Patent US4087603A successfully refreshed from Google Patents.
US4087603A
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US
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Antifungal antibiotics
Assignee: Eli Lilly and Co
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Filing: 1976-09-27
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Granted: 1978-05-02
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Expires: 1996-09-27
Abstract
Abstract 5'-Deoxy-5'-(3'-aminopiperidin-2-one-6-yl)adenosine and 5'-deoxy-5'-(1-amino-4-ureido-4-carboxyamidobutyl)-adenosine and the pharmaceutically acceptable acid addition salts thereof are antifungal antibiotics active vs. systemic infections produced by culturing Streptomyces griseolus NRRL 3739 and are isolated from the broth and obtained pure via chromatography over cationic resin.
Inventors
- 👤 Robert L. Hamill
- 👤 Ramakrishnan Nagarajan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:12
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; A; A01; A01N; A01N43/00; A01N43/90
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
A compound in substantially pure form selected from the group consisting of ##STR6## and the pharmaceutically acceptable, non-toxic acid addition salts thereof.
Claim 2
Dependent Claim
22 words
A compound in substantially pure form selected from the group consisting of ##STR6## and the pharmaceutically acceptable, non-toxic acid addition salts thereof.
Claim 3
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR7##
Claim 4
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR8##
References Cited (Backward Citations)
US3758681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-01 | 1981-10-31 | 1982-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-01 | 1985-10-31 | 1986-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-01 | 1989-10-31 | 1990-05-02 | $7700.00 | Window Closed / Lapsed |