K31/375; A61K31/395; A61K31/495; A61K31/505; A61K31/519; A61K31/525; A61K31/56; A61K31/57; A61K45/00; A61K45/06; A61K2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A LIQUID PHARMACEUTICAL PREPARATION COMPRISING A VITAMIN B12 ACTIVE SUBSTANCE, ASCORBIC ACID, AND A PHARMACEUTICALLY ACCEPTABLE FORM OF IRON IN A VEHICLE COMPRISING FROM ABOUT 50 TO 75% OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC HYDROCARBON POLYOL CONTAINING AT LEAST FIVE CARBON ATOMS, AND THE ANHYDRO DERIVATIVES THEREOF, AND UP TO ABOUT 30% OF WATER, SAID VITAMIN B12 ACTIVE SUBSTANCE, ASCORBIC ACID, AND IRON BEING PRESENT IN THERAPEUTICALLY EFFECTIVE AMOUNTS.
Claim 2
Dependent Claim
74 words
A LIQUID PHARMACEUTICAL PREPARATION COMPRISING A VITAMIN B12 ACTIVE SUBSTANCE, ASCORBIC ACID, AND A PHARMACEUTICALLY ACCEPTABLE FORM OF IRON IN A VEHICLE COMPRISING FROM ABOUT 50 TO 75% OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC HYDROCARBON POLYOL CONTAINING AT LEAST FIVE CARBON ATOMS, AND THE ANHYDRO DERIVATIVES THEREOF, AND UP TO ABOUT 30% OF WATER, SAID VITAMIN B12 ACTIVE SUBSTANCE, ASCORBIC ACID, AND IRON BEING PRESENT IN THERAPEUTICALLY EFFECTIVE AMOUNTS.
References Cited (Backward Citations)
US2823167A
Cited
US2822317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |