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:
May. 28, 2019

Filed:

Dec. 23, 2014
Applicant:

Buckeye Technologies Inc., Memphis, TN (US);

Inventors:

Jacek K. Dutkiewicz, Cordova, TN (US);

Stephen A. Skirius, Collierville, TN (US);

Sonja McNeil Fields, Memphis, TN (US);

Lynn Hung Rushing, Olive Branch, MS (US);

David Jay Smith, Germantown, TN (US);

Michael Kalmon, Boyertown, PA (US);

Ronald Timothy Moose, Lakeland, TN (US);

Ryszard Fryczkowski, Bielsko-Biala, PL;

Beata Fryczkowska, Bielsko-Biala, PL;

Monika Rom, Bielsko-Biala, PL;

Assignee:

GEORGIA-PACIFIC NONWOVENS LLC, Atlanta, GA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); A61F 13/537 (2006.01); A61L 15/52 (2006.01); D06M 11/00 (2006.01); D06M 11/57 (2006.01); D06M 13/184 (2006.01); D06M 13/188 (2006.01); D06M 13/224 (2006.01); D06M 23/06 (2006.01); D21C 9/00 (2006.01); D21H 21/22 (2006.01); D21H 17/14 (2006.01); D21H 27/30 (2006.01);
U.S. Cl.
CPC ...
B01J 20/223 (2013.01); A61F 13/53747 (2013.01); A61L 15/52 (2013.01); D06M 11/00 (2013.01); D06M 11/57 (2013.01); D06M 13/184 (2013.01); D06M 13/188 (2013.01); D06M 13/224 (2013.01); D06M 23/06 (2013.01); D21C 9/002 (2013.01); D21H 21/22 (2013.01); D06M 2200/12 (2013.01); D21H 17/14 (2013.01); D21H 27/30 (2013.01); Y10T 442/2164 (2015.04); Y10T 442/2213 (2015.04); Y10T 442/2221 (2015.04);
Abstract

The present invention is directed to an absorbent material and the fibers therein, having two or more layers including an upper surface layer which has on the outer surface of the layer one or more surface area zones which are more wettable zones and adjacent thereto one or more less wettable zones, where the more wettable zones have a greater hydrophilicity than the less wettable zone. The present invention is also directed to the fibers therein, which contain polyvalent cation-containing compounds and fatty acid containing compounds. The present invention also provides for methods of treating fibers or solid materials and processes of producing the hydrophobic materials.


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