US Patent 7667066 Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
Patent 7667066 was granted and assigned to Albemarle Corporation on February, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise the hindered phenolic esters produced according to these methods are also described.
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Patent Inventor Names
Chi Hung Cheng0
Hassan Y. Elnagar0
J. Robert Adams0
Vincent J. Gatto0
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US Patent 07667066 Preparation of sterically hindered hydroxyphenylcarboxylic acid esters US Patent 7667066 Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
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Patent Number
076670660
Patent Number
76670660
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076670660
Date of Patent
February 23, 2010
0Patent Application Number
107888500
Date Filed
February 27, 2004
0Official Website
Patent Primary Examiner
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US Patent 07667066 Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07667066
Date of patent
February 23, 2010
Patent application number
10788850
Date Filed
February 27, 2004
Patent primary examiner
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