Patent US4358585A successfully refreshed from Google Patents.
US4358585A
Expired / Lapsed
US
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5-Deoxyapramycin
Assignee: Shionogi and Co Ltd
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Filing: 1981-10-22
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Granted: 1982-11-09
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Expires: 2001-10-22
Abstract
Abstract Novel 5-deoxyapramycin having the reinforced antimicrobial activity against gram-positive and negative bacteria with less side effects, resulted from reductive removal of 5-hydroxy group of apramycin through halogenation.
Inventors
- 👤 Kikuo Igarashi
- 👤 Tsunetoshi Honma
- 👤 Tamio Sugawara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:20
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H15/222; C07H15/224; A; A61; A61P; A61P31/00; A61P31/04; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
5-Deoxyapramycin represented by the following formula and the pharmaceutically acceptable acid addition salts thereof ##STR5## .
Claim 2
Dependent Claim
16 words
5-Deoxyapramycin represented by the following formula and the pharmaceutically acceptable acid addition salts thereof ##STR5## .
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) | 1985-11-08 | 1986-05-10 | 1986-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-08 | 1990-05-10 | 1990-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-08 | 1994-05-10 | 1994-11-09 | $7700.00 | Window Closed / Lapsed |