Patent 7632574 was granted and assigned to Nexans on December, 2009 by the United States Patent and Trademark Office.
A method of cross-linking a composition comprising firstly a polyethylene-based silane-grafted polymer, and secondly a filler. The invention is remarkable in that the cross-linking method consists in mixing the composition with a condensation catalyst constituted by lauryl stannoxane of formula [(C4H9)2Sn(OOCC11H23)]2O.