Patent · US Active

Polyorganosiloxane demulsifier compositions and methods of making same

US8507565B2 · kind B2 · utility

0Cited by

27References

27Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Anubhav Saxena · Bengaluru, IN
Monjit Phukan · Bengaluru, IN
Senthilkumar U. · 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	Jun 14, 2011
Grant date	Aug 13, 2013
Priority date	—
Expiry date	Jun 14, 2031

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.