Patent US4154833A successfully refreshed from Google Patents.
US2746902A
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Endomycin and process for its production
Assignee: Pharmacia and Upjohn Co
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Filing: 1950-12-08
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Granted: 1956-05-22
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Expires: 1970-12-08
Abstract
No abstract record available.
Inventors
- 👤 Gottlieb David
- 👤 Herbert E Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:31
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/74; A01; A01N; A01N63/00; A01N63/20; A01N63/28; C; C12; C12P; C12P21/00; C12P21/02; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A SUBSTANCE EFFECTIVE IN INHIBITING THE GROWTH OF FUNGI THAT HAS A MOLECULAR WEIGHT IN THE ORDER OF ABOUT 1300 TO 1450, IS SOLUBLE IN WATER AT PH 7.0 AND GREATER AND AT PH 2.0 AND LOWER AND RELATIVELY INSOLUBLE IN WATER AT PH 4.0 TO 6.0, SUBSTANTIALLY INSOLUBLE IN ETHER, WHOSE ULTRAVIOLET SPECTRUM EXHIBITS A CHARACTERISTIC DOUBLET WITH MAXIMA AT 226 AND 232 MILLIMICRONS, AND WHOSE INFRARED SPECTRUM EXHIBITS CHARACTERISTIC ABSORPTION MAXIMA AT THE FOLLOWING WAVE LENGTHS EXPRESSED IN RECIPROCAL CENTIMETERS: 3335, 2910, 1717, 1655, 1455, 1376, 1135, 1058, 986, 911, 853, 839 AND 719.
References Cited (Backward Citations)
US2516080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |