US3689645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erythromycin amides as antibacterial agents
Assignee: ANTHONY A SINKULA
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Filing: 1971-03-17
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Granted: 1972-09-05
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Expires: 1991-03-17
Abstract
Abstract Erythromycin amides having the following formula: Ro CH3 R the radical obtained by the removal of the two carboxyl groups from a dicarboxylic acid which can be dehydrated to an inner anhydride. R'' and R'''' H, alkyl of from one to 20 carbon atoms, inclusive, and isomeric forms thereof, cycloalkyl of three to eight carbon atoms, inclusive, and aralkyl of not more than 12 carbon atoms. Erythromycin amides are superior tasting erythromycin compounds possessing erythromycin antibacterial activities and the same uses as erythromycin.
Inventors
- 👤 Anthony A Sinkula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
22 words
An antibacterial composition, according to claim 1, comprising from about 5 percent to about 65 peRcent of the compound of the formula.
Claim 2
Dependent Claim
31 words
A sterile antibacterial composition for parenteral administration comprising from about 5 percent to about 65 percent, w/v, of a member selected from the group consisting of a compound of the formula:
Claim 3
Dependent Claim
39 words
The process for treating susceptible microbial antibacterial infectious disease in humans and animals which comprises the administering to the infected host a therapeutic antibacterial amount of a member selected from the group consisting of a compound of the formula:
Claim 4
Dependent Claim
38 words
A process, according to claim 4, wherein the compound of the formula is administered in unit dosage form in an amount of from about 25 to about 500 mg. of said compound in association with a pharmaceutical carrier.
Claim 5
Dependent Claim
43 words
A process, according to claim 4, wherein the compound of the formula is administered to the infected host in unit dosage form in an amount of from about 1 mg./kg./day to about 60 mg./kg./day of said compound in association with a pharmaceutical carrier.
Claim 6
Dependent Claim
41 words
A process of prophylactic treatment for the prevention of susceptible antibacterial infectious disease comprising the administering to a disease-susceptible human or animal host an effective antibacterial amount of a member selected from the group consisting of a compound of the formula:
Claim 7
Dependent Claim
38 words
A process, according to claim 7, wherein the compound of the formula is administered in unit dosage form in an amount of from about 25 to about 500 mg. of said compound in association with a pharmaceutical carrier.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |