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:
Sep. 28, 1999
Filed:
Dec. 01, 1998
Applicant:
Inventors:
Nobukatsu Wakabayashi, Hiratsuka, JP;
Katsuhiko Sugiura, Hiratsuka, JP;
Tatsuhiko Hatakeyama, Hiratsuka, JP;
Assignee:
Mitsubishi Engineering-Plastics Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08G / ;
U.S. Cl.
CPC ...
428215 ; 528300 ; 528301 ; 528302 ; 528308 ; 5283086 ; 428213 ; 428220 ;
Abstract
The present invention relates to a polyester ether film comprising a polyester ether comprising a dicarboxylic acid moiety comprising principally terephthalic acid, its ester derivative or a mixture thereof, and a diol moiety comprising principally tetramethylene glycol and polytetramethylene oxide glycol, the percentage of the polytetramethylene oxide glycol residue in said polyester ether being 1 to 30% by weight based on the weight of said polyester ether.