US3780144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated ethylenically unsaturated phosphates
Assignee: Alelio G D
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Filing: 1971-09-10
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Granted: 1973-12-18
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Expires: 1991-09-10
Abstract
Abstract THIS INVENTION DEALS WITH NEW PHOSPHORUS-CONTAINING ESTERS HAVING THE FORMULAS (Y)(3-N)-Q-(O-R-C(-X)=C(-X)-R'')N, AND (Y)(3-N)-Q-(O-R- C(-X)2-C(-X)2-R'')N WHEREIN N IS AN INTEGER HAVING A VALUE OF 1 TO 3, Q IS P OR PO, R IS A DIVALENT HYDROCARBON HAVING AT LEAST ONE AND NO MORE THAN 10 CARBON ATOMS, X IS CHLORINE OR BROMINE, R'' IS X OR R", R" IS HYDROGEN OR A MONOVALENT HYDROCARBON HAVING AT LEAST ONE AND NO MORE THAN 20 CARBON ATOMS, AND Y IS X, OR" OR NR"2. THESE NEW ESTERS ARE USEFUL PARTICULARLY AS FIRE RETARDANTS, AGRICULTURAL CHEMICALS, FUEL ADDITIVES, PLASTICIZERS, MONOMERS AND INTERMEDIATES FOR THE SYNTHESIS OR OTHER USEFUL DERIVATIVES.
Inventors
- 👤 Alelio G D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:09
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/547; C07F9/553; C07F9/576; C07F9/59
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |