US3960919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted sulfonylglycolic acid anilides
Assignee: BASF SE
•
Filing: 1974-10-07
•
Granted: 1976-06-01
•
Expires: 1994-10-07
Abstract
Abstract New and valuable N-substituted sulfonylglycolic acid anilides and a process for controlling the growth of unwanted plants with these compounds.
Inventors
- 👤 Wolfgang Rohr
- 👤 Adolf Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:23
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249999
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
2 words
O-methylsulfonylglycolic acid-(N-isopropyl)-anilide.
Claim 2
Dependent Claim
2 words
O-methylsulfonylglycolic acid-(N-isopropyl)-anilide.
Claim 3
Dependent Claim
2 words
O-methylsulfonylglycolic acid-(N-isobutyl)-anilide.
Claim 4
Dependent Claim
2 words
O-methylsulfonylglycolic acid-(N-isobutyl)-anilide.
Claim 5
Dependent Claim
2 words
O-methylsulfonylglycolic acid-(N-sec-butyl)-anilide.
Claim 6
Dependent Claim
2 words
O-methylsulfonylglycolic acid-(N-sec-butyl)-anilide.
Claim 7
Dependent Claim
2 words
O-ethylsulfonyglycolic acid-(N-isopropyl)-anilide.
Claim 8
Dependent Claim
2 words
O-ethylsulfonyglycolic acid-(N-isopropyl)-anilide.
Claim 9
Dependent Claim
2 words
O-n-propylsulfonylglycolic acid-(N-isopropyl)-anilide.
Claim 10
Dependent Claim
2 words
O-n-propylsulfonylglycolic acid-(N-isopropyl)-anilide.
Claim 11
Dependent Claim
2 words
O-isopropylsulfonylglycolic acid-(N-isopropyl)-anilide.
Claim 12
Dependent Claim
2 words
O-isopropylsulfonylglycolic acid-(N-isopropyl)-anilide.
References Cited (Backward Citations)
US3536721A
Cited
US3687998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |