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.

Date of Patent:
Sep. 20, 2005

Filed:

Mar. 15, 2000
Applicants:

Thomas J Bormann, Huntington, NY (US);

Gerard Delgiacco, Yonkers, NY (US);

Byron Selman, Huntington, NY (US);

Inventors:

Thomas J Bormann, Huntington, NY (US);

Gerard Delgiacco, Yonkers, NY (US);

Byron Selman, Huntington, NY (US);

Assignee:

Pall Corporation, East Hills, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D063/00 ;
U.S. Cl.
CPC ...
Abstract

A filter for processing a biological fluid is disclosed comprising at least two filter elements wherein the surface of one filter element is substantially non-hydroxylated and has a nitrogen-to-oxygen ratio in the range of from at least 0.01 to less than about 1.00, and the surface of the other filter element is hydroxylated relative to the bulk of the element.


Find Patent Forward Citations

Loading…