Patent US4277393A successfully refreshed from Google Patents.
US4277393A
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Radioimmunoassay method for determining calcitonin and radioactive tracer for use therein
Assignee: DAIICHI RADIOSOTOPE LABORATORIES Ltd
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Filing: 1978-10-16
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Granted: 1981-07-07
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Expires: 1998-10-16
Abstract
Abstract A hentriacontapeptide of the formula (I) ##STR1## a radioactive labeled hentriacontapeptide of the formula (I), useful in a radioimmunoassay method and a radioimmunoassay method for determining calcitonin.
Inventors
- 👤 Shumpei Sakakibara
- 👤 Yuichi Kumahara
- 👤 Yoshiaki Okada
- 👤 Hiroshi Ogawa
- 👤 Nobuhiko Nakazawa
- 👤 Shoichiro Tsushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:25
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/58; G01N33/60; C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/585; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A radioactive iodine labeled hentriacontapeptide of the formula (I): ##STR18##
Claim 2
Dependent Claim
10 words
A radioactive iodine labeled hentriacontapeptide of the formula (I): ##STR18##
References Cited (Backward Citations)
US3997525A
Cited
DE2826844A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-06 | 1985-01-05 | 1985-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-06 | 1989-01-05 | 1989-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-06 | 1993-01-05 | 1993-07-07 | $7700.00 | Window Closed / Lapsed |