Verfahren zur Herstellung von Phthalocyanin-Verbindungen

摘要

1,268,574. X-form phthalocyanines. XEROX CORP. 4 Aug., 1970 [4 Aug., 1969 (2)], No. 37540/70. Addition to 1,268,422. Heading C4P. In a modification of the parent Specification X-form metal and metal free phthalocyanines are prepared by sublimating an α- or #-phthalocyanine at a pressure of 10-1 to 40 Torr.