US2832722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiopaque formulation comprising pvp as bodying agent
Assignee: Ortho Pharmaceutical Corp
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Filing: 1953-07-15
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Granted: 1958-04-29
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Heroa O Singher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:51
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433; A61K49/0447; A61K49/0452; Y; Y10; Y10S; Y10S424/00; Y10S424/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A RADIOPAQUE FORMULATION FOR INTRODUCTION INTO HOLLOW BODY ORGANS AND BODY TISSUES CONTAINING SINUSES COMPRISING: AN AQUEOUS SOLUTION OF POLYVINYLPYRROLIDONE AND A SALT OF AN IODINATED ORGANIC COMPOUND, THE SOLUTION HAVING A VISCOSITY AFTER STERILLIZATION OF 50-300 CENTIPOISES AT 37*C. AND AN IODINE CONTENT OF 150-325 MILLIGRAMS OF IODINE PER GRAM; THE POLYVINYLPYRROLIDONE HAVING A VISCOSITY COEFFICIENT OF ABOUT 20-33, A MOLECULAR WEIGHT RANGE OF 15,000-80,000 AND AN AVERAGE MOLECULAR WEIGHT OF ABOUT 20,000-40,000; AND THE SALT OF AN IODINATED ORGANIC COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF SALTS OF IODINATED ALIPHATIC, AROMATIC AND HETEROCYCLIC COMPOUNDS.
Claim 2
Dependent Claim
97 words
A RADIOPAQUE FORMULATION FOR INTRODUCTION INTO HOLLOW BODY ORGANS AND BODY TISSUES CONTAINING SINUSES COMPRISING: AN AQUEOUS SOLUTION OF POLYVINYLPYRROLIDONE AND A SALT OF AN IODINATED ORGANIC COMPOUND, THE SOLUTION HAVING A VISCOSITY AFTER STERILLIZATION OF 50-300 CENTIPOISES AT 37*C. AND AN IODINE CONTENT OF 150-325 MILLIGRAMS OF IODINE PER GRAM; THE POLYVINYLPYRROLIDONE HAVING A VISCOSITY COEFFICIENT OF ABOUT 20-33, A MOLECULAR WEIGHT RANGE OF 15,000-80,000 AND AN AVERAGE MOLECULAR WEIGHT OF ABOUT 20,000-40,000; AND THE SALT OF AN IODINATED ORGANIC COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF SALTS OF IODINATED ALIPHATIC, AROMATIC AND HETEROCYCLIC COMPOUNDS.
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |