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:
Feb. 09, 2010
Filed:
Apr. 12, 2004
Applicants:
Robert Burgmeier, Plymouth, MN (US);
Richard L. Goodin, Blaine, MN (US);
Joseph Delaney, Jr., Minneapolis, MN (US);
Inventors:
Robert Burgmeier, Plymouth, MN (US);
Richard L. Goodin, Blaine, MN (US);
Joseph Delaney, Jr., Minneapolis, MN (US);
Assignee:
Boston Scientific Scimed, Inc., Maple Grove, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/38 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coextrusion employing a tie layer between two layers of different polymer materials. The tie layer is formed in the extrusion melt of a composition comprising one of the two polymer materials and a coupling agent that includes functional groups that are reactive at least with functional groups on the second polymer. The coupling agent may be incorporated into the tie layer material in amounts above 5% by weight.