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:
Jun. 16, 2015
Filed:
Aug. 31, 2010
Hiroji Kojima, Mishima, JP;
Jun Sakamoto, Otsu, JP;
Koichi Dan, Otsu, JP;
Shigeru Aoyama, Otsu, JP;
Toray Industries, Inc., , JP;
Abstract
A polyethylene terephthalate composition includes a copolymer component having at least 3 functional groups in an amount of 0.01 mol % to 1.00 mol % with respect to ethylene terephthalate units, in which a ratio (Mw/Mn) between the weight average molecular weight and number average molecular weight of the polyethylene terephthalate composition is 5.0 to 8.0; an alkali metal compound in an amount of 1.0 mol/ton to 3.0 mol/ton in terms of alkali metal element; a phosphorus compound in an amount of 1.5 mol/ton to 5.0 mol/ton in terms of elemental phosphorus; and an o-chlorophenol insoluble matter in an amount of less than 0.5 wt %.