| 摘要 |
1,145,257. Preparation of copper phthalocyanine. BADISCHE ANILIN- & SODAFABRIK A.G. 28 July, 1967 [30 July, 1966], No. 34730/67. Addition to 1,145,266. Heading C4P. In a patent of addition to Specification 1,145,256 for the preparation of copper phthalocyanine using a phthalodinitrile, a copper salt, an inert solvent, a nitrogen base and as a catalyst a compound of an element having an atomic number of 22, 23, 24, 26, 27, 28, 30, 32, 33, 34, 40, 41 or 42, the reaction is carried out at temperatures above 220‹ C. |
