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. 22, 2022
Filed:
Oct. 30, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Jerald K. Rasmussen, Woodville, WI (US);
Catherine A. Bothof, Stillwater, MN (US);
Kannan Seshadri, Woodbury, MN (US);
James I. Hembre, Plymouth, MN (US);
Robert T. Fitzsimons, Jr., Minneapolis, MN (US);
George W. Griesgraber, Eagan, MN (US);
Yi He, Roseville, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 1/22 (2006.01); B01D 71/56 (2006.01); C09D 179/02 (2006.01); B01D 67/00 (2006.01); C07H 1/08 (2006.01); C07K 14/765 (2006.01);
U.S. Cl.
CPC ...
C07K 1/22 (2013.01); B01D 67/0093 (2013.01); B01D 71/56 (2013.01); C07H 1/08 (2013.01); C07K 14/765 (2013.01); C09D 179/02 (2013.01); B01D 2323/30 (2013.01); B01D 2323/385 (2013.01); Y10T 428/31663 (2015.04); Y10T 428/31721 (2015.04); Y10T 428/31725 (2015.04); Y10T 428/31855 (2015.04); Y10T 428/31928 (2015.04);
Abstract
A substrate comprising a crosslinked polymer primer layer, and grafted thereto a ligand-functionalized polymer is provided. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, and proteins, at pH's near or below the pI's of the biomaterials.