Patent ID: 6559277
Filing Date: 2003-05-06
Classification: C07C,C08G,C09K,Y10S

Abstract:
A soluble poly(bis-9,9â€²-fluorene) comprising identical or different structural repeating units of the formula I, wherethe two R1s are, independently of one another, H, C1-C18alkyl, C6-C14aryl, C7-C15aralkyl, C1-C18alkoxy, R2â€”(Oâ€”CnH2n)mâ€”Oâ€”, C1-C16alkylthio, C1-C18dialkylamino, â€”C(O)OH, â€”C(O)Oâ€”C1-C18alkyl, â€”C(O)â€”N(C1-C18 alkyl)2, â€”SO3H â€”SO3â€”C1-C18alkyl, â€”SO2â€”N(C1-C18alkyl)2, C1-C17-alkyl-C(O)â€”Oâ€” or C1-C17alkyl-C(O)â€”, R2 is H or C1-C12alkyl, n is from 2 to 6 and m is from 1 to 12, and, if desired, identical or different structural units of the formulae where R1 is as defined above.