US3795696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkynylbenzyl cyclopropane-carboxylates
Assignee: Dainihon Jochugiku Co Ltd
•
Filing: 1971-06-03
•
Granted: 1974-03-05
•
Expires: 1991-06-03
Abstract
Abstract NOVEL CYCLOPROPANECARBOXYLIC ACID ESTERS REPRESENTED BY THE FORMULA, 1-((X,(Y)N-PHENYL)-CH2-OOC-),2,2-DI(CH3-),3-R1,3-R2- CYCLOPROPANE WHEREIN WHEN R1 IS HYDROGEN ATOM, R2 IS METHYL GROUP, ISOBUTENYL GROUP, OR 2-CARBOMETHOXY-1-PROPENYL GROUP, AND WHEN R1 IS METHYL GROUP, R2 IS METHYL GROUP; X IS A LOWER ALKYNYL GROUP; Y IS HYDROGEN ATOM, METHYL GROUP, METHOXY GROUP, OR CHLORINE ATOM; AND N IS 1 OR 2; PROVIDED THAT THE CASE WHERE Y AND R1 ARE HYDROGEN ATOM, R2 IS ISOBUTENYL GROUP, AND X IS PROPARGYL GROUP IS EXCLUDED. THE COMPOUND IS USED AS AN INSECTICIDE HAVING LOW TOXICITY BUT NOT HARMFUL TO MAMMALS AND IS PRODUCED AT LOW COST.
Inventors
- 👤 Y Katsuda
- 👤 T Kawanami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:34
CPC Classifications
A; A01; A01N; A01N53/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |