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. 16, 2004
Filed:
May. 16, 2002
Applicant:
Inventor:
Bruce M. Jelle, Chanhassen, MN (US);
Assignee:
SurModics, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/04 ;
U.S. Cl.
CPC ...
B32B 9/04 ;
Abstract
An inorganic substrate with two or more coating layers is provided. The first coating layer is attached to the inorganic substrate and includes the polymeric reaction product formed upon hydrolysis of a silane compound having at least two tri(C -C )alkoxysilyl groups. The second and subsequent coating layers include at least one hydrophilic polymer and at least one photoactivatable cross-linking agent. The inorganic substrate can be a medical device suitable for insertion into the body of a mammal. The coatings are tenacious and not easily removed from the inorganic substrate by abrasion.