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. 03, 1993
Filed:
Dec. 27, 1991
Applicant:
Inventors:
Keiichi Kanaka, Shizuoka, JP;
Kenji Hijikata, Shizuoka, JP;
Assignee:
Polyplastics Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528272 ; 528176 ; 528271 ;
Abstract
Normally solid, melt-stable copolyester molding resins are formed of the polycondensation reaction product of(a) an aromatic dicarboxylic acid or an ester-forming derivative thereof, (b) an aliphatic dihydroxy compound which includes at least 35 mole % of of units derived from 1,4-cyclohexanedimethanol, and (c) a melt-stable effective amount between 0.1 to 35 mole %, based on the amount of the aromatic dicarboxylic acid, of an ester-forming diol compound of the following formula I: