US2768112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repository vitamin compositions
Assignee: Bristol Laboratories Inc
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Filing: 1953-10-21
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Granted: 1956-10-23
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Expires: 1973-10-21
Abstract
No abstract record available.
Inventors
- 👤 Buckwalter Frank Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A SUBSTANTIALLY ANHYDROUS FLUID BOVINE PREPARATION COMPRISING VITAMIN A DISPERSED IN A VEHICLE COMPRISING AN INJECTABLE OIL HAVING DISPERSED THEREIN A QUANTITY OF AN ALUMINUM STEARATE SUFFICIENT TO MAINTAIN PROLONGED PRESENCE IN THE BLOOD STREAM OF SAID VITAMIN UPON INJECTION OF SAID PREPARATION COMPARED WITH THE DURATION OF PRESENCE IN THE BLOOD STREAM OBTAINED UPON INJECTION OF A SIMILAR PREPARATION CONTAINING NO STEARATE AND CHARACTERIZED IN THAT SAID INJECTABLE OIL IS A NONDRYING SAPONIFIABLE OIL WHICH IS NORMALLY LIQUID AND THE QUANTITY OF A ALUMINUM STEARATE DISPERSED IN SAID INJECTABLE OIL IS WITHIN THE RANGE OF FROM APPROXIMATELY 0.1 TO APPROXIMATELY 10% BASED UPON PARTS BY WEIGHT OF SAID STEARATE TO PARTS BY VOLUME OF SAID OIL.
Claim 2
Dependent Claim
117 words
A SUBSTANTIALLY ANHYDROUS FLUID BOVINE PREPARATION COMPRISING VITAMIN A DISPERSED IN A VEHICLE COMPRISING AN INJECTABLE OIL HAVING DISPERSED THEREIN A QUANTITY OF AN ALUMINUM STEARATE SUFFICIENT TO MAINTAIN PROLONGED PRESENCE IN THE BLOOD STREAM OF SAID VITAMIN UPON INJECTION OF SAID PREPARATION COMPARED WITH THE DURATION OF PRESENCE IN THE BLOOD STREAM OBTAINED UPON INJECTION OF A SIMILAR PREPARATION CONTAINING NO STEARATE AND CHARACTERIZED IN THAT SAID INJECTABLE OIL IS A NONDRYING SAPONIFIABLE OIL WHICH IS NORMALLY LIQUID AND THE QUANTITY OF A ALUMINUM STEARATE DISPERSED IN SAID INJECTABLE OIL IS WITHIN THE RANGE OF FROM APPROXIMATELY 0.1 TO APPROXIMATELY 10% BASED UPON PARTS BY WEIGHT OF SAID STEARATE TO PARTS BY VOLUME OF SAID OIL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |