Patent US1232456A successfully refreshed from Google Patents.
US2823167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable vitamin b12-containing solution
Assignee: Vitarine Co Inc
•
Filing: 1955-03-29
•
Granted: 1958-02-11
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Harold L Newmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:23
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN AQUEOUS SOLUTION WHICH INCLUDES DISSOLVED CYANOCOBALAMIN AND DISSOLVED ASCORBIC ACID, THE ORIGINAL CONCENTRATION OF SAID ASCORBIC ACID BEING GREATER THAN THE ORIGINAL CONCENTRATION OF SAID CYANCOBALAMIN, SAID DISSOLVED ASCORBIC ACID BEING IN SUFFICIENT ORIGINAL CONCENTRATION TO INDUCE DECOMPOSITION OF SAID DISSOLVED CYANOCOBALAMIN IN A CYANOCOBALAMIN-DESTROYING REACTION, IN THE ABSENCE OF A STABILIZING AGENT, SAID SOLUTION HAVING AN ADDED STABILIZING AGENT DISSOLVED THEREIN, SAID STABLIZ-ZING AGENT BEING AN IRON COMPOUND, SAID IRON COMPOUND BEING SOLUBLE AND SUBSTANTIALLY NON-TOXIC IN THE CONCENTRATION PRESENT IN SAID SOLUTION, THE ELEMENTAL IRON CONTENT IN SAID STABILIZING IRON COMPOUND BEING IN THE RANGE OF SUBSTANTIALLY SEVENTEEN MICROGRAMS TO SEVENTEEN-HUNDRED MICROGRAMS PER CUBIC CENTIMETER, SAID SELECTED CONCENTRATION OF SAID IRON COMPOUND BEING BELOW A DIALY DOSAGE OF TEN MILLIGRAMS OF ELEMENTAL IRON.
Claim 2
Dependent Claim
126 words
AN AQUEOUS SOLUTION WHICH INCLUDES DISSOLVED CYANOCOBALAMIN AND DISSOLVED ASCORBIC ACID, THE ORIGINAL CONCENTRATION OF SAID ASCORBIC ACID BEING GREATER THAN THE ORIGINAL CONCENTRATION OF SAID CYANCOBALAMIN, SAID DISSOLVED ASCORBIC ACID BEING IN SUFFICIENT ORIGINAL CONCENTRATION TO INDUCE DECOMPOSITION OF SAID DISSOLVED CYANOCOBALAMIN IN A CYANOCOBALAMIN-DESTROYING REACTION, IN THE ABSENCE OF A STABILIZING AGENT, SAID SOLUTION HAVING AN ADDED STABILIZING AGENT DISSOLVED THEREIN, SAID STABLIZ-ZING AGENT BEING AN IRON COMPOUND, SAID IRON COMPOUND BEING SOLUBLE AND SUBSTANTIALLY NON-TOXIC IN THE CONCENTRATION PRESENT IN SAID SOLUTION, THE ELEMENTAL IRON CONTENT IN SAID STABILIZING IRON COMPOUND BEING IN THE RANGE OF SUBSTANTIALLY SEVENTEEN MICROGRAMS TO SEVENTEEN-HUNDRED MICROGRAMS PER CUBIC CENTIMETER, SAID SELECTED CONCENTRATION OF SAID IRON COMPOUND BEING BELOW A DIALY DOSAGE OF TEN MILLIGRAMS OF ELEMENTAL IRON.
References Cited (Backward Citations)
US2584627A
Cited
US2695860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |