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:
Jun. 04, 2019
Filed:
Apr. 18, 2012
Applicants:
Guixi Zhang, Shanghai, CN;
Jason Zhao, Shanghai, CN;
Inventors:
Guixi Zhang, Shanghai, CN;
Jason Zhao, Shanghai, CN;
Assignee:
BL TECHNOLOGIES, INC., Minnetonka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 103/36 (2006.01); C02F 101/32 (2006.01); C08F 220/56 (2006.01); C02F 1/52 (2006.01); C10G 33/04 (2006.01); B01D 17/04 (2006.01); C08F 220/34 (2006.01); C10G 9/00 (2006.01); C02F 1/54 (2006.01);
U.S. Cl.
CPC ...
C02F 1/5272 (2013.01); B01D 17/047 (2013.01); C02F 1/547 (2013.01); C08F 220/34 (2013.01); C10G 9/005 (2013.01); C10G 33/04 (2013.01); C02F 2101/32 (2013.01); C02F 2103/365 (2013.01); C02F 2305/00 (2013.01); C08F 220/56 (2013.01);
Abstract
Methods are disclosed for reducing oil in water emulsions in coking processes. One exemplary method comprises: providing an aqueous stream with an oil in water emulsion; providing a treatment composition, wherein the treatment composition comprises at least one cationic polyacrylamide; and contacting the aqueous stream with the treatment composition.