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:
Dec. 15, 2020
Filed:
Sep. 08, 2017
Thai Polyethylene Co., Ltd., Bangkok, TH;
Scg Chemicals Co., Ltd., Bangkok, TH;
Natthaporn Suchao-In, Bangkok, TH;
Warachad Klomkamol, Bangkok, TH;
Patcharin Samphawamontri, Bangkok, TH;
Thai Polyethylene Co., Ltd., Bangkok, TH;
SCG Chemicals Co., Ltd., Bangkok, TH;
Abstract
The present invention relates to a bimodal polyethylene composition comprising a low molecular weight polyethylene homopolymer fraction and high molecular weight polyethylene copolymer fraction having a Cto Cα-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt % with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150° C. of less than 6 wt %; and a pipe comprising the same.