| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter excellent in optical characteristics and weather resistance. ! SOLUTION: The filter contains at least one phthalocyanine compound represented by the general formula (1), where M represents two hydrogen atoms, two monovalent metal atoms, a divalent metal atom, a trivalent substituted metal atom, a tetravalent substituted metal atom, or an oxide metal atom. ! COPYRIGHT: (C)2015,JPO&INPIT |
