US3910935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbamoyl sulfoxide derivatives
Assignee: Zeneca Inc
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Filing: 1973-08-24
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Granted: 1975-10-07
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Expires: 1993-08-24
Abstract
Abstract Intermediate compounds useful for manufacturing herbicidal active sulfoxide compounds are described herein. The compounds have the following generic formula: wherein R is selected from pyridylalkyl, R1 and R2 can be the same or different and can be selected from the group consisting of lower alkyl, cycloalkyl, alkenyl and benzyl.
Inventors
- 👤 Francis Harry Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:31
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/32; C07D213/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
12 words
A PROCESS OF MANUFACTURING A PESICIDAL ACTIVE COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
12 words
A PROCESS OF MANUFACTURING A PESICIDAL ACTIVE COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
13 words
The process of claim 1 wherein the oxidizing agent is and m-chloroperoxybenzoic acid.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |