US3853939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isopropyl-cyanophenyl alkylsulfonates
Assignee: Monsanto Co
•
Filing: 1972-09-01
•
Granted: 1974-12-10
•
Expires: 1992-09-01
Abstract
Abstract Substituted aryl alkane sulfonates having insecticidal properties.
Inventors
- 👤 R Partos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65; C07C309/66
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
11 words
A compound in accordance with claim 1 which is 3-isopropyl-4-cyanophenyl methanesulfonate.
Claim 4
Dependent Claim
10 words
A compound in accordance with claim 1 which is 3-isopropyl-4ethanesulfonate.
References Cited (Backward Citations)
FR1375311A
Cited
US3740348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |