Patent number: 8133656
Abstract: An oxime ester compound represented by general formula (I): wherein R1 and R2 each independently represent R11, OR11, COR11, SR11, CONR12R13, or CN; R11, R12, and R13 each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or a heterocyclic group having 2 to 20 carbon atoms, R3 and R4 each independently represent R11, OR11, SR11, COR11, CONR12R13, NR12COR11, OCOR11, COOR11, SCOR11, OCSR11, COSR11, CSOR11, CN, a halogen atom, or a hydroxyl group; a and b each independently represent 0 to 4; X represents an oxygen atom, a sulfur atom, a selenium atom, CR31R32, CO, NR33, or PR34; R31, R32, R33, and R34 each independently represent R11, OR11, COR11, SR11, CONR12R13, or CN.
Type:
Grant
Filed:
December 21, 2007
Date of Patent:
March 13, 2012
Assignee:
Adeka Corporation
Inventors:
Daisuke Sawamoto, Koichi Kimijima