Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Luigi Capuzzi0
Francesca Digioia0
Angela Sagliano0
Date of Patent
April 5, 2022
Patent Application Number
15580315
Date Filed
June 10, 2016
Patent Primary Examiner
The present invention relates to polyol esters that are particularly suitable for use as insulating oils in electrical equipment where an effective cooling action is required, such as electrical transformers. In particular the invention relates to esters of trimethylolpropane with monocarboxylic acids of nine and/or ten carbon atoms, wherein the monocarboxylic acids of nine and/or ten carbon atoms comprise 5-15 mol % of branched acids and 85-95 mol % of linear acids with respect to the total moles of the monocarboxylic acids.
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