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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
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Filing: 1961-08-30
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Granted: 1967-03-07
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Expires: 1981-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 Donald D Emrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:35
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.

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

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