US Patent 7387746 Method of producing a refrigeration lubricant
Patent 7387746 was granted and assigned to NOF (defunct) on June, 2008 by the United States Patent and Trademark Office.
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Patent abstract
A refrigeration lubricant composition comprises an ester obtained from a mixed alcohol and a mixed carboxylic acid as a main component. The mixed alcohol comprises 65 to 99.95 mol % of pentaerythritol and 0.05 to 35 mol % of dipentaerythritol, the mixed carboxylic acid comprises 25 to 55 mol % of monocarboxylic acid having 5 to 8 carbon atoms and 45 to 75 mol % of isononanoic acid, and the composition has a hydroxyl value of 5.0 mgKOH/g or less and an acid value of 0.05 mgKOH/g or less.
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US Patent 07387746 Method of producing a refrigeration lubricant US Patent 7387746 Method of producing a refrigeration lubricant
Infobox
Patent Number
0738774600
Patent Number
738774600
Edits on 29 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073877460
Date of Patent
June 17, 2008
0Patent Application Number
114904340
Date Filed
July 20, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073877460
Date of Patent
June 17, 2008
0Patent Application Number
114904340
Date Filed
July 20, 2006
0Official Website
Patent Primary Examiner
Edits on 9 Jun, 2022
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US Patent 07387746 Method of producing a refrigeration lubricant
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07387746
Date of patent
June 17, 2008
Patent application number
11490434
Date Filed
July 20, 2006
Patent primary examiner
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