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:
Feb. 14, 2012
Filed:
Apr. 28, 2009
Applicants:
Robert L. Sherman, Jr., Blue Ash, OH (US);
Sebastian Joseph, Mason, OH (US);
Charles S. Holland, Springboro, OH (US);
Mick C. Hundley, Loveland, OH (US);
Inventors:
Robert L. Sherman, Jr., Blue Ash, OH (US);
Sebastian Joseph, Mason, OH (US);
Charles S. Holland, Springboro, OH (US);
Mick C. Hundley, Loveland, OH (US);
Assignee:
Equistar Chemicals, LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 22/00 (2006.01); B29D 23/00 (2006.01); B32B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a pipe resin composition. The composition comprises a polyethylene pipe resin, a primary antioxidant, and an acid. The composition of the invention has an increased oxidative induction time (OIT) and environmental stress cracking resistance (ESCR).