Patent US3274238A successfully refreshed from Google Patents.
US3274238A
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Production of unsaturated esters by oxidation of olefins
Assignee: Consortium fuer Elektrochemische Industrie GmbH
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Filing: 1963-07-23
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Granted: 1966-09-20
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kojer Hugo
- 👤 Jira Reinhard
- 👤 Smidt Jurgen
- 👤 Stangl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:43
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/007; C07C69/01; C07C67/00; C07C67/04; C07C67/05; C07C67/055; Y; Y10; Y10S; Y10S203/00; Y10S203/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
IN A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED ESTERS OF THE FORMULA:
Claim 2
Dependent Claim
13 words
IN A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED ESTERS OF 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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |