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. 25, 2008
Filed:
Dec. 21, 2001
Ralph A. Chappa, Prior Lake, MN (US);
Sean M. Stucke, Farmington, MN (US);
Richard A. Amos, St. Anthony, MN (US);
Terrence P. Everson, Eagan, MN (US);
Stephen J. Chudzik, St. Paul, MN (US);
Dale G. Swan, St. Louis Park, MN (US);
Peter H. Duquette, Edina, MN (US);
Ralph A. Chappa, Prior Lake, MN (US);
Sean M. Stucke, Farmington, MN (US);
Richard A. Amos, St. Anthony, MN (US);
Terrence P. Everson, Eagan, MN (US);
Stephen J. Chudzik, St. Paul, MN (US);
Dale G. Swan, St. Louis Park, MN (US);
Peter H. Duquette, Edina, MN (US);
SurModics, Inc., Eden Prairie, MN (US);
Abstract
A grafting reagent and related method of using the reagent to form a polymeric layer on a support surface, and particularly a porous support surface, in a manner that provides and/or preserves desired properties (such as porosity) of the surface. The reagent and method can be used to provide a thin, conformable, uniform, uncrosslinked coating having desired properties onto the surface of a preformed, and particularly a porous, polymeric substrate. The method includes the steps of a) providing a porous support surface, b) providing a nonpolymeric grafting reagent comprising a photoinitator group, c) providing one or more polymerizable monomers adapted to be contacted with the surface, in the presence of the grafting reagent, and to be polymerized upon activation of the photoinitiator; and d) applying the grafting reagent and monomer(s) to the surface in a manner, and under conditions, suitable to coat the surface with the grafting reagent and to cause the polymerization of monomers to the surface upon activation of the grafting reagent.