US2711989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing radioactive glutathione
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1955-06-28
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Laufer Louis
- 👤 Gutcho Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:54
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/08; A61K2121/00; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF ISOLATION OF S35 LABELED GLUTATHIONE FROM YEAST CELLS GROWN IN S35 SULFATE CONTAINING MEDIA COMPRISING THE STEPS OF PROGAGATION OF YEAST ON A SEMIMICRO SCALE IN AN S35 SULFATE MEDIUM HAVING A HIGH LEVEL OF SPECIFIC ACTIVITY AND ADDING UNLABELED GLUTATHIONE AS CARRIER FOR THE HIGHLY RADIOACTIVE S35 GLUTATHIONE SYNTHESIZED.
Claim 2
Independent Claim
53 words
THE METHOD OF ISOLATION OF S35 LABELED GLUTATHIONE FROM YEAST CELLS GROWN IN S35 SULFATE CONTAINING MEDIA COMPRISING THE STEPS OF PROGAGATION OF YEAST ON A SEMIMICRO SCALE IN AN S35 SULFATE MEDIUM HAVING A HIGH LEVEL OF SPECIFIC ACTIVITY AND ADDING UNLABELED GLUTATHIONE AS CARRIER FOR THE HIGHLY RADIOACTIVE S35 GLUTATHIONE SYNTHESIZED.
References Cited (Backward Citations)
US2376186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |