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:
Aug. 02, 1983
Filed:
Apr. 06, 1982
Applicant:
Inventor:
Yuzo Toga, Himeji, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
525444 ; 525437 ; 528300 ; 528301 ; 5283081 ; 5283086 ; 5283087 ;
Abstract
A thermoplastic polyester copolymer comprises units derived from (A) terephthalic acid, a diol mixture of (B-1) 60 to 95 mol % of 2-methyl-1,3-propanediol and 5 to 40 mol % of 1,4-cyclohexanedimethanol, or (B-2) 5 to 95 mol % of 2-methyl-1,3-propanediol and 5 to 95 mol % of tetramethyleneglycol, and (C) 5 to 50 wt. %, based on the copolymer, of a polyalkylene ether glycol phthalate having a number-average molecular weight of 500 to 3000 in the polyalkylene ether glycol block thereof.