2,9-dichloroquinacridone in platelet form

Details 2,9-dichloroquinacridone in platelet form 2,9-dichloroquinacridone in platelet form

1990-07-13

1992-01-28

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

106497, C09B 4800

Patent

active

050845730

ABSTRACT:
2,9-Dichloroquinacridone in platelet form having a length of 1-45 .mu.m, a width of 0.1-20 .mu.m and a thickness of 0.05-5 .mu.m; a process for the preparation thereof comprising conversion of the crude material in a polar solvent in the presence of a long chain thiol compound and a base; and the pigmentary use of said platelets.

REFERENCES:
patent: 4272298 (1981-06-01), Babler
patent: 4298398 (1981-11-01), Fitzgerald
patent: 4541872 (1985-09-01), Jaffe
patent: 4632704 (1986-12-01), Babler
patent: 4801702 (1989-01-01), Babler

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