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:
Jul. 31, 1984
Filed:
Dec. 04, 1981
Applicant:
Inventors:
Sumitaka Nogami, Yokohama, JP;
Tsuneo Wakabayashi, Ise, JP;
Eiichi Oono, Kawasaki, JP;
Yoshiharu Kitahama, Kawasaki, JP;
Isamu Iwami, Zushi, JP;
Assignee:
Asahi-Dow Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528190 ; 528125 ; 528126 ; 528128 ; 528179 ; 528183 ; 528220 ; 528222 ; 528223 ; 528298 ;
Abstract
A condensation polymer having a .eta.sp/C=0.1-1.5, containing an anthracene unit in the main chain of the polymer, which is found to have various functions of ultraviolet absorption, fluorescence emission, photoconductivity, organic semiconductor characteristics, etc. as well as excellent flexibility and mechanical strength, is prepared by condensation of an anthracenediol compound with a dicarboxylic acid dihalide or a hydrocarbylene dihalide.