US3437676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonylation of olefinically unsaturated compounds
Assignee: BASF SE
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Filing: 1964-08-07
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Granted: 1969-04-08
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Nikolaus Von Kutepow
- 👤 Knut Bittler
- 👤 Dieter Neubauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:49
CPC Classifications
C; C10; C10M; C10M3/00; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/24; B01J31/2404; C07; C07C; C07C51/00; C07C51/10; C07C51/14; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08K5/12; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/824; B01J31/22; B01J31/2282; B01J31/2291
Claims Analysis
Total Claims: 0
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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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |