US2671106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of unsaturated phosphonic acids
Assignee: EIDP Inc
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Filing: 1950-10-20
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Granted: 1954-03-02
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Expires: 1970-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Joseph Albisetti
- 👤 Hogsed Milton Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:21
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4015; A; A01; A01N; A01N57/00; A01N57/18; A01N57/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A DIESTER OF AN ALKENE-4-PHOSPHONIC ACID IN WHICH THE ALKENE RADICAL DIRECTLY BONDED TO THE PHOSPHOURUS IS SOLELY HYDROCARBON, CONTAINS AT LEAST 5 CARBONS IN A STRAIGHT CHAIN WITH AN ETHYLENIC DOUBLE BOND BETWEEN THE 4-AND 5CARBONS RELATIVE TO THE PHOSPHORUS, CONTAINS NO MORE THAN 18 CARBONS, AND THE 1- AND 2-CARBONS THEREOF RELATIVE TO THE PHOSPHORUS EACH CARRIES AT LEAST ONE HYDROGEN, SAID ACID BEING FREE OF CONJUGATED UNSATURATION.
Claim 2
Dependent Claim
70 words
A DIESTER OF AN ALKENE-4-PHOSPHONIC ACID IN WHICH THE ALKENE RADICAL DIRECTLY BONDED TO THE PHOSPHOURUS IS SOLELY HYDROCARBON, CONTAINS AT LEAST 5 CARBONS IN A STRAIGHT CHAIN WITH AN ETHYLENIC DOUBLE BOND BETWEEN THE 4-AND 5CARBONS RELATIVE TO THE PHOSPHORUS, CONTAINS NO MORE THAN 18 CARBONS, AND THE 1- AND 2-CARBONS THEREOF RELATIVE TO THE PHOSPHORUS EACH CARRIES AT LEAST ONE HYDROGEN, SAID ACID BEING FREE OF CONJUGATED UNSATURATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |