Patent US2951014A successfully refreshed from Google Patents.
US2951014A
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Process for a stable oil suspension
Assignee: Pharmacia and Upjohn Co
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Filing: 1957-01-03
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Granted: 1960-08-30
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Expires: 1977-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harold G Garman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:46
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0087; A61K9/0095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN THE PROCESS OF PREPARING A STABLE OIL SUSPENSION FOR PHARMACEUTICAL USE, THE STEP WHICH COMPRISES THE INTIMATE MIXING AND BLENDING OF AT LEAST ONE ACTIVE PRINCIPAL SOLID INGREDIENT AND A PLURALITY OF OTHER PRINCIPLE SOLID INGREDIENTS TO BE SUSPENDED IN AN OIL VEHICLE BY SIMULTANEOUSLY REDUCTION IN SUITABLE PARTICLE SIZE PRIOR TO SUSPENSION IN SAID OIL VEHICLE, THE PARTICLE SIZE TO BE 99% LESS THAN 60 MICRONS.
Claim 2
Dependent Claim
68 words
IN THE PROCESS OF PREPARING A STABLE OIL SUSPENSION FOR PHARMACEUTICAL USE, THE STEP WHICH COMPRISES THE INTIMATE MIXING AND BLENDING OF AT LEAST ONE ACTIVE PRINCIPAL SOLID INGREDIENT AND A PLURALITY OF OTHER PRINCIPLE SOLID INGREDIENTS TO BE SUSPENDED IN AN OIL VEHICLE BY SIMULTANEOUSLY REDUCTION IN SUITABLE PARTICLE SIZE PRIOR TO SUSPENSION IN SAID OIL VEHICLE, THE PARTICLE SIZE TO BE 99% LESS THAN 60 MICRONS.
References Cited (Backward Citations)
US2361922A
Cited
US2507193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |