US3308173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of primary alcohols from glycols by telomerizing alpha-olefin with glycol borate, hydrolysing to obtain telomer glycol, dehydrating the glycol to obtain alkenol and then hydrogenating
Assignee: Standard Oil Co
•
Filing: 1961-08-30
•
Granted: 1967-03-07
•
Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Donald D Emrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:18
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A PROCESS FOR PRODUCING OLEFIN TELOMER PRIMARY ALIPHATIC ALCOHOLS FROM ALKYLENE GLYCOLS, WHICH COMPRISES FORMING AN ALKYLENE GLYCOL BORATE FROM AN ALKYLENE GLYCOL HAVING FROM ABOUT THREE TO ABOUT THIRTY CARBON ATOMS IN THE MOLECULE AND HAVING A PRIMARY HYDROXYL GROUP, TELOMERIZING AN A-OLEFIN TAXOGEN HAVING FROM ABOUT TWO TO ABOUT TWELVE CARBON ATOMS IN THE MOLECULE WITH THE ALKYLENE GLYCOL BORATE IN THE PRESENCE OF A FREE RADICAL INITIATOR CAPABLE OF INITIATING THE TELOMERIZATION AT A TEMPERATURE AT WHICH AN EVOLUTION OF FREE RADICALS FROM THE INITIATOR IS OBTAINED, DEBORATING THE RESULTING BORONCONTAINING OLEFIN TELOMER TO PRODUCE THE CORRESPONDING GLYCOL, DEHYDRATING THE GLYCOL AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 150 TO ABOUT 300*C. WHICH IS BELOW THE TEMPERATURE OF DEHYDRATION OF THE PRIMARY HYDROXYL GROUP, AND BELOW THE TEMPERATURE OF ISOMERIZATION TO REMOVE THE HYDROXYL GROUP AT THE BRANCED CHAIN TELOMERIC GROUP AND PRODUCE AN ALKENOL AND HYDROGENATING THE ALKENOL TO PRODUCE A PRIMARY SATURATED ALIPHATIC ALCOHOL.
Claim 2
Dependent Claim
160 words
A PROCESS FOR PRODUCING OLEFIN TELOMER PRIMARY ALIPHATIC ALCOHOLS FROM ALKYLENE GLYCOLS, WHICH COMPRISES FORMING AN ALKYLENE GLYCOL BORATE FROM AN ALKYLENE GLYCOL HAVING FROM ABOUT THREE TO ABOUT THIRTY CARBON ATOMS IN THE MOLECULE AND HAVING A PRIMARY HYDROXYL GROUP, TELOMERIZING AN A-OLEFIN TAXOGEN HAVING FROM ABOUT TWO TO ABOUT TWELVE CARBON ATOMS IN THE MOLECULE WITH THE ALKYLENE GLYCOL BORATE IN THE PRESENCE OF A FREE RADICAL INITIATOR CAPABLE OF INITIATING THE TELOMERIZATION AT A TEMPERATURE AT WHICH AN EVOLUTION OF FREE RADICALS FROM THE INITIATOR IS OBTAINED, DEBORATING THE RESULTING BORONCONTAINING OLEFIN TELOMER TO PRODUCE THE CORRESPONDING GLYCOL, DEHYDRATING THE GLYCOL AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 150 TO ABOUT 300*C. WHICH IS BELOW THE TEMPERATURE OF DEHYDRATION OF THE PRIMARY HYDROXYL GROUP, AND BELOW THE TEMPERATURE OF ISOMERIZATION TO REMOVE THE HYDROXYL GROUP AT THE BRANCED CHAIN TELOMERIC GROUP AND PRODUCE AN ALKENOL AND HYDROGENATING THE ALKENOL TO PRODUCE A PRIMARY SATURATED ALIPHATIC ALCOHOL.
References Cited (Backward Citations)
US2671116A
Cited
US2160058A
Cited
US2350350A
Cited
US2423497A
Cited
US2452602A
Cited
US2633473A
Cited
GB680629A
Cited
US2670386A
Cited
US2668181A
Cited
US2671121A
Cited
US2654772A
Cited
US2721181A
Cited
US2741548A
Cited
US3092586A
Cited
US3033896A
Cited
US3117153A
Cited
US3208416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |