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Patent US3769377A successfully refreshed from Google Patents.
US3769377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkylphosphorylbicyclo(eta.2.0)alkanes
Assignee: Chevron USA Inc
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Filing: 1970-05-20
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Granted: 1973-10-30
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Expires: 1990-05-20
Abstract
Abstract A COMPOUND OF THE FORMULA 1,2-(-A-),3-Y,3-(R-O-P(=O)(-O-R1)-O-),4-X,4-Y-CYCLOBUTANE WHEREIN A IS ALKYLENE OR ALKENYLENE OF FROM 3 TO 10 CARBON ATOMS; R AND R1 ARE ALKYL RADICALS OF 1 TO 4 CARBON ATOMS; X AND Y ARE CHLORINE OR BROMINE SUBSTITUENTS, OR THE Y''S MAY BE TAKEN TOGETHER TO FORM A BOND BETWEEN THE CARBON ATOMS TO WHICH THEY ARE ATTACHED. THE COMPOUNDS FINE USE AS INSECTIFICES, PARTICULARLY AS AGAINST APHIDS.
Inventors
- 👤 Selms R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/12; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/117
Claims Analysis
Total Claims: 0
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |