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:
May. 01, 2018
Filed:
Sep. 25, 2014
3m Innovative Properties Company, St. Paul, MN (US);
Jerald K. Rasmussen, Woodville, WI (US);
Catherine A. Bothof, Stillwater, MN (US);
George W. Griesgraber, Eagan, MN (US);
Semra Colak Atan, St. Louis Park, MN (US);
James I. Hembre, Plymouth, MN (US);
Robert T. Fitzsimons, Jr., Minneapolis, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An article that can be used for biomaterial capture comprises (a) a porous substrate; and (b) borne on the porous substrate, a polymer comprising interpolymerized units of at least one monomer consisting of (1) at least one monovalent ethylenically unsaturated group, (2) at least one monovalent ligand functional group selected from acidic groups, basic groups other than guanidino, and salts thereof, and (3) a multivalent spacer group that is directly bonded to the monovalent groups so as to link at least one ethylenically unsaturated group and at least one ligand functional group by a chain of at least six catenated atoms.