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:
May. 08, 2012
Filed:
Jan. 22, 2009
Applicants:
Thomas B. Green, Liberty Township, OH (US);
Lei LI, West Chester, OH (US);
Inventors:
Thomas B. Green, Liberty Township, OH (US);
Lei Li, West Chester, OH (US);
Assignee:
Clarcor Inc., Franklin, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-layer filter media including at least one layer of melt-blown fiber filter media and at least one layer of electrospun nanofiber filter media is provided. The multi-layer filter media of the present invention is configured such that the at least one layer of the melt-blown fiber filter media is on the upstream and the at least one electrospun nanofiber filter media is positioned downstream of the at least one melt-blown fiber filter media.