Patent · US Active

Method of removing impurities from natural ester, oil-based dielectric fluids

US10163542B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

Union Carbide Chemicals & Plastics Technology LLC · US

Inventors

Suh Joon Han · Schwenksville, US
Peter C. Dreux · Collegeville, US
Paul J. Caronia · Annandale, US
Daniel Witte · Weil am Rhein, DE

Key dates

Filing date	Oct 31, 2017
Grant date	Dec 25, 2018
Priority date	—
Expiry date	Oct 31, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH01B3/20
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The method of manufacturing a natural ester, oil-based electrical insulation fluid by contacting refined, bleached, optionally winterized, and deodorized natural ester oil, e.g., soy oil, with an absorbent is improved by using as the absorbent a synthetic silicate absorbent comprising an alkali and/or alkaline earth metal, e.g., magnesium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.