US2717262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing chrysanthemic acid esters of cyclopentenyl ketonic alcohols and products
Assignee: Chemical Elaborations Inc
•
Filing: 1949-08-15
•
Granted: 1955-09-06
•
Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:35
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/04; C07C49/16; C07C45/00; C07C45/61; C07C45/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE METHOD OF PRODUCING AN INSECTICIDE WHICH COMPRISES THE STEPS OF CHLORINATING ACETONYL ACETONE AND REACTING, UNDER ANHYDROUS CONDITIONS, THE CHLOR ACETONYL ACETONE SO OBTAINED WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF MONO CARBOXYLIC CHRYSANTHEMIC ACID AND ITS SALTS TO PRODUCE AN ESTER.
Claim 2
Dependent Claim
47 words
A METHOD IN ACCORDANCE WITH CLAIM 8 AND INCLUDING THE FURTHER STEP OF REACTING UNDER ANHYDROUS CONDITIONS,THE ESTER PRODUCED BY THE METHOD OF CLAIM 8 WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKENE AND ALKADIENE HALIDES AND ALDEHYDES IN THE PRESENCE OF AN ALKALINE CATALYST.
References Cited (Backward Citations)
US2387587A
Cited
US2382313A
Cited
US2359459A
Cited
US2441183A
Cited
US2499172A
Cited
US2466926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |