Dendrites are highly branched polymers with many branches from a central core.  (RDC 10/13/2010)

Polyimides   

Recent US Patents

8/10/2010
7,771,521
Hyperbranched polyimide-based hybrid material

Yamada and Suzuki of the Nagoya Institute of Technology, Japan has developed a hyperbranched polyimide by reacting polyamic acid having a hydroxyl group or an alkoxy end groups with an alkoxide.