US3935230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
α, α, α, α', α', α'-Hexafluorodi-m-tolylamine derivatives
Assignee: ER Squibb and Sons LLC
•
Filing: 1974-06-14
•
Granted: 1976-01-27
•
Expires: 1994-06-14
Abstract
Abstract α, α, α, α', α', α'-Hexafluorodi-m-tolylamine derivatives are provided having the structure ##SPC1## Wherein R is as defined hereinafter. These compounds are useful as antibacterial agents and in the treatment of hypertension.
Inventors
- 👤 Harry Louis Yale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:05
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
24 words
A compound of the structure ##SPC11##wherein -NR 2 R 3 is piperazino, (lower alkyl)piperazino, di(lower alkyl)piperazino or 2-hydroxyethylpiperazino, or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim
24 words
A compound of the structure ##SPC11##wherein -NR 2 R 3 is piperazino, (lower alkyl)piperazino, di(lower alkyl)piperazino or 2-hydroxyethylpiperazino, or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim
11 words
A compound in accordance with claim 1 having the structure ##SPC12##
Claim 4
Dependent Claim
14 words
A compound in accordance with claim 1 wherein --NR 2 R 3 is piperazino.
Claim 5
Dependent Claim
15 words
A compound in accordance with claim 1 wherein --NR 2 R 3 is (lower alkyl)piperazino.
Claim 6
Dependent Claim
15 words
A compound in accordance with claim 1 wherein --NR 2 R 3 is di(lower alkyl)piperazino.
Claim 7
Dependent Claim
14 words
A compound in accordance with claim 1 wherein --NR 2 R 3 is 2-hydroxyethylpiperazino.
References Cited (Backward Citations)
US3812177A
Cited
US3712921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |