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:
Jun. 25, 2013
Filed:
Nov. 23, 2009
Applicant:
Patrick Henry Young, Colonial Heights, VA (US);
Inventor:
Patrick Henry Young, Colonial Heights, VA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/08 (2006.01); D01D 5/18 (2006.01); D04H 3/00 (2012.01);
U.S. Cl.
CPC ...
Abstract
A non-woven web, comprising one or more polymeric fibers, wherein the number-average fiber diameter distribution of said one or more polymeric fibers conforms to a Johnson unbounded distribution. Non-woven webs comprising such polymeric fibers are rendered with mean-flow pore size and porosity desirable for specific filtration applications such as hepafiltration.