US3579501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-(alpha-(3 - guanyl - 1 - ureido)phenyl- or thienyl-acetamido)penicillanic acids
Assignee: Bristol Myers Co
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Filing: 1969-08-22
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Granted: 1971-05-18
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Expires: 1989-08-22
Abstract
Abstract 6-(A-(3-GUANYL - 1 - UREIDO) PHENYLACETAMIDO)- AND 6(A-(3-GUANYL - 1 - UREIDO)THIENYLACETAMIDO) - PENICILLANIC ACIDS ARE VALUABLE AS ANTIBACTERIAL AGENTS, NUTRITIONAL SUPPLEMENTS IN ANIMAL FEEDS, THERAPEUTIC AGENTS IN POULTRY AND ANIMALS, INCLUDING MAN, AND ARE ESPECIALLY USEFUL IN THE TREATMENT OF INFECTIOUS DIESEASES CAUSED BY GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA, MOST PARTICULARLY THOSE CAUSED BY THE PSEUDOMONAS GENUS. 6-(D-A-(3-GUANYL-1UREIDO)PHENYLACETAMIDO) - PENICILLANIC ACID, A PREFFERED EMBODIMENT OF THE INVENTION, IS PREPARED BY THE REACTION OF 6-(D-A-AMINO - PHENYLACETAMIDO) - PENICILLANIC ACID (AMPICILLIN) WITH A GUANYLCARBAMYLATING AGENT.
Inventors
- 👤 Donald Neil Mcgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:33
CPC Classifications
C; C07; C07D; C07D499/00
Claims Analysis
Total Claims: 0
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |