US2868858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for obtaining olefines directly from alpha, beta-unsaturated aldehydes
Assignee: Rhodiatoce SpA
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Filing: 1955-12-15
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Granted: 1959-01-13
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Expires: 1975-12-15
Abstract
No abstract record available.
Inventors
- 👤 Capitani Clito
- 👤 Mugnaini Elso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/22; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/16; C07C2521/18; C07C2523/00; C07C2523/12; C07C2523/14; C07C2523/70; C07C2523/72; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/054; C07C2527/14; C07C2527/16; C07C2527/167; C07C2531/00; C07C2531/02; C07C2531/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
THE PROCESS OF PREPARING AN OLEFINE FROM AN ALPHA BETA-UNSATURATED ALDEHYDE OF THE TYPE
Claim 2
Dependent Claim
14 words
THE PROCESS OF PREPARING AN OLEFINE FROM AN ALPHA BETA-UNSATURATED ALDEHYDE OF THE TYPE
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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |