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:
Mar. 20, 2012
Filed:
Feb. 21, 2007
Applicants:
Rahul Dharmadhikary, South Windsor, CT (US);
Rongguo Zhao, Simsbury, CT (US);
Inventors:
Rahul Dharmadhikary, South Windsor, CT (US);
Rongguo Zhao, Simsbury, CT (US);
Assignee:
Ahlstrom Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/14 (2006.01); B32B 3/00 (2006.01); A61B 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a nonwoven fabric including at least one nonwoven web material layer having thermoplastic polymer filaments and an initial thickness Ts, wherein the method includes embossing the nonwoven web material layer to form in the layer an embossed portion having a compressed thickness Tc that is less than Ts and an expanded portion of the layer having a thickness Te that is greater than Ts.