Patent ID: 7238771

Claim:
A polymer comprising one or more dibenzodiazocine units selected from the group consisting of: where R 1 –R 8 are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, halogen, —CN, —CHO, —COR a , —CR a ═NR b , —OR a , —SR a , —SO 2 R a , —POR a R b , —PO 3 R a , —OCOR a , —CO 2 R a , —NR a R b , —N═CR a R b , —NR a COR b , —CONR a R b in which R a and R b are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, and substituted heteroaryl and two or more of R 1 –R 8 , R a , and R b may or may not be linked to form a ring structure.