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:
Aug. 07, 2001
Filed:
Apr. 23, 1997
Eugene Tedeschi, Still River, MA (US);
Richard Elton, Glen Falls, NY (US);
John Hudson, Wells, ME (US);
C. R. Bard, Inc., Murray Hill, NJ (US);
Abstract
A two step method or process for improving the adherence or bonding of a lubricious coating of a crosslinked polyurethane, polyurea or polyurethaneurea/PEO or PVP coating to a substrate surface, said two step method comprising a first step of subjecting said surface to a surface preparation which results in the treated surface being provided with a functional tie layer containing functional groups for reaction with functional groups of a reaction mixture to be applied in a subsequent second step, which upon curing forms a crosslinked polyurethane, polyurea or polyurethaneurea/PEO or PVP coating and a second step of applying to said tie layer said reaction mixture and curing the reaction mixture. A medical device resulting from the above-described two step method.