Patent US3716626A successfully refreshed from Google Patents.
US3716626A
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Separation of metal carbonyl catalysts from oxo reaction mixtures
Assignee: BASF SE
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Filing: 1970-10-15
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Granted: 1973-02-13
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Expires: 1990-10-15
Abstract
Abstract AN IMPROVED PROCESS FOR THE SEPARATION OF METAL CARBONYL CATALYSTS CAPABLE OF FORMING CARBONYLATE ANIONS FROM OXO REACTION MIXTURES BY MEANS OF ION EXCHANGERS BY TREATING THE CRUDE OXO REACTION MIXTURE WITH A BASIC ION EXCHANGER AT A TEMPERATURE OF 0* TO 120*C. AND PRESSURE RANGING FROM 5 TO 700 ATMOSPHERES.
Inventors
- 👤 W Himmele
- 👤 W Aquila
- 👤 W Kniese
- 👤 H Nienburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:55
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/20; B01J31/40; B01J31/4015; B01J31/4023; B01J31/403; B01J31/4038; B01J31/4046; B01J47/00; B01J47/02; B01J47/06; C; C01; C01G; C01G55/00; C01G55/001; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C22; C22B; C22B3/00; C22B3/20; C22B3/42; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/822; B01J2531/84; B01J2531/845; B01J31/02; B01J31/06; B01J31/08; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |