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.

Date of Patent:
Aug. 30, 2016

Filed:

Jun. 17, 2014
Applicants:

Saudi Basic Industries Corporation, Riyadh, SA;

Sabic Global Technologies B.v., Bergen of Zoom, NL;

Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/12 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 1/08 (2006.01); F16L 47/02 (2006.01); F16L 58/18 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
F16L 9/12 (2013.01); B32B 1/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); F16L 47/02 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2250/246 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2307/7244 (2013.01); B32B 2597/00 (2013.01); F16L 58/181 (2013.01); F16L 2011/047 (2013.01);
Abstract

The present invention relates to an assembly of pipe surrounded by a multilayer oxygen barrier film wherein the multilayer oxygen barrier film comprises, in the following order, a) a layer comprising 60-100 wt % of LLDPE (linear low density polyethylene) and 0-40 wt % of LDPE (low density polyethylene), b) a first tie layer, c) a polar oxygen barrier layer, d) a second tie layer and e) a layer comprising 60-100 wt % of LLDPE and 0-40 wt % of LDPE, preferably wherein the pipe is closer to the layer e) than to the layer a).


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