Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-06-22
1989-01-31
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524567, C08K 534, C08L 2706
Patent
active
048016349
ABSTRACT:
Pigmentary copper phthalocyanine is prepared by converting crude copper phthalocyanine by methods known per se in the presence of trichlorophenoxy copper phthalocyanine. The resulting pigment is heat resistant and solvent resistant.
REFERENCES:
patent: 3984433 (1976-10-01), Spietschka
patent: 4141904 (1979-02-01), Cabut
patent: 4171309 (1979-10-01), Wheeler
Langley Robert
Stewart John D.
Walls Arthur S.
Bleutge John C.
Buttner David
Ciba-Geigy Corporation
Hall Luther A. R.
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