Patent ID: 6740685
Filing Date: 2004-05-25
Classification: C07C,C08G,C08L,H01L,H05K

Abstract:
A composition comprising:(a) thermosetting component comprising: (1) optionally monomer of Formula I â€ƒand (2) at least one oligomer or polymer of Formula II â€ƒwhere said E is a cage compound; each of said Q is the same or different and selected from aryl, branched aryl, and substituted aryl wherein said substituents include hydrogen, halogen, alkyl, aryl, substituted aryl, heteroaryl, aryl ether, alkenyl, alkynyl, alkoxyl, hydroxyalkyl, hydroyaryl, hydroxyalkenyl, hydroxyalkynyl, hydroxyl, or carbonyl; said G is aryl or substituted aryl where substituents include halogen and alkyl; said h is from 0 to 10; said i is from 0 to 10; said j is from 0 to 10; and said w is 0 or 1; (b) porogen that bonds to said thermosetting component (a).