US Patent 7902408 BPA process improvement
Patent 7902408 was granted and assigned to Stone & Webster on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present disclosure enables phenol recovery, purification and recycle in a simple, economic manner from waste streams from, for example, a phenol/acetone production process, e.g., a phenol/acetone plant or an upstream cumene hydroperoxide cleavage process step, and BPA production step, for use in the reaction with acetone to produce BPA. The disclosure therefore reduces the overall consumption of phenol in the production of BPA.
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US Patent 07902408 BPA process improvement US Patent 7902408 BPA process improvement
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Patent Number
0790240800
Patent Number
790240800
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079024080
Date of Patent
March 8, 2011
0Patent Application Number
121133320
Date Filed
May 1, 2008
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079024080
Date of Patent
March 8, 2011
0Patent Application Number
121133320
Date Filed
May 1, 2008
0Official Website
Patent Primary Examiner
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US Patent 07902408 BPA process improvement
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07902408
Date of patent
March 8, 2011
Patent application number
12113332
Date Filed
May 1, 2008
Patent primary examiner
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