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:
Apr. 15, 2014
Filed:
Jul. 01, 2009
Pankaj Arora, Chesterfield, VA (US);
Guanghui Chen, Glen Allen, VA (US);
Simon Frisk, Newark, DE (US);
David Keith Graham, Jr., Richmond, VA (US);
Robert Anthony Marin, Midlothian, VA (US);
Hageun Suh, Chadds Ford, PA (US);
Pankaj Arora, Chesterfield, VA (US);
Guanghui Chen, Glen Allen, VA (US);
Simon Frisk, Newark, DE (US);
David Keith Graham, Jr., Richmond, VA (US);
Robert Anthony Marin, Midlothian, VA (US);
Hageun Suh, Chadds Ford, PA (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A nonwoven web of fibers that have a number average diameter of less than 1 micron. The web can have a Poisson Ratio of less than about 0.8, a solidity of at least about 20%, a basis weight of at least about 1 gsm, and a thickness of at least 1 micrometer.