US3948987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted methanesulfonanilides
Assignee: Pbi-Gordon Corp
•
Filing: 1974-04-19
•
Granted: 1976-04-06
•
Expires: 1994-04-19
Abstract
Abstract 2-Trifluoromethylmethanesulfonanilides substituted in the para (four) position by phenylthio, phenylsulfinyl or phenylsulfonyl groups and agriculturally acceptable salts thereof and compositions containing these compounds are useful herbicides.
Inventors
- 👤 Tomas L. Fridinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
18 words
A compound of the formula ##SPC3## wherein n is zero, one or two and agriculturally acceptable salts thereof.
Claim 2
Dependent Claim
18 words
A compound of the formula ##SPC3## wherein n is zero, one or two and agriculturally acceptable salts thereof.
Claim 3
Dependent Claim
7 words
The compound 4-phenylthio-2-trifluoromethylmethanesulfonanilide according to claim 1.
Claim 4
Dependent Claim
7 words
The compound 4-phenylsulfinyl-2-trifluoromethylmethanesulfonanilide according to claim 1.
Claim 5
Dependent Claim
7 words
The compound 4-phenylsulfonyl-2-trifluoromethylmethanesulfonanilide according to claim 1.
Claim 6
Dependent Claim
3 words
The compound N-methylsulfonyl-4-phenylthio-2-trifluoromethylmethanesulfonanilide.
Claim 7
Dependent Claim
3 words
The compound N-methylsulfonyl-4-phenylthio-2-trifluoromethylmethanesulfonanilide.
References Cited (Backward Citations)
US3642817A
Cited
US3708491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |