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. 01, 2016
Filed:
Jan. 19, 2012
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);
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);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
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.