US4022877A
Expired / Lapsed
US
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Radioactive labeled orgotein
Assignee: GT Biopharma Inc
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Filing: 1975-09-09
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Granted: 1977-05-10
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Expires: 1995-09-09
Abstract
Abstract Orgotein labeled with 99M Tc, or with a radioactive iodine isotope, preferably 131 I, is useful in scintigraphy for tissue visualization, especially the kidneys.
Inventors
- 👤 Wolfgang Huber
- 👤 Mark G. Saifer
- 👤 Lewis D. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:04
CPC Classifications
G; G21; G21H; G21H5/00; G21H5/02; A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/08; A61K51/088; A61K2123/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
7 words
Orgotein radioactively labeled with chelated 99M Tc.
Claim 2
Dependent Claim
7 words
Orgotein radioactively labeled with chelated 99M Tc.
Claim 3
Dependent Claim
19 words
Radioactively labeled orgotein according to claim 1, labeled with 10.sup. -2 to 10 2 mCi/mg of chelated 99M Tc.
Claim 4
Dependent Claim
14 words
A radioactively labeled orgotein according to claim 1, wherein the orgotein is bovine orgotein.
Claim 5
Dependent Claim
19 words
Radioactively labeled orgotein according to claim 3, labeled with 10.sup. -2 to 10 2 mCi/mg of chelated 99M Tc.
Claim 6
Dependent Claim
12 words
An iodinated tyrosine-containing orgotein congener iodinated with a radioactive isotope of iodine.
Claim 7
Dependent Claim
12 words
An iodinated tyrosine-containing orgotein congener iodinated with a radioactive isotope of iodine.
Claim 8
Dependent Claim
11 words
An iodinated orgotein according to claim 5, iodinated with 125 I.
Claim 9
Dependent Claim
18 words
An iodinated orgotein according to claim 6, having a radioactivity of 0.1 to 20 mCi/mg of 125 I.
Claim 10
Dependent Claim
14 words
An iodinated orgotein acccording to claim 7, wherein the orgotein congener is bovine orgotein.
Claim 11
Dependent Claim
22 words
A method of visualizing the kidneys by scintigraphy which comprises administering intraveously a kidney visualizing amount of a compound of claim 1.
Claim 12
Dependent Claim
22 words
A method of visualizing the kidneys by scintigraphy which comprises administering intravenously a kidney visualizing amount of a compound of claim 5.
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) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |