US2709149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing vitamin compositions
Assignee: Individual
•
Filing: 1950-01-26
•
Granted: 1955-05-24
•
Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 Russell P Dunmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:49
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR STABILIZING THE SUBSTANTIALLY ANHYDROUS COMBINATION COMPRISING A VITAMIN AND A HYDROGENATED OIL WHICH COMPRISES SUBJECTING THE COMBINATION IN A LIQUID STATE PRIOR TO SOLIDIFICATION TO A COLLOIDAL GRINDING ACTION WHILE MAINTAINING THE LIQUID IN AN INERT ATMOSPHERE WHEREBY THE LIQUID COMBINATION IS SUBJECTED TO HIGH SHEARING FORCES WHILE FLOWING IN A THIN FILM.
Claim 2
Dependent Claim
56 words
A PROCESS FOR STABILIZING THE SUBSTANTIALLY ANHYDROUS COMBINATION COMPRISING A VITAMIN AND A HYDROGENATED OIL WHICH COMPRISES SUBJECTING THE COMBINATION IN A LIQUID STATE PRIOR TO SOLIDIFICATION TO A COLLOIDAL GRINDING ACTION WHILE MAINTAINING THE LIQUID IN AN INERT ATMOSPHERE WHEREBY THE LIQUID COMBINATION IS SUBJECTED TO HIGH SHEARING FORCES WHILE FLOWING IN A THIN FILM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |