US3368940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the isolation and purification of thyroglobulin
Assignee: Warner Lambert Co LLC
•
Filing: 1964-04-20
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Granted: 1968-02-13
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jr James E Turner
- 👤 Doczi John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:12
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/1703; A61K38/1709; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
PROCESS FOR SELECTIVELY ISOLATING A PARTIALLY PURIFIED THYROGOBULIN FROM A CRUDE EXTRACT OF THYROID GLANDS WHICH COMPRISES CONTACTING A SOLUTION OF CHITOSAN HAVING A PH OF FROM 4.8 TO 6.5 WITH SAID CRUDE EXTRACT OF THYROID
Claim 2
Dependent Claim
36 words
PROCESS FOR SELECTIVELY ISOLATING A PARTIALLY PURIFIED THYROGOBULIN FROM A CRUDE EXTRACT OF THYROID GLANDS WHICH COMPRISES CONTACTING A SOLUTION OF CHITOSAN HAVING A PH OF FROM 4.8 TO 6.5 WITH SAID CRUDE EXTRACT OF THYROID
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |