专利号:US-8206502-B2 优先权日:2008-12-15 标 题 :Titanyl phthalocyanine with improved milling properties 发明人:GRUENBAUM WILLIAM T 权利人:GRUENBAUM WILLIAM T; EASTMAN KODAK CO 摘要:The invention is directed to mixtures of PcTiO and a minor amount of another, substituted titanyl phthalocyanine and the synthesis of mixtures of PcTiO and a minor amount of another, substituted titanyl phthalocyanine. The invention is further directed towards milled pigment compositions of such mixtures, and to use of such milled pigment compositions in an electrophotographic element.
专利号:CN-1687034-A 优先权日:2005-03-31 标 题:Synthesis method of 4-phthalimide methyl phthalonitrile