US Patent 7816308 Ketone diarylamine condensates
Patent 7816308 was granted and assigned to Crompton Corporation on October, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Disclosed herein is a composition comprising:A) a lubricant; andB) a mixture of antioxidants, wherein said mixture is prepared by the partial condensation of an alkylated diphenylamine with an aldehyde or ketone in the presence of an acidic catalyst to yield at least one acridan of the general formula:
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Patent Inventor Names
Cyril A. Migdal0
John R. Baranski0
Karl J. Duyck0
Rebecca F. Seibert0
Theodore E. Nalesnik0
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US Patent 07816308 Ketone diarylamine condensates US Patent 7816308 Ketone diarylamine condensates
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Patent Number
078163080
Patent Number
78163080
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078163080
Date of Patent
October 19, 2010
0Patent Application Number
108250650
Date Filed
April 14, 2004
0Official Website
Patent Primary Examiner
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US Patent 07816308 Ketone diarylamine condensates
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07816308
Date of patent
October 19, 2010
Patent application number
10825065
Date Filed
April 14, 2004
Patent primary examiner
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