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. 05, 2002
Filed:
Jun. 09, 1999
Applicant:
Inventors:
Clement J. Haley, Mifflinburg, PA (US);
Larry L. Kinn, Franklin, MA (US);
Assignee:
BBA Nonwovens Simpsonvillle, Inc., Simpsonville, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ;
U.S. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ;
Abstract
A filtration fabric which is composed of 15.0 to 100.0% binder fiber, 0.0 to 85.0% pulp portion, 0.0% to 15.0% latex binder or other stiffening agent. A filter media made of the fabric has an improved flow rate averaging no more than 21 seconds, while maintaining an average sediment retention of 70% and minimum wet burst strength of about 40 psi to about 50 psi, preferably about 50 psi.