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:
Feb. 11, 2003

Filed:

Jul. 21, 2000
Applicant:
Inventors:

Peter A. Graef, Puyallup, WA (US);

Colin Elston, Gig Harbor, WA (US);

Daniel T. Bunker, Karhula, FI;

Fred B. Howard, Olalla, WA (US);

Jeffrey D. Matthews, Puyallup, WA (US);

Shahrokh A. Naieni, Seattle, WA (US);

Charles E. Miller, Kent, WA (US);

Assignee:

Weyerhaeuser Company, Federal Way, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 1/315 ;
U.S. Cl.
CPC ...
A61F 1/315 ;
Abstract

A unitary stratified composite composed of a first stratum and a second stratum integrally connected by a transition zone is disclosed. The first stratum serves as a liquid acquisition stratum that rapidly acquires and then transfers liquid to the second stratum. The second stratum serves to withdraw liquid from the first stratum and further serves as a temporary storage stratum. Methods for forming the unitary stratified composite are also disclosed.


Find Patent Forward Citations

Loading…