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. 05, 2019
Filed:
May. 25, 2016
Dow Global Technologies Llc, Midland, MI (US);
Jeffrey M. Cogen, Collegeville, PA (US);
Manish Talreja, Collegeville, PA (US);
Timothy J. Person, Collegeville, PA (US);
Raghunath Roy, Midland, MI (US);
Thomas H. Peterson, Midland, MI (US);
Jessica D. Drazba, Collegeville, PA (US);
Neil W. Dunchus, Collegeville, PA (US);
Gerrit Groot-Enzerink, Horgen, CH;
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The process for making extra high voltage cable insulation is improved by using a composition comprising in weight percent based on the weight of the composition: (A) 95 to 99.9% of an ethylene-based polymer; (B) 0.2 to 2.5% peroxide; (C) 0.01 to 0.5% of a sulfur-containing first antioxidant having at least one —S(CH)COR group, wherein R is C6 to C20 alkyl; (D) 0.001 to 0.009%) of a sulfur-containing second antioxidant that does not contain a —S(CH)COR group, wherein R is a C6 to C20 alkyl; (E) Optionally, an organic nitrogenous base; and (F) Optionally, a phenolic third antioxidant that does not contain a —S(CH)COR group, wherein R is a C6 to C20 alkyl.