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. 18, 2008
Filed:
Dec. 09, 2004
Applicants:
Vishal Bansal, Richmond, VA (US);
Hyun Sung Lim, Midlothian, VA (US);
David Matthews Laura, Jr., Old Hickory, TN (US);
Inventors:
Vishal Bansal, Richmond, VA (US);
Hyun Sung Lim, Midlothian, VA (US);
David Matthews Laura, Jr., Old Hickory, TN (US);
Assignee:
E.I. du Pont de Nemors and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/00 (2006.01); D04H 13/00 (2006.01); D04H 3/03 (2006.01); D04H 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A full-surface bonded multiple component nonwoven fabric is provided that has an improved combination of tear strength and tensile strength at lower thicknesses than known in the art. The full-surface bonded multiple component webs have a void percent between about 3% and 56% and a Frazier permeability of at least 0.155 m/min-m. The full-surface bonded multiple component nonwoven fabrics can be prepared in a smooth-calendering process.