Patent US2546431A successfully refreshed from Google Patents.
US2546431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of vinyl allyl ether
Assignee: —
•
Filing: —
•
Granted: 1951-03-27
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Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:54
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/05; C07C41/06; C07C41/08; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/15; C07C43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR THE PRODUCTION OF VINYL ALLYL ETHER WHICH COMPRISES REACTING ACETYLENE UNDER PRESSURE WITH ALLYL ALCOHOL AND POTASSIUM ALLYLATE, THE ALLYLATE CONSTITUTING BETWEEN 20 AND 40% BY WEIGHT OF THE COMBINED WEIGHT OF ALLYL ALCOHOL AND POTASSIUM ALLYLATE, AT A TEMPERATURE BETWEEN 70* C. AND 100* C. AND CONTINUING THE REACTION UNTIL ABSORPTION OF ACETYLENE HAS CEASED.
Claim 2
Dependent Claim
59 words
A PROCESS FOR THE PRODUCTION OF VINYL ALLYL ETHER WHICH COMPRISES REACTING ACETYLENE UNDER PRESSURE WITH ALLYL ALCOHOL AND POTASSIUM ALLYLATE, THE ALLYLATE CONSTITUTING BETWEEN 20 AND 40% BY WEIGHT OF THE COMBINED WEIGHT OF ALLYL ALCOHOL AND POTASSIUM ALLYLATE, AT A TEMPERATURE BETWEEN 70* C. AND 100* C. AND CONTINUING THE REACTION UNTIL ABSORPTION OF ACETYLENE HAS CEASED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |