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:
Jan. 26, 1999
Filed:
May. 05, 1997
Applicant:
Inventors:
Kevin E Healy, Evanston, IL (US);
Jane P Bearinger, Livermore, CA (US);
Assignee:
BioEngineered Materials, Inc., Evanston, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428336 ; 427-211 ; 427-212 ; 427301 ; 427387 ; 4274071 ; 427512 ; 428216 ; 428448 ; 428451 ; 428520 ; 428522 ;
Abstract
An biologically compatible coating, enables an apparatus to which it is applied to resist to cell adhesion and/or protein adsorption. The coating comprises a polyacrylamide network grafted to a surface of the apparatus at polymerization sites on that surface and a poly(ethylene glycol) network interpenetrating the polyacrylamide network, and is prepared by sequentially polymerizing the polyacrylamide and poly(ethylene glycol) layers.