US3609187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n-disubstituted trifluoromethanesulfonamides
Assignee: 3M Co
•
Filing: 1969-04-14
•
Granted: 1971-09-28
•
Expires: 1989-04-14
Abstract
Abstract By reacting N-alkyl- and N-alkenyltrifluoromethanesulfonamides with certain aroyl halides or anhydrides there are obtained Naroyl-N-alkyl- and N-aroyl-N-alkenyltrifluoromethanesulfonamides having physiological activity as anticonvulsant agents.
Inventors
- 👤 George G I Moore
- 👤 Alvin C Conway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:23
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/01; C07C311/02; C07C311/09
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
10 words
A compound according to claim 1 wherein R'' is methyl.
Claim 2
Dependent Claim
10 words
A compound according to claim 1 wherein Ar is phenyl.
Claim 3
Dependent Claim
14 words
A compound according to claim 1 wherein R'' is methyl and Ar is phenyl.
Claim 4
Dependent Claim
18 words
A compound according to claim 4 wherein Y is methyl, trifluoromethyl, methoxy, phenyl, halogen, nitro, cyano or acetoxy.
Claim 5
Dependent Claim
7 words
The compound N-(3-bromobenzoyl)-N-methyltrifluoromethanesulfonamide according to claim 1.
Claim 6
Dependent Claim
3 words
The compound N-(4-chlorobenzoyl)-N-methyltrifluoromethanesulfonamide.
Claim 7
Dependent Claim
3 words
The compound N-(3-chlorobenzoyl)-N-methyltrifluoromethanesulfonamide.
References Cited (Backward Citations)
US2075359A
Cited
US2995542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |