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:
Aug. 29, 2023
Filed:
Sep. 04, 2018
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Tom Fenderson, Decatur, GA (US);
Igal Maasen, Acworth, GA (US);
Erica Pin, Houston, TX (US);
Miguel Pelaez, Decatur, GA (US);
Assignee:
KEMIRA OYJ, Helsinki, FL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/01 (2006.01); C02F 1/52 (2023.01); C02F 11/148 (2019.01); C08F 220/06 (2006.01); C08F 220/34 (2006.01); C08F 220/56 (2006.01); C08L 33/02 (2006.01); C10G 1/00 (2006.01); B03D 3/02 (2006.01); B03D 3/06 (2006.01); C10G 1/04 (2006.01);
U.S. Cl.
CPC ...
B01D 21/01 (2013.01); C02F 1/5245 (2013.01); C02F 11/148 (2019.01); C08F 220/06 (2013.01); C08F 220/34 (2013.01); C08F 220/56 (2013.01); C08L 33/02 (2013.01); C10G 1/002 (2013.01); B03D 3/02 (2013.01); B03D 3/06 (2013.01); C10G 1/045 (2013.01);
Abstract
Terpolymers and use thereof are provided comprising one or more nonionic monomers, one or more anionic monomers and one or more cationic monomers, These terpolymers and compositions containing may be used as flocculants, for example, for treating tailings, such as oil sands tailings, to facilitate solid-liquid separation, for example, in order to efficiently recycle water and/or to reduce the volume of tailings which may be transferred to a tailings pond and/or to a dedicated disposal area.