Patent US3065245A successfully refreshed from Google Patents.
US3065245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous epoxidation method
Assignee: —
•
Filing: —
•
Granted: 1962-11-20
•
Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:28
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42; C07D301/00; C07D301/02; C07D301/03; C07D301/12; C07D303/04; C08; C08C; C08C19/00; C08C19/04; C08C19/06; C08G; C08G59/00; C08G59/02; C08G59/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN THE PROCESS OF EPOXIDIZING A COMPOUND CONTAINING AN EPOXIDIZABLE ETHYLENIC GROUP SELECTED FROM THE CLASS CONSISTING OF ETHYLENICALLY UNSTURATED ACIDS, ESTERS ALCOHOLS, DODECENE, AND BUTADIENE POLYMERS AND COPOLYMERS BY THE REACTION OF SAID COMPOUND WITH IN SITU-PRODUCES CARBOXYLIC PERACID, THE IMPROVEMENT WHICH COMPRISES INTRODUCING SAID COMPOUND INTO ONE END OF AN ELONGATED REACTION ZONE, INTRODUCING AQUEOUS HYDROGEN PEROXIDE AND A SATURATED ALIPHATIC CARBOXYLIC ACID HAVING FROM 1 TO 8 CARBON ATOMS INTO THE OPPOSITE END OF THE REACTION ZONE, PASSING SAID COMPOUND IN INTIMATE, CONTINUOUS, COUNTERCURRENT CONTAT WITH AN AQUEOUS PHASE CONTAINING AS ESSENTIAL INGREDIENTS SAID CARBOXYLIC ACID, SAID HYDROGEN PEROXIDE, AND CARBOXYLIC PERACID PRODUCED BY IN SITU- REACTION OF SAID HYDROGEN PEROXIDE AND SAID CARBOXYLIC ACID IN SAID REACTION ZONE WHILE DISPERSING GASES PRESENT IN THE REACTION ZONE, REMOVING EPOXIDIZED PRODUCT FROM ONE END OF SAID REACTION ZONE, AND REMOVING AN AQUEOUS SOLUTION FROM THE OTHER END OF SAID REACTION ZONE.
Claim 2
Dependent Claim
153 words
IN THE PROCESS OF EPOXIDIZING A COMPOUND CONTAINING AN EPOXIDIZABLE ETHYLENIC GROUP SELECTED FROM THE CLASS CONSISTING OF ETHYLENICALLY UNSTURATED ACIDS, ESTERS ALCOHOLS, DODECENE, AND BUTADIENE POLYMERS AND COPOLYMERS BY THE REACTION OF SAID COMPOUND WITH IN SITU-PRODUCES CARBOXYLIC PERACID, THE IMPROVEMENT WHICH COMPRISES INTRODUCING SAID COMPOUND INTO ONE END OF AN ELONGATED REACTION ZONE, INTRODUCING AQUEOUS HYDROGEN PEROXIDE AND A SATURATED ALIPHATIC CARBOXYLIC ACID HAVING FROM 1 TO 8 CARBON ATOMS INTO THE OPPOSITE END OF THE REACTION ZONE, PASSING SAID COMPOUND IN INTIMATE, CONTINUOUS, COUNTERCURRENT CONTAT WITH AN AQUEOUS PHASE CONTAINING AS ESSENTIAL INGREDIENTS SAID CARBOXYLIC ACID, SAID HYDROGEN PEROXIDE, AND CARBOXYLIC PERACID PRODUCED BY IN SITU- REACTION OF SAID HYDROGEN PEROXIDE AND SAID CARBOXYLIC ACID IN SAID REACTION ZONE WHILE DISPERSING GASES PRESENT IN THE REACTION ZONE, REMOVING EPOXIDIZED PRODUCT FROM ONE END OF SAID REACTION ZONE, AND REMOVING AN AQUEOUS SOLUTION FROM THE OTHER END OF SAID REACTION ZONE.
References Cited (Backward Citations)
US2873283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |