US3699131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing vinyl glycidyl ether from low boiling alkyl vinyl ethers
Assignee: Atlantic Richfield Co
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Filing: 1970-04-08
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Granted: 1972-10-17
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Expires: 1990-04-08
Abstract
Abstract An improved process for producing vinyl glycidyl ether by means of the transvinylation reaction comprising passing methyl vinyl ether or ethyl vinyl ether through a solution of a mercuric compound catalyst and glycidol in a high boiling solvent at atmospheric or superatmospheric pressure and moderate temperature.
Inventors
- 👤 Ting I Wang
- 👤 Glenn M Nakaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
The process of claim 1 wherein the temperature is between about 25* C. and about 150* C.
Claim 2
Dependent Claim
10 words
The process of claim 1 wherein the solvent is benzonitrile.
Claim 3
Dependent Claim
22 words
The process of claim 1 wherein the molar ratio of mercuric salt catalyst to glycidol is from about 0.05 to about 0.5.
Claim 4
Dependent Claim
11 words
The process of claim 1 wherein the catalyst is mercuric acetate.
Claim 5
Dependent Claim
32 words
The process of claim 1 wherein an inert gas is continuously passed through the reaction mixture at a rate of up to 40 liters of gas per hour per liter of solvent.
Claim 6
Dependent Claim
14 words
The process of claim 1 wherein the pressure is from 1 to 5 atmospheres.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |