US3979506A
Expired / Lapsed
US
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Radioactive compounds for labeling proteins
Assignee: Pierce Chemical Co
•
Filing: 1974-10-11
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Granted: 1976-09-07
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Expires: 1994-10-11
Abstract
Abstract New radioactive compounds are disclosed which are useful for labeling proteins and the like for radioimmunoassay techniques. These compounds are imido esters of radioactive substituted hydroxy or alkoxy phenyls.
Inventors
- 👤 Paul K. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:42
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/531; C; C07; C07K; C07K1/00; C07K1/13
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
22 words
A compound having the structural formula ##SPC4## wherein I is a radioactive isotope; A is hydroxy or an alkoxy group; y is
Claim 2
Dependent Claim
22 words
A compound having the structural formula ##SPC4## wherein I is a radioactive isotope; A is hydroxy or an alkoxy group; y is
Claim 3
Dependent Claim
30 words
The compound of claim 1 wherein I is radioactive iodine, A is hydroxy, y is an integer of less than 10, R is an alkyl group having less than about
Claim 4
Dependent Claim
17 words
The compound of claim 2 wherein y is 1, 2 or 3, R is methyl or ethyl,
Claim 5
Dependent Claim
22 words
A compound having the structural formula ##SPC5## wherein I is a radioactive isotope; A is hydroxy or an alkoxy group and y
Claim 6
Dependent Claim
22 words
A compound having the structural formula ##SPC5## wherein I is a radioactive isotope; A is hydroxy or an alkoxy group and y
Claim 7
Dependent Claim
13 words
The compound of claim 5 wherein I is radioactive iodine, A is hydroxy
Claim 8
Dependent Claim
14 words
The compound of claim 6 wherein y is 2 and A is para-positioned relative
Claim 9
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 10
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 11
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 12
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 13
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 14
Dependent Claim
24 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound
Claim 15
Dependent Claim
27 words
A process for labeling a protein with a radioactive isotope comprising reacting, in an aqueous medium, amine groups of a protein with a compound of claim 4.
References Cited (Backward Citations)
US3444236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-07 | 1980-03-08 | 1980-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-07 | 1984-03-08 | 1984-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-07 | 1988-03-08 | 1988-09-07 | $7700.00 | Window Closed / Lapsed |