Polythiophenes of the formula ##STR1##

wherein R and R are side chains; A is a divalent linkage; x and y represent the number of unsubstituted thienylene units; z represents the number of groups, and wherein the sum of x and y represents the number of groups; m represents the number of segments; and n represents the degree of polymerization.

 
Web www.patentalert.com

< Vehicle fueling arrangement

< Label to be attached on a plastic product formed in a mold and identifiable by a detecting device

> Cordless identification security system and method

> Modular school computer system and method

~ 00235