US2967889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing ether-aldehydes
Assignee: —
•
Filing: —
•
Granted: 1961-01-10
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Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:10
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN A PROCESS FOR THE PRODUCTION OF A BETA-ALIPHATICOXYPROPIONALDEHYDE COMPOSED OF CARBON, HYDROGEN AND OXYGEN, WHEREIN ACROLEIN AND AN ALIPHATIC ALCOHOL OF FROM 1 TO 25 CARBON ATOMS COMPOSED OF CARBON, HYDROGEN AND OXYGEN CONTAINING ONLY REACTIVE HYDROXYL ARE CAUSED TO REACT IN THE LIQUID PHASE IN THE PRESENCE OF A CATALYST, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE CATALYST A MONOAMINE SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID AND SULFURIC ACID AND AN ALKANOLAMINE HAVING A HYDROXYALKYL GROU OF FROM 1 TO 7 CARBON ATOMS BONDED TO THE AMINO NITROGEN AND HAVING EACH OF THE REMAINING VALENCES OF THE AMINO NITROGEN SATISFIED BY A MEMBER OF THE GROUP CONSISTING OF HYDROXYALKYL GROUPS OF FROM 1 TO 7 CARBON ATOMS, HYDROCARBON GROUPS OF FROM 1 TO 7 CARBON ATOMS, AND THE HYDROGEN ATOM, AND CONDUCTING THE REACTION OF THE ALCOHOL AND THE ACROLEIN IN THE PRESENCE OF WATER, THE AMOUNT OF THE WATER BEING AT LEAST 1% OF THE COMBINED WEIGHTS OF THE ALCOHOL AND ACROLEIN.
Claim 2
Dependent Claim
171 words
IN A PROCESS FOR THE PRODUCTION OF A BETA-ALIPHATICOXYPROPIONALDEHYDE COMPOSED OF CARBON, HYDROGEN AND OXYGEN, WHEREIN ACROLEIN AND AN ALIPHATIC ALCOHOL OF FROM 1 TO 25 CARBON ATOMS COMPOSED OF CARBON, HYDROGEN AND OXYGEN CONTAINING ONLY REACTIVE HYDROXYL ARE CAUSED TO REACT IN THE LIQUID PHASE IN THE PRESENCE OF A CATALYST, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE CATALYST A MONOAMINE SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID AND SULFURIC ACID AND AN ALKANOLAMINE HAVING A HYDROXYALKYL GROU OF FROM 1 TO 7 CARBON ATOMS BONDED TO THE AMINO NITROGEN AND HAVING EACH OF THE REMAINING VALENCES OF THE AMINO NITROGEN SATISFIED BY A MEMBER OF THE GROUP CONSISTING OF HYDROXYALKYL GROUPS OF FROM 1 TO 7 CARBON ATOMS, HYDROCARBON GROUPS OF FROM 1 TO 7 CARBON ATOMS, AND THE HYDROGEN ATOM, AND CONDUCTING THE REACTION OF THE ALCOHOL AND THE ACROLEIN IN THE PRESENCE OF WATER, THE AMOUNT OF THE WATER BEING AT LEAST 1% OF THE COMBINED WEIGHTS OF THE ALCOHOL AND ACROLEIN.
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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |