US3017438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage
Assignee: —
•
Filing: —
•
Granted: 1962-01-16
•
Expires: 1979-01-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:45
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PROCESS FOR THE CONVERSION OF TRIALKYLALUMINUM TO ALCOHOLS COMPRISING THE STEPS OF INCOMPLETELY OXIDIZING TRIALKYLALUMINUM BY CONTACTING SAID TRIALKYLALUMINUM WITH AN OXYGEN-CONTAINING GAS, THEREBY OBTAINING A PRODUCT MIXTURE CONTAINING ALUMINUM ALKOXIDES AND COMPOUNDS WITH ALKYLALAMINUM STRUCTURE, REACTING SAID PRODUCT MIXTURE WITH A QUANTITY OF A COMPOUD HAVING AT LEAST ONE HYDROXYL GROUP WHICH ACTS AS A PROTON DONOR AND SELECTED FROM THE CLASS OF COMPOUND S CONSISTING OF MONOHYDRIC AND POLYHYDRIC ALCOHOLS, ALKOXYALKANOLS, PHENOLS AND WATER, THE QUANTITY OF SAID PROTON DONOR BEING THE AMOUNT REQUIRED TO REACT WITH SUBSTANTIALY ALL OF THE ALKYLALUMINUM STRUCTURES IN SAID PRODUCT MIXTURE, THEREBY OBTAINING A SECOND PRODUCT MIXTURE CONTAINING ALUMINUM ALKOXIDES AND HYDROCARBONS, DISTILLING SAID SECOND PRODUCT MIXTURE TO RECOVER ALUMINUM ALKOXIDES SUBSTANTIALLY FREE FROM HYDROCARBONS AND HYDROLYZING SAID ALUMINUM ALKOXIDES, THEREBY OBTAINING ALCOHOLS WHICH ARE SUBSTANTIALLY FREE FROM HYDROCARBON CONTAMINANTS.
Claim 2
Dependent Claim
139 words
A PROCESS FOR THE CONVERSION OF TRIALKYLALUMINUM TO ALCOHOLS COMPRISING THE STEPS OF INCOMPLETELY OXIDIZING TRIALKYLALUMINUM BY CONTACTING SAID TRIALKYLALUMINUM WITH AN OXYGEN-CONTAINING GAS, THEREBY OBTAINING A PRODUCT MIXTURE CONTAINING ALUMINUM ALKOXIDES AND COMPOUNDS WITH ALKYLALAMINUM STRUCTURE, REACTING SAID PRODUCT MIXTURE WITH A QUANTITY OF A COMPOUD HAVING AT LEAST ONE HYDROXYL GROUP WHICH ACTS AS A PROTON DONOR AND SELECTED FROM THE CLASS OF COMPOUND S CONSISTING OF MONOHYDRIC AND POLYHYDRIC ALCOHOLS, ALKOXYALKANOLS, PHENOLS AND WATER, THE QUANTITY OF SAID PROTON DONOR BEING THE AMOUNT REQUIRED TO REACT WITH SUBSTANTIALY ALL OF THE ALKYLALUMINUM STRUCTURES IN SAID PRODUCT MIXTURE, THEREBY OBTAINING A SECOND PRODUCT MIXTURE CONTAINING ALUMINUM ALKOXIDES AND HYDROCARBONS, DISTILLING SAID SECOND PRODUCT MIXTURE TO RECOVER ALUMINUM ALKOXIDES SUBSTANTIALLY FREE FROM HYDROCARBONS AND HYDROLYZING SAID ALUMINUM ALKOXIDES, THEREBY OBTAINING ALCOHOLS WHICH ARE SUBSTANTIALLY FREE FROM HYDROCARBON CONTAMINANTS.
References Cited (Backward Citations)
US2892858A
Cited
US2863895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |