US3192118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose crystallites radiopaque media
Assignee: FMC Corp
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Filing: 1964-04-23
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Granted: 1965-06-29
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Orlando A Battista
- 👤 Glen T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433; A61K49/0447; A61K49/0476; A61K49/0409; C; C08; C08L; C08L1/00; C08L1/02; Y; Y10; Y10S; Y10S424/00; Y10S424/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A RADIOPAQUE MEDIUM COMPRISING A STABEL HOMOGENEOUS LIQUID SUSPENSION OF FROM 3 TO 35% BY WEIGHT OF CELLULOSE CRYSTALLITE AGGREGATES HAVING AN AVERAGE LEVELOFF D.P. OF 15 TO 375 ANHYDROGLUCOSE UNITS AND ANOTHER RADIOPAQUE MATERIAL, SAID LIQUID SELECTED FROM THE GROUP CONSISTING OF AQUEOUS AND OLEAGINOUS LIQUIDS.
Claim 2
Dependent Claim
47 words
A RADIOPAQUE MEDIUM COMPRISING A STABEL HOMOGENEOUS LIQUID SUSPENSION OF FROM 3 TO 35% BY WEIGHT OF CELLULOSE CRYSTALLITE AGGREGATES HAVING AN AVERAGE LEVELOFF D.P. OF 15 TO 375 ANHYDROGLUCOSE UNITS AND ANOTHER RADIOPAQUE MATERIAL, SAID LIQUID SELECTED FROM THE GROUP CONSISTING OF AQUEOUS AND OLEAGINOUS LIQUIDS.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |