US2579411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of vinyl ethers
Assignee: EIDP Inc
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Filing: 1950-01-20
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Granted: 1951-12-18
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Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Adelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:02
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/15; C07C43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE PROCESS FOR THE PRODUCTION OF A VINYL ETHER WHICH COMPRISES REACTING AN ALCOHOL WITH A VINYL ESTER AT A TEMPERATURE OF -75 TO -15* C. IN THE PRESENCE OF A MERCURIC SALT OF A STRONG ACID.
Claim 2
Dependent Claim
37 words
THE PROCESS FOR THE PRODUCTION OF A VINYL ETHER WHICH COMPRISES REACTING AN ALCOHOL WITH A VINYL ESTER AT A TEMPERATURE OF -75 TO -15* C. IN THE PRESENCE OF A MERCURIC SALT OF A STRONG ACID.
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |