C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/50 (2006.01) C09B 67/00 (2006.01) C09B 67/04 (2006.01) C09B 67/08 (2006.01) C09B 67/12 (2006.01) C09B 67/16 (2006.01) C09B 67/18 (2006.01) C09D 7/00 (2006.01) C09D 11/02 (2006.01)
Patent
CA 2328735
The present invention provides a process for the production of pigmentary copper phthalocyanine in the beta crystalline phase comprising: a) dry or aqueous milling of crude copper phthalocyanine in combination with a natural or chemically modified resin and, optionally, a grinding auxiliary followed by; b) isolation of the milled mass followed by; c) conditioning treatment of the milled mass.
La présente invention concerne un procédé de production de bleu de phtalocyanine pigmentaire dans la phase cristalline béta. Le procédé consiste à: a) broyer à sec ou à l'état aqueux du bleu de phtalocyanine en combinaison avec une résine naturelle ou modifiée chimiquement et, accessoirement, un agent de mouture; b) isoler la masse broyée; et c) soumettre la masse broyée à un traitement de conditionnement.
Dykes Kenneth Grant
Healy Thomas
Keirs David
Mathers Richard Ernest
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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