US2772296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing epoxy esters
Assignee: —
•
Filing: —
•
Granted: 1956-11-27
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:53
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/12; C07D303/16; C07C; C07C67/00; C07C67/08; C07C67/24; C07C67/26; C07C69/00; C07C69/52; C07C69/533; C07C69/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR PREPARING AN ESTER OF AN EPOXY-SUBSTITUTED ALCOHOL WHICH COMPRISES HEATING AN UNSUBSTITUTED HYDROCARBON CARBOXYLIC ACID OF THE CLASS CONSISTING OF UNSUBSTITUTED HYDROCARBON MONOCARBOXYLIC ACIDS CONTAINING NOT MORE THAN 20 CARBON ATOMS AND UNSUBSTITUTED HYDROCARBON DICARBOXYLIC ACIDS CONTAINING NOT MORE THAN 20 CARBON ATOMS WITH AT LEAST TWICE THE CHEMICAL EQUIVALENT AMOUNT OF THE LOWER 1-CHLORO-2,3-CPOXYALKANE IN THE PRESENCE OF A MEMEBER OF THE GROUP CONSISTING OF UNSUBSTITUTED TRIALKYLAMINES, UNSUBSTITUTED TRICYCLOALKYLAMINES, UNSUBSTITUTED TRIARYLAMINES, PYRIDINE, AND QUATERNARY AMMONIUM SALTS WHEREIN THE SUBSTITUENTS ON THE NITROGEN ARE OF THE CLASS CONSISTING OF LOWER ALKYL GROUPS AND MONOCYCLIC AROMATIC HYDROCARBON GROUPS, AND RECOVERING 2,3-EPOXYALKYL ESTER OF SAID CARBOXYLIC ACID FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
112 words
A PROCESS FOR PREPARING AN ESTER OF AN EPOXY-SUBSTITUTED ALCOHOL WHICH COMPRISES HEATING AN UNSUBSTITUTED HYDROCARBON CARBOXYLIC ACID OF THE CLASS CONSISTING OF UNSUBSTITUTED HYDROCARBON MONOCARBOXYLIC ACIDS CONTAINING NOT MORE THAN 20 CARBON ATOMS AND UNSUBSTITUTED HYDROCARBON DICARBOXYLIC ACIDS CONTAINING NOT MORE THAN 20 CARBON ATOMS WITH AT LEAST TWICE THE CHEMICAL EQUIVALENT AMOUNT OF THE LOWER 1-CHLORO-2,3-CPOXYALKANE IN THE PRESENCE OF A MEMEBER OF THE GROUP CONSISTING OF UNSUBSTITUTED TRIALKYLAMINES, UNSUBSTITUTED TRICYCLOALKYLAMINES, UNSUBSTITUTED TRIARYLAMINES, PYRIDINE, AND QUATERNARY AMMONIUM SALTS WHEREIN THE SUBSTITUENTS ON THE NITROGEN ARE OF THE CLASS CONSISTING OF LOWER ALKYL GROUPS AND MONOCYCLIC AROMATIC HYDROCARBON GROUPS, AND RECOVERING 2,3-EPOXYALKYL ESTER OF SAID CARBOXYLIC ACID FROM THE REACTION MIXTURE.
References Cited (Backward Citations)
US2457300A
Cited
US2537981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |