Maro Publications

Coextrusion

Patents with Abstracts

*8/7/2012

Maro Topics

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Patents with Abstracts

2. 8,231,374 
Extrusion apparatus for making multilayer articles
 
Chin et al of Boston Scientific Scimed, Inc., Minnesota, an extrusion apparatus for making a multilayer article using multiple discs, each of which has at least one passageway configured to permit fluid flow therethrough in a flow direction. At least one of the discs includes a cone shaped portion extending substantially parallel to the flow direction.  This system is used to multilayer catheter balloons. (RDC 8/7/2012)

1. 8,211,517 
Multi-layered coextruded tube
 
Martens, Mathew and  Topoulos of DuPont, Delaware, developed a multi-layered co-extruded tubes consisting of an outer layer of a first semiaromatic semicrystalline polyamide having a melt temperature of about 240 to 280 C,  a thermal stabilizer and an inner layer including a second semiaromatic semicrystalline polyamide having a glass transition equal to or greater than 100.degree. C. (RDC 7/9/2012)

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Interested!!
Bookmark this page to follow future developments!.
(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921
E-Mail: cornelrd@bee.net  

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Copyright 2012 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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** Date of latest addition; date of first entry is 7/9/2012.