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:
Nov. 23, 2010
Filed:
Apr. 05, 2007
Applicant:
Kyung-ju Choi, Louisville, KY (US);
Inventor:
Kyung-Ju Choi, Louisville, KY (US);
Assignee:
AAF-McQuay Inc., Louisville, KY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter media product and method of making the same wherein the filter media is pleatable and has at least one support scrim comprised of a melt bonded non-woven material or a fuse bonded non-woven material bonded to a layer of expanded polytetrafluoroethylene. The filter media may have a single support scrim with one or more layers and optionally may have a support scrim on both an upstream and downstream surface where both or neither support scrim is multilayered. The filter media may have an efficiency greater than, equal to, or less than HEPA.