US3358016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkenyl esters from alkenyl chlorides and metal carboxylates in the presence of palladous chloride
Assignee: Shell USA Inc
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Filing: 1964-03-18
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Granted: 1967-12-12
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Charles F Kohll
- 👤 Robert Van Helden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:33
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C45/00; C07C45/51; C07C45/54; C07C67/00; C07C67/10; C07C67/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS FOR PREPARING VINYL ESTERS BY REACTING A C2 TO C4 VINYLIC HALIDE HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
A PROCESS FOR PREPARING VINYL ESTERS BY REACTING A C2 TO C4 VINYLIC HALIDE HAVING THE FORMULA
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |