US3365481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of alpha, beta-unsaturated carbonyl compounds
Assignee: BASF SE
•
Filing: 1963-10-02
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Granted: 1968-01-23
•
Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Wittig Georg
- 👤 Stilz Walter
- 👤 Pommer Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:57
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/24; C07C403/14; C07C403/18; C07C45/00; C07C45/51; C07C45/516; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A PROCESS FOR THE PRODUCTION OF A,B-UNSATURATED ALDEHYDES AND KETONES OF THE FORMULA
Claim 2
Dependent Claim
13 words
A PROCESS FOR THE PRODUCTION OF A,B-UNSATURATED ALDEHYDES AND KETONES OF THE FORMULA
References Cited (Backward Citations)
US2692284A
Cited
US3153089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |