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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.:

US 9259689 B1

PDFFull Text
Date of Patent:
Feb. 16, 2016

Filed:

Nov. 13, 2012

Functionalized nonwoven article

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Clinton P. Waller, Jr., White Bear Lake, MN (US);

Douglas E. Weiss, Golden Valley, MN (US);

Catherine A. Bothof, Stillwater, MN (US);

Kannan Seshadri, Woodbury, MN (US);

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);

Attorney:

Kent S. Kokko

Primary Examiner:

Marianne L Padgett

Int. Cl.
CPC ...
C08J 7/18 (2006.01); B01D 67/00 (2006.01); D06M 14/26 (2006.01); B01D 69/10 (2006.01); B01D 39/16 (2006.01); B01D 63/00 (2006.01); B01D 63/10 (2006.01); B01D 63/14 (2006.01); D04H 1/42 (2012.01); D04H 1/56 (2006.01); D06M 14/28 (2006.01);
U.S. Cl.
CPC ...
B01D 67/0093 (2013.01); B01D 39/1623 (2013.01); B01D 39/1692 (2013.01); B01D 63/00 (2013.01); B01D 63/10 (2013.01); B01D 63/14 (2013.01); B01D 67/009 (2013.01); B01D 69/10 (2013.01); B01D 69/105 (2013.01); D04H 1/42 (2013.01); D04H 1/56 (2013.01); D06M 14/26 (2013.01); D06M 14/28 (2013.01); B01D 2239/0421 (2013.01); B01D 2239/0464 (2013.01); B01D 2239/065 (2013.01); B01D 2239/069 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1216 (2013.01); B01D 2239/1225 (2013.01); B01D 2239/1266 (2013.01); B01D 2239/1291 (2013.01); B01D 2323/385 (2013.01); Y10T 442/2008 (2015.04);
Abstract

A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising anionic monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as monoclonal antibodies (MAb), from a fluid mixture.

Find Patent Forward Citations

Waller, Jr., Clinton. (2016). Functionalized nonwoven article (U.S. Patent No. 9259689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9259689

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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