US3070629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making alpha, beta-unsaturated ketones and products
Assignee: Dragoco Gerberding and Co GmbH
•
Filing: 1960-02-04
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Granted: 1962-12-25
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Ohloff Guenther
- 👤 Schade Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:09
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/603; C07C17/00; C07C17/07; C07C17/08; C07C45/00; C07C45/27; C07C45/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
IN A PROCESS OF PRODUCING A, B-UNSATURATED KETONES OF THE FORMULA
Claim 2
Dependent Claim
11 words
IN A PROCESS OF PRODUCING A, B-UNSATURATED KETONES OF THE FORMULA
References Cited (Backward Citations)
US2831028A
Cited
US2827499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |