Patent ID: 7521496
Filing Date: 2009-04-21
Classification: C07F,C08G,C09K,D01F,D06M

Abstract:
1. A compound represented by the following formula (I): wherein, in formula (I), R 1 , R 2 , R 3 and R4 are identical to or different from each other, and are: a C a C a C R and form the following cyclic structure A together with the oxygen atoms and the phosphorus atom; (in cyclic structure A, —R 1 —R 2 — is the alkylene group); or R and form the following cyclic structure B together with the oxygen atoms and the phosphorus atom; (in cyclic structure B, —R 3 —R 4 — is the alkylene group); wherein: the compound indispensably has at least one of cyclic structure A and cyclic structure B; and R 20 is a linking group having formula 67: (in formula 67, R and a total number of carbons of R 6 and R 7 is 0 to 12).