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:
May. 12, 1998
Filed:
Aug. 25, 1995
Yasuhiro Harada, Tokyo, JP;
Shinichiro Mori, Tokyo, JP;
Kayo Hasegawa, Tokyo, JP;
Junichi Kitagawa, Tokyo, JP;
Yoichiro Inoue, Tokyo, JP;
Eiichi Kai, Tokyo, JP;
Shinichi Sekine, Tokyo, JP;
Yuuzou Fukawa, Tokyo, JP;
Takashi Shirane, Tokyo, JP;
Kazuhiro Hamauji, Tokyo, JP;
NKK Corporation, Tokyo, JP;
Kyodo Printing Co., Ltd., Tokyo, JP;
Abstract
1. An ester copolymer resin having a general formula �I!. ##STR1## wherein Ar represents 2,6-naphthalene group or phenylene group, R represents ethylene group or 1,4-cyclohexylene group, and n is a number of 100 to 1000 and a polymer alloy having a solubility parameter of 10.8 to 11.9 consisting essentialy of the ester copolymer and a polycarbonate resin are provided. The ester resin and the alloy are transparent and has a beat resistance and a hot water resistance (resistance to whitening) resisting sterilization of food, a good heat sealability to aluminum closure, and recycling ability with PET resin.