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:
Oct. 20, 1992
Filed:
Feb. 26, 1992
Applicant:
Inventors:
Patrick H Fitzgerald, Pitman, NJ (US);
Nicholas O Wolf, Ponca City, OK (US);
Charles R Clark, Ponca City, OK (US);
D Philip Cords, Newark, DE (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C01G / ; C01G / ;
U.S. Cl.
CPC ...
252342 ; 252340 ; 252358 ; 210689 ; 210708 ; 210733 ; 208188 ;
Abstract
A method of emulsion breaking comprising contacting an emulsion with a substrate having adhered thereto an alkylphenol-polyethylene oxide-acrylate polymer. The emulsion breaking material is used to separate water-in-oil emulsion by coalescence.