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:
Nov. 08, 2016
Filed:
Nov. 02, 2009
Applicant:
Richard Allen Hayes, Beaumont, TX (US);
Inventor:
Richard Allen Hayes, Beaumont, TX (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/04 (2006.01); B32B 37/06 (2006.01); F16L 57/06 (2006.01); B32B 1/08 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); F16L 9/127 (2006.01); B32B 5/02 (2006.01); B32B 15/08 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); B32B 25/08 (2006.01); B32B 25/14 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/28 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
F16L 57/06 (2013.01); B32B 1/08 (2013.01); B32B 5/024 (2013.01); B32B 5/026 (2013.01); B32B 15/08 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); B32B 25/08 (2013.01); B32B 25/14 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/20 (2013.01); B32B 27/281 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); F16L 9/127 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2264/102 (2013.01); B32B 2264/108 (2013.01); B32B 2274/00 (2013.01); B32B 2307/308 (2013.01); B32B 2307/554 (2013.01); B32B 2307/71 (2013.01); B32B 2307/714 (2013.01); B32B 2307/72 (2013.01); B32B 2597/00 (2013.01); Y10T 137/0318 (2015.04);
Abstract
A pipe- or tube-shaped article having an innermost layer is disclosed which comprises a polyolefin composition comprising a polyolefin comprising ethylene and an α-olefin. The article provides long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Also disclosed are methods for preparing the article and transporting abrasive materials.