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:
Sep. 09, 2025
Filed:
Jun. 05, 2020
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Mehrdad Hesampour, Helsinki, FI;
Matias Penttinen, Helsinki, FI;
Assignee:
KEMIRA OYJ, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
B01D 37/02 (2006.01); B01J 20/26 (2006.01); C02F 11/121 (2019.01); C02F 11/147 (2019.01); C02F 103/16 (2006.01); C02F 103/28 (2006.01); C02F 103/32 (2006.01); C08F 112/14 (2006.01);
U.S. Cl.
CPC ...
B01D 37/02 (2013.01); B01J 20/261 (2013.01); C02F 11/121 (2013.01); C02F 11/147 (2019.01); C08F 112/30 (2020.02); C02F 2103/16 (2013.01); C02F 2103/28 (2013.01); C02F 2103/32 (2013.01); C02F 2303/16 (2013.01);
Abstract
Disclosed are filter aids for use in industrial processes such as metal ore beneficiation dewatering and filtering processes, paper and pulp dewatering processes and sludge dewatering in municipal waste treatment. The filter aid provides increased filtering efficiency, and reduced filter cake moisture levels.