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:
Apr. 24, 2012
Filed:
May. 26, 2010
Thoi H. Ho, Lake Jackson, TX (US);
Detlef Schramm, Waedenswil, CH;
Pak-meng Cham, Lake Jackson, TX (US);
Kalyan Sehanobish, Rochester, MI (US);
Thoi H. Ho, Lake Jackson, TX (US);
Detlef Schramm, Waedenswil, CH;
Pak-Meng Cham, Lake Jackson, TX (US);
Kalyan Sehanobish, Rochester, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
Stabilized polyethylene materials which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments are disclosed. The materials include an antioxidant system with components to provide extraction resistance in hot water environments and additionally provides oxidation resistance to both chlorine in the water interior of the pipe and oxygen in contact with the pipe's exterior.