Patent · US Active

Polyorganosiloxane demulsifier compositions and methods of making the same

US8030363B2 · kind B2 · utility

2Cited by

26References

2Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Anubhav Saxena · Bengaluru, IN
Monjit Phukan · Bengaluru, IN
Umapathy Senthilkumar · Bengaluru, IN
Ian Procter · Bogis-Bossey, CH
Sigfredo Gonzalez · Danbury, US
Kalman Koczo · Suffern, US
Sabine Azouani · Ferney-Voltaire, FR
Vikram Kumar

Key dates

Filing date	Jan 25, 2008
Grant date	Oct 4, 2011
Priority date	—
Expiry date	Dec 28, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L83/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a method for separating emulsions of oil and water, the method comprising incorporating a demulsifying-effective amount of a polyorganosiloxane demulsifier into an emulsion comprising an oil phase and an aqueous phase. The invention also relates to compositions containing polyorganosiloxane demulsifier and the water and oil phases of an emulsion.

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