US4168314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-(1'-Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid
Assignee: Merck and Co Inc
•
Filing: 1977-11-17
•
Granted: 1979-09-18
•
Expires: 1997-11-17
Abstract
Abstract {PG,1 Disclosed is 6-(1{40 -Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid: {r1 {tc,1 {rb {rd,3355 {a,2 {bn,0 {us,5 {sb,4 OH{A,3 {BL,77 {RD,C0044 {A,2 {DB,B {SD,11 {SB,14 O{A,1 {BL,2 {RD,03 {A,1 {SD,26 {SB,8 N{A,3 {SD,5 {S,15 S{A,3 {BL,44 {RD,588CCC/2 {A,3 {BN,4 {SD,5 {S,5 COOH{A,2 {BN,4 {SD,5 {S,5 S{US,12 {RD,3553 {US,1 {S,5 NH{HD 2{RE {PS {PS Such compound and its pharmaceutically acceptable salt and ester derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds pharmaceutical compositions comprising such compounds and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
Inventors
- 👤 Burton G. Christensen
- 👤 Frank P. DiNinno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:17
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/88; A; A61; A61P; A61P31/00; A61P31/04; C07D205/00; C07D205/02; C07D205/06; C07D205/08; C07D205/085; C07D205/09; C07D205/095; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/568
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
A compound having the structural fomula: ##STR10## and the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim
13 words
A compound having the structural fomula: ##STR10## and the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
25 words
An antibiotic pharmaceutical composition comprising, in unitary dosage form, a therapeutically effective amount of a compound according to claim 1 and a pharmaceutical carrier therefor.
References Cited (Backward Citations)
US3950357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-09-17 | 1983-03-19 | 1983-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-09-17 | 1987-03-19 | 1987-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-09-17 | 1991-03-19 | 1991-09-18 | $7700.00 | Window Closed / Lapsed |