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:
Sep. 25, 2018
Filed:
Oct. 30, 2009
Applicants:
Anneli Pakkanen, Vasterskog, FI;
Magnus Palmlöf, Vastra Frolunda, SE;
Jeroen Oderkerk, Stenungsund, SE;
Inventors:
Anneli Pakkanen, Vasterskog, FI;
Magnus Palmlöf, Vastra Frolunda, SE;
Jeroen Oderkerk, Stenungsund, SE;
Assignee:
Borealis AG, Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B29C 47/00 (2006.01); B29C 35/08 (2006.01); F16L 9/12 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
F16L 9/12 (2013.01); F16L 11/04 (2013.01); Y10T 428/139 (2015.01);
Abstract
A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/mobtained by polymerization with a single-site catalyst and having a shear thinning index SHIof less than 10; and wherein said pipe has a pressure test at 4.8 MPa and 95° C. of at least 500 h and at 12.4 MPa and 20° C. of at least 500 h.