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:
Aug. 27, 2013
Filed:
Dec. 17, 2009
Magnus Palmlöf, Västra Frölunda, SE;
Jeroen Oderkerk, Stenungsund, SE;
Magnus Palmlöf, Västra Frölunda, SE;
Jeroen Oderkerk, Stenungsund, SE;
Borealis AG, Vienna, AT;
Abstract
The present invention is directed to the use of compound (A) and compound (B) in a polyethylene composition for increasing the lifetime of a pipe made of said polyethylene composition which is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein—R, Rand Rindependently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, X, X, and Xindependently are H or OH, with the proviso that at least one of X, X, and Xis OH, and the entire molecule does not comprise an ester group; wherein compound (B) has the following formula (II): wherein R, R, R, Rand Rindependently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and wherein the base resin of said polyethylene composition consists of a polyethylene homo- or copolymer.