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:
Dec. 24, 2019
Filed:
Jan. 19, 2017
Vishal Bansal, Lee's Summit, MO (US);
Jeffery Michael Ladwig, Overland Park, KS (US);
Dale R. Kadavy, Overland Park, KS (US);
Vishal Bansal, Lee's Summit, MO (US);
Jeffery Michael Ladwig, Overland Park, KS (US);
Dale R. Kadavy, Overland Park, KS (US);
BHA Altair, LLC, Cleveland, OH (US);
Abstract
A filter media is provided. The filter media has a blend of filter media fibers, including oxidized polyacrylonitrile (OPAN) fibers and fibers of at least one other polymer, such that the OPAN fibers comprise between 30% and 95% by weight of the blend. A filter element incorporating the filter media is also provided. A method of using the filter element is provided as well. Also provided is a method of manufacturing the filter media. The filter media has applicability for filtering air in such acidic environments as a cement factory, lime kiln, asphalt process, rock dust application, and coal fired boilers.