US2514150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insecticides produced by reacting trialkyl phosphates with thiophosphoryl halides and their preparation
Assignee: Eastman Kodak Co
•
Filing: 1946-12-26
•
Granted: 1950-07-04
•
Expires: 1966-12-26
Abstract
No abstract record available.
Inventors
- 👤 Bell Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:50
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; A; A01; A01N; A01N57/00; A01N57/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR PREPARING COMPOUNDS HAVING INSECTICIDAL PROPERTIES WHICH COMPRISES HEATING A TRIALKY ORTHOPHOSPHATE WITH A LIQUID THIOPHOSPHORYL HALIDE WHEREBY THE ALKYL HALIDE FORMED IS DRIVEN OFF AND A TRI-DIALKYL PHOSPHO THIOPHOSPHATE IS OBTAINED.
Claim 2
Dependent Claim
34 words
A PROCESS FOR PREPARING COMPOUNDS HAVING INSECTICIDAL PROPERTIES WHICH COMPRISES HEATING A TRIALKY ORTHOPHOSPHATE WITH A LIQUID THIOPHOSPHORYL HALIDE WHEREBY THE ALKYL HALIDE FORMED IS DRIVEN OFF AND A TRI-DIALKYL PHOSPHO THIOPHOSPHATE IS OBTAINED.
References Cited (Backward Citations)
US2063629A
Cited
US2143639A
Cited
US2242260A
Cited
US2336302A
Cited
US2432095A
Cited
US2403792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |