US3136788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycidyl glycidate and the preparation of epoxyalkyl esters of epoxyalkanoic acids from epoxyalkanals
Assignee: Shell USA Inc
•
Filing: 1961-07-17
•
Granted: 1964-06-09
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 George B Payne
- 👤 Paul H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:26
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C07; C07D; C07D303/00; C07D303/02; C07D303/48
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
GLYCIDYL GLYCIDATE.
Claim 2
Dependent Claim
2 words
GLYCIDYL GLYCIDATE.
Claim 3
Dependent Claim
68 words
THE PROCESS OF PREPARING THE VIC-EPOXYALKYL ESTER OF VIC-EPOXYALKANOIC ACID COMPRISING REACTING A VIC-EPOXYALKANAL OF UPTO 9 CARBON ATOMS AND CONSISTINGOF A HYDROCARBON ALKYL RADICAL HAVING A FORMYL RADICAL AND A VICEPOXY RING AS ITS SOLE FUNCTIONAL GROUPS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDRIDES, ALUMINUM ALKOXIDES WHEREIN EACH ALKOXIDE RADICAL HAS UP TO 3 CARBON ATOMS AND GRIGNARD REAGENTS.
Claim 4
Dependent Claim
68 words
THE PROCESS OF PREPARING THE VIC-EPOXYALKYL ESTER OF VIC-EPOXYALKANOIC ACID COMPRISING REACTING A VIC-EPOXYALKANAL OF UPTO 9 CARBON ATOMS AND CONSISTINGOF A HYDROCARBON ALKYL RADICAL HAVING A FORMYL RADICAL AND A VICEPOXY RING AS ITS SOLE FUNCTIONAL GROUPS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDRIDES, ALUMINUM ALKOXIDES WHEREIN EACH ALKOXIDE RADICAL HAS UP TO 3 CARBON ATOMS AND GRIGNARD REAGENTS.
References Cited (Backward Citations)
US2698339A
Cited
US2949473A
Cited
US2870166A
Cited
US2969377A
Cited
US3074973A
Cited
US2991306A
Cited
US2998447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |