US4144270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted anilides as anti-androgens
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1974-06-26
•
Granted: 1979-03-13
•
Expires: 1994-06-26
Abstract
Abstract This application relates to certain 4'-substituted and to 3',4'-disubstituted anilides, to methods for their preparation and to methods for their use as anti-androgens.
Inventors
- 👤 Rudolph O. Neri
- 👤 John G. Topliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:30
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
16 words
A compound selected from the group consisting of 4'-bromo-3'-trifluoromethyl isobutyranilide; 4'-iodo-3'-trifluoromethyl isobutyranilide; 3',4'-dinitro isobutyranilide; N-methyl-4'-nitro-3'-trifluoromethyl isobutyranilide.
Claim 2
Dependent Claim
16 words
A compound selected from the group consisting of 4'-bromo-3'-trifluoromethyl isobutyranilide; 4'-iodo-3'-trifluoromethyl isobutyranilide; 3',4'-dinitro isobutyranilide; N-methyl-4'-nitro-3'-trifluoromethyl isobutyranilide.
Claim 3
Dependent Claim
10 words
A compound of claim 1 said compound being 4'-bromo-3'-trifluoromethyl isobutyranilide.
Claim 4
Dependent Claim
10 words
A compound of claim 1 said compound being 4'-iodo-3'-trifluoromethyl isobutyranilide.
Claim 5
Dependent Claim
10 words
A compound of claim 1 said compound being 3',4'-dinitro isobutyranilide.
Claim 6
Dependent Claim
10 words
A compound of claim 1 said compound being N-methyl-4'-nitro-3'-trifluoromethyl isobutyranilide.
References Cited (Backward Citations)
DE1005784B
Cited
US3108038A
Cited
GB971819A
Cited
US3407056A
Cited
US3426049A
Cited
FR1546820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-12 | 1982-09-11 | 1983-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-12 | 1986-09-11 | 1987-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-12 | 1990-09-11 | 1991-03-13 | $7700.00 | Window Closed / Lapsed |