US3239557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting halides to esters
Assignee: EIDP Inc
•
Filing: 1962-01-18
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Granted: 1966-03-08
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Fasick Ross Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:14
CPC Classifications
C; C07; C07C; C07C27/00; C07C67/00; C07C67/14; C07C69/00; C07C69/62; C07C69/65; C07C69/653; C07C69/76; C10; C10M; C10M169/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PROCESS FOR CONVERTING HALIDES HAVING THE STRUCTURE X(CNF2N)CH2CH2Y TO ESTERS HAVING THE STRUCTURE Z(CNF2N)CHICH2O2CR WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND -CH2CH2Y, Y IS SELECTED FROM THE GROUP CONSISTING OF BROMINE AND IODINE, Z IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND RCO2CH2CH2-; THE RADICAL RCO2- IS THE RESIDUE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON MONO- AND POLYCARBOXYLIC ORANIC ACIDS FREE OF SUBSTITUENTS AND N IS FROM ONE TO ABOUT 16; SAID PROCESS COMPRISING HEATING, UNDER ANHYDROUS CONDITIONS, THE HALIDES X(CNF2N)CH2CH2Y WITH ALKALI METAL CARBOXYLATES OF THE FORMULA MO2CR, RCO2- HAS THE SAME MEANING AS HERETOFORE SET FORTH, IN AN ANHYDROUS UNSUBSTITUTED MONOHYDRIC HYDROCARBON ALCOHOL AS SOLVENT, SAID ALCOHOL HAVING A DIELECTRIC ONSTANT OF LESS THAN ABOUT 17.5 AT 25* C., AT A REACTION TEMPERATURE OF FROM ABOUT 125* TO ABOUT 200*C., FOR FROM ABOUT ONE TO ABOUT 30 HOUS UNDER SUTOGENOUS PRESSURE AND RECOVERING THE ESTER
Claim 2
Dependent Claim
157 words
A PROCESS FOR CONVERTING HALIDES HAVING THE STRUCTURE X(CNF2N)CH2CH2Y TO ESTERS HAVING THE STRUCTURE Z(CNF2N)CHICH2O2CR WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND -CH2CH2Y, Y IS SELECTED FROM THE GROUP CONSISTING OF BROMINE AND IODINE, Z IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND RCO2CH2CH2-; THE RADICAL RCO2- IS THE RESIDUE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON MONO- AND POLYCARBOXYLIC ORANIC ACIDS FREE OF SUBSTITUENTS AND N IS FROM ONE TO ABOUT 16; SAID PROCESS COMPRISING HEATING, UNDER ANHYDROUS CONDITIONS, THE HALIDES X(CNF2N)CH2CH2Y WITH ALKALI METAL CARBOXYLATES OF THE FORMULA MO2CR, RCO2- HAS THE SAME MEANING AS HERETOFORE SET FORTH, IN AN ANHYDROUS UNSUBSTITUTED MONOHYDRIC HYDROCARBON ALCOHOL AS SOLVENT, SAID ALCOHOL HAVING A DIELECTRIC ONSTANT OF LESS THAN ABOUT 17.5 AT 25* C., AT A REACTION TEMPERATURE OF FROM ABOUT 125* TO ABOUT 200*C., FOR FROM ABOUT ONE TO ABOUT 30 HOUS UNDER SUTOGENOUS PRESSURE AND RECOVERING THE ESTER
References Cited (Backward Citations)
US2275466A
Cited
US2617820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |