US3235462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barium sulfate and compressed gas radiopaque agent
Assignee: Eastern Baker Pharmaceutical Corp
•
Filing: 1963-04-30
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Granted: 1966-02-15
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Wolfson Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0404; C; C01; C01F; C01F11/00; C01F11/46; C01F11/462
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A BARIUM SULFATE PREPARATION WHICH COMPRISES A DISPERSION OF BARIUM SULFATE IN A LIQUID MEDIUM IN COMBINATION WITH COMPRESSED GAS ADAPTED TO EXPEL AND AERATE THE DISPERSION.
Claim 2
Dependent Claim
27 words
A BARIUM SULFATE PREPARATION WHICH COMPRISES A DISPERSION OF BARIUM SULFATE IN A LIQUID MEDIUM IN COMBINATION WITH COMPRESSED GAS ADAPTED TO EXPEL AND AERATE THE DISPERSION.
References Cited (Backward Citations)
US2294172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |