Patent US4020393A successfully refreshed from Google Patents.
Patent US3870709A successfully refreshed from Google Patents.
US3870709A
Expired / Lapsed
US
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6-(alpha-(ome ga-guanidinoalkanoylamido)acylamido)penicillanic acids
Assignee: Pfizer Inc
•
Filing: 1972-02-22
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Granted: 1975-03-11
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Expires: 1992-02-22
Abstract
Abstract 6-( Alpha -( omega GUANIDINOALKANOYLAMIDO)ACYLAMIDO)PENICILLANIC ACIDS, THE NONTOXIC SALTS AND ESTERS THEREOF ARE USEFUL AS ANTIBACTERIAL AGENTS, THERAPEUTIC AGENTS IN ANIMALS, INCLUDING MAN, OF PARTICULAR VALUE AGAINST GRAM-NEGATIVE BACTERIA, AND AS ANIMAL FEED NUTRITIONAL SUPPLEMENTS.
Inventors
- 👤 Ernest S Hamanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:08
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/21; C07D499/44; C07D499/48; C07D499/58; C07D499/64
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
5 words
A compound of the formula
Claim 2
Dependent Claim
5 words
A compound of the formula
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 5
Dependent Claim
25 words
A compound according to claim 1 wherein R1 is phenyl; each of R2, R3, R4, R5, R6 and R is hydrogen; and X is alkylene.
Claim 6
Dependent Claim
30 words
A compound according to claim 1 wherein R1 is phenyl; each of R2, R3, R4, R5 and R6 is hydrogen; R is lower alkanoyloxy lower alkyl; and X is alkylene.
Claim 7
Dependent Claim
25 words
A compound according to claim 1 wherein R1 is phenyl; each of R2, R3, R4, R5, R6 and R is hydrogen; and X is phenylene.
Claim 8
Dependent Claim
25 words
A compound according to claim 1 wherein R1 is phenyl; each of R2, R3, R4, R5, R6 and R is hydrogen; and X is phenylenemethylene.
Claim 9
Dependent Claim
27 words
A compound according to claim 1 wherein R1 is phenyl; R3 is methyl; each of R2, R4, R5, R6 and R is hydrogen; and X is alkylene.
Claim 10
Dependent Claim
40 words
A compound according to claim 1 wherein R1 is phenyl, R3 and R5 when taken together with the guanidino moiety to which they are attached are imidazolidino; X is methylene; and each of R2, R4, R6 and R is hydrogen.
Claim 11
Dependent Claim
27 words
A compound according to claim 1 wherein R1 is 1,4-cyclohexadienyl; each of R2, R3, R4, R6 and R is hydrogen; R5 is methyl; and X is methylene.
Claim 12
Dependent Claim
25 words
The compound according to claim 2 wherein R1 is phenyl, each of R2, R3, R4, R5, R6 and R is hydrogen; and X is methylene.
Claim 13
Dependent Claim
27 words
The compound according to claim 3 wherein R1 is phenyl, each of R2, R3, R4, R5 and R6 is hydrogen; R is pivaloyloxymethyl; and X is methylene.
Claim 14
Dependent Claim
25 words
The compound according to claim 4 wherein R1 is phenyl; each of R2, R3, R4, R5, R6 and R is hydrogen; and X is 1,4-phenylene.
Claim 15
Dependent Claim
25 words
The compound according to claim 5 wherein R1 is phenyl; each of R2, R3, R4, R5, R6 and R is hydrogen; and X is 1,4-phenylenemethylene.
References Cited (Backward Citations)
US3579501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |