Patent ID: 9410055
Filing Date: 2016-08-09
CPC Classification: C08G,C09D,H01B

Claim Text:
1. A polybenzoxazole resin comprising a repeating unit represented by the following general formula (1): wherein R 1 is a tetravalent aromatic group; N atoms and O atoms which are bonded to R 1 are present in the form of pairs each consisting of an N atom and an O atom such that the N atom and the 0 atom in each pair are respectively bonded to adjacent two carbon atoms constituting the same aromatic ring in R 1 ; R 2 is an alkanediyl group having 2 to 6 carbon atoms and benzene rings on each side adjacent R 2 are distanced from each other by at least 2 carbon atoms of R 2 ; and n is an integer of 2 to 10000.