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:
Jul. 30, 2013
Filed:
Jun. 27, 2012
Applicants:
Richard Allen Hayes, Beaumont, TX (US);
Qin Lin, Kingston, CA;
Inventors:
Richard Allen Hayes, Beaumont, TX (US);
Qin Lin, Kingston, CA;
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 15/085 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); B67D 99/00 (2010.01); F16L 9/14 (2006.01); F17D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pipe or tube article comprising an innermost comprising a grafted polyolefin composition made from a grafted polyolefin composition is disclosed which can provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.