US2831029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating carbonylation product
Assignee: Texaco Inc
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Filing: 1953-12-24
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Granted: 1958-04-15
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Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Vergilio
- 👤 Frank H Bruner
- 👤 Alfred J Millendord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:15
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS FOR REMOVING COBALT FROM THE PRODUCT OBTAINED BY CARBONYLATION OF C9 AND HIGHER COMPOUNDS CONTAINING OLEFINIC UNSATURATION WITH CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES SUBJECTING SAID PRODUCT TO MILD OXIDATION WHEREBY A MINOR PORTION LESS THAN 10% OF THE CARBONYLATION PRODUCT IS OXIDIZED, CONTACTING SAID OXIDIZED PRODUCT WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF KETONES AND ESTERS CONTAINING A MAXIMUM OF 7 CARBON ATOMS, SAID CONTACT BEING EFFECTED AT SUBSTANTIALLY LIQUID PHASE CONDITIONS AND RESULTING IN THE FORMATION OF A TWOPHASE SYSTEM, AN UPPER EXTRACT PHASE COMPRISING SAID SOLVENT AND A MAJOR PORTION OF SAID CARBONYLATION PRODUCT AND A LOWER RAFFINATE PHASE CONTAINING SUBSTANTIALLY ALL OF THE COBALT CONTENT OF SAID PRODUCT, AND SEPARATING SAID EXTRACT PHASE FROM SAID RAFFINATE PHASE.
Claim 2
Dependent Claim
125 words
A PROCESS FOR REMOVING COBALT FROM THE PRODUCT OBTAINED BY CARBONYLATION OF C9 AND HIGHER COMPOUNDS CONTAINING OLEFINIC UNSATURATION WITH CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES SUBJECTING SAID PRODUCT TO MILD OXIDATION WHEREBY A MINOR PORTION LESS THAN 10% OF THE CARBONYLATION PRODUCT IS OXIDIZED, CONTACTING SAID OXIDIZED PRODUCT WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF KETONES AND ESTERS CONTAINING A MAXIMUM OF 7 CARBON ATOMS, SAID CONTACT BEING EFFECTED AT SUBSTANTIALLY LIQUID PHASE CONDITIONS AND RESULTING IN THE FORMATION OF A TWOPHASE SYSTEM, AN UPPER EXTRACT PHASE COMPRISING SAID SOLVENT AND A MAJOR PORTION OF SAID CARBONYLATION PRODUCT AND A LOWER RAFFINATE PHASE CONTAINING SUBSTANTIALLY ALL OF THE COBALT CONTENT OF SAID PRODUCT, AND SEPARATING SAID EXTRACT PHASE FROM SAID RAFFINATE PHASE.
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |