Patent US3869444A successfully refreshed from Google Patents.
US3869444A
Expired / Lapsed
US
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Esters of erythromycin oxime
Assignee: Abbott Laboratories
•
Filing: 1972-10-10
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Granted: 1975-03-04
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Expires: 1992-10-10
Abstract
Abstract Covers stable oxime esters of erythromycin oximes, which are active antibiotic agents.
Inventors
- 👤 Leslie Alan Freiberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:50
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/192; C07C; C07C63/00; C07C63/68; C07C63/70; C07H; C07H17/00; C07H17/04; C07H17/08
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
11 words
THE COMPOUND 9-(10)-(2,6-DIMETHYL-4CARBOMETHOXY)BENZOYLERYTHROMYCIN A OXIME HAVING THE FOLLOWERING GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
11 words
THE COMPOUND 9-(10)-(2,6-DIMETHYL-4CARBOMETHOXY)BENZOYLERYTHROMYCIN A OXIME HAVING THE FOLLOWERING GENERAL STRUCTURAL FORMULA
Claim 3
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-carbomethoxy)benzoylerythromycin B oxime.
Claim 4
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-benzyloxYcarbonyl)benzoylerythromycin B oxime.
Claim 5
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N-n-butylcarbomyl))benzoylerythromycin B oxime.
Claim 6
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N-morpholinylcarbonyl))benzoylerythromycin B oxime.
Claim 7
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N-methylpiperazinylcarbonyl)benzoylerythromycin B oxime.
Claim 8
Dependent Claim
11 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N-(2-hydroxypropyl)-N-piperazinyl carbonyl))benzoylerythromycin B oxime.
Claim 9
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(4-methyl-1-pentyloxycarbonyl))benzoylerythromycin B oxime.
Claim 10
Dependent Claim
12 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(3-(N, N-dimethylamino)propyloxy carbonyl))benzoylerythromycin B oxime.
Claim 11
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N-(4-methyl-1-pentyl)carbamyl))benzoylerythromycin B oxime.
Claim 12
Dependent Claim
11 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(3-(N,N-dimethylamino)propyl carbamyl))benzoylerythromycin B oxime.
Claim 13
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-carboxy)benzoylerythromycin B oxime.
Claim 14
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(N,N-dimethylaminomethyl))benzoylerythromycin B oxime.
Claim 15
Dependent Claim
10 words
The compound of claim 1 which is 9-(0)-(2,6-dimethyl-4-(n-butyloxycarbonyl))benzoylerythromycin B oxime.
References Cited (Backward Citations)
US3574185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |