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Patent US2909463A successfully refreshed from Google Patents.
US2909463A
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US
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Amicetin a and its salts
Assignee: Pharmacia and Upjohn Co
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Filing: 1953-08-13
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Granted: 1959-10-20
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Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Boer Clarence De
- 👤 Jack W Hinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:51
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AMICETIN A, A SUBSTANCE CHARACTERIZED BY BEING EFFECTIVE IN INHIBITING THE GROWTH OF MYCOBACTERIA, CAPABLE OF FORMING SALTS WITH ACIDS, AND SPARINGLY SOLUBLE IN WATER AND METHANOL, AND IN ITS ESSENTIALLY PURE CRYSTALLINE FORM AND MELTING BETWEEN 209 AND 212 DEGREES CENTIGRADE BY HAVING AN EMPRICAL FORMULA CORRESPONDING TO THE FOLLOWING ANALYSIS: C, 59-24: H,6.74; N, 13.52: BY HAVING AN ULTRAVIOLET ABSORPTION SPECTRUM IN AQUEOUS SOLUTION EXHIBITING MAXIMA OF
Claim 2
Dependent Claim
69 words
AMICETIN A, A SUBSTANCE CHARACTERIZED BY BEING EFFECTIVE IN INHIBITING THE GROWTH OF MYCOBACTERIA, CAPABLE OF FORMING SALTS WITH ACIDS, AND SPARINGLY SOLUBLE IN WATER AND METHANOL, AND IN ITS ESSENTIALLY PURE CRYSTALLINE FORM AND MELTING BETWEEN 209 AND 212 DEGREES CENTIGRADE BY HAVING AN EMPRICAL FORMULA CORRESPONDING TO THE FOLLOWING ANALYSIS: C, 59-24: H,6.74; N, 13.52: BY HAVING AN ULTRAVIOLET ABSORPTION SPECTRUM IN AQUEOUS SOLUTION EXHIBITING MAXIMA OF
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |