04199509 is referenced by 3 patents and cites 8 patents.

Copper phthalocyanine derivatives of the formula ##STR1## or mixtures thereof wherein CuPc is optionally substituted copper phthalocyanine, n is a value from 1 to 4, X is hydrogen, 1-4 C alkyl, 1-4 C alkoxy or halogen, and R is linear or branched alkyl of 1 to 22 C-atoms which may be substituted with one or more alkoxy, dialkylamino or alkylthio, the alkyls having 1 to 22 C-atoms, or arylalkyl, the alkyl having 1 to 4 C-atoms and the aryl being optionally substituted by one or more non-water solubilizing groups, which incorporated into a phthalocyanine pigment, provide excellent flocculation resistance in paint and printing ink media.

Title
Copper phthalocyanine derivatives
Application Number
5/855500
Publication Number
4199509
Application Date
November 28, 1977
Publication Date
April 22, 1980
Inventor
John B Blackburn
Beith
GB
Alexander M Irvine
Dean Park
GB
Agent
Joseph F DiPrima
Assignee
Ciba Geigy Corporation
NY, US
IPC
C09B 47/04
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