The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2018
Filed:
May. 08, 2015
Croda International Plc, Yorkshire, GB;
Sean Philip Nigel Rouse, Yorkshire, GB;
James Alan Prodger, Yorkshire, GB;
Craig Allan Davies, Yorkshire, GB;
Croda International Plc, East Yorkshire, GB;
Abstract
The present invention provides a demulsifier comprising a compound of the general formula (I), a demulsification formulation comprising the demulsifier, methods of making a demulsifier, a method of demulsifying an oil-in-water or a water-in oil emulsion and the use as a demulsifier of a compound comprising a dimer and/or trimer fatty residue and an alkyleneoxy chain comprising a first ethyleneoxy section, a second ethyleneoxy section, and a propyleneoxy section located between the first ethyleneoxy section and the second ethyleneoxy section, wherein the propyleneoxy section comprises from 1 to 20 propyleneoxy groups. The demulsifier may be for use in demulsifying an emulsion, for example crude oil.