US3862299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Technetium-99m albumin aggregates
Assignee: ER Squibb and Sons LLC
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Filing: 1973-06-26
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Granted: 1975-01-21
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Expires: 1993-06-26
Abstract
Abstract Disclosed herein is an aggregate comprising coprecipitated Technetium-99m sulfur colloid and denatured albumin colloid. These aggregates can be utilized in scanning lungs to determine the health of the pulmonary circulation.
Inventors
- 👤 Gerald A Bruno
- 👤 Thomas A Haney
- 👤 Puthucode N Rajamani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:10
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/12; A61K51/1217; A61K2123/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
17 words
A process in accordance with claim 1 wherein the sulfur producing reagent is an alkali metal thiosulfate.
Claim 2
Dependent Claim
15 words
A process in accordance with claim 2 wherein the denatured albumin is normal serum albumin.
Claim 3
Dependent Claim
17 words
A process in accordance with claim 3 wherein the albumin is in the first stage of denaturation.
References Cited (Backward Citations)
US3674900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |