US2842576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of acetals
Assignee: BP PLC
•
Filing: 1952-12-29
•
Granted: 1958-07-08
•
Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 Habeshaw John
- 👤 Geach Charles John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:23
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C67/00; C07C67/30; C07C67/333; C07C67/343; C07C67/347
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A PROCESS FOR THE RECOVERY AND STABILIZATION OF THE REACTION PRODUCTS RESULTING FROM THE OXO SYNTHESIS REACTION OF AN OLEFINICALLY UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, ACIDS, ESTERS, KETONES AND NITRILES, TOGETHER WITH CARBON MONOXIDE AND HYDROGEN IN CONTACT WITH AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOL AND DIHYDRIC ALCOHOL AND A COBALT CATALYST WHEREBY AT LEAST ONE ALDEHYDE AND AT LEAST ONE ACETAL ARE FORMED, THE IMPROVEMENT WHICH COMPRISES THEREAFTER REACTING AT LEAST A PART OF THE PRODUCT CONTAINING SAID ALDEHYDE AND SAID ACETAL WITH AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOL AND DIHYDRIC ALCOHOL TO CONVERT THE ALDEHYDE COMPLETELY TO ACETAL, AND THEREAFTER SUBJECTING AT LEAST A PART OF THE REACTION PRODUCT TO FRACTIONAL DISTILLATION AND SEPARATION OF AT LEAST ONE ACETAL.
Claim 2
Dependent Claim
134 words
IN A PROCESS FOR THE RECOVERY AND STABILIZATION OF THE REACTION PRODUCTS RESULTING FROM THE OXO SYNTHESIS REACTION OF AN OLEFINICALLY UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, ACIDS, ESTERS, KETONES AND NITRILES, TOGETHER WITH CARBON MONOXIDE AND HYDROGEN IN CONTACT WITH AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOL AND DIHYDRIC ALCOHOL AND A COBALT CATALYST WHEREBY AT LEAST ONE ALDEHYDE AND AT LEAST ONE ACETAL ARE FORMED, THE IMPROVEMENT WHICH COMPRISES THEREAFTER REACTING AT LEAST A PART OF THE PRODUCT CONTAINING SAID ALDEHYDE AND SAID ACETAL WITH AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOL AND DIHYDRIC ALCOHOL TO CONVERT THE ALDEHYDE COMPLETELY TO ACETAL, AND THEREAFTER SUBJECTING AT LEAST A PART OF THE REACTION PRODUCT TO FRACTIONAL DISTILLATION AND SEPARATION OF AT LEAST ONE ACETAL.
References Cited (Backward Citations)
GB101428A
Cited
US2491915A
Cited
US2549454A
Cited
US2542767A
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US2533276A
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US2614970A
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US2610203A
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US2686200A
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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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |