Process for the preparation of easily dispersible...

Details Process for the preparation of easily dispersible... Process for the preparation of easily dispersible...

C - Chemistry, Metallurgy

09

B

241/136, 6/198

C09B 67/00 (2006.01) C09B 47/04 (2006.01) C09B 47/08 (2006.01) C09B 67/22 (2006.01)

Patent

CA 1073880

Abstract of the disclosure: Copper phthalocyanines (CuPc) of the .beta.-modification are obtained in a easily dispersible form of high stability to flocculation and of high tinctorial strength when highly pure CuPc of the .beta.-modification is subjected to a mechanical fine distribution together with a compound of the formula Pc - Am wherein Pc is a phthalocyanine radical, A is a carboxy or sulfo group or a functional derivative of said groups or an aminomethylene group and ? is 1 to 6.

233796

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