METHOD OF METALLOPHTHALOCYANINE PREPARING Russian patent published in 1996 - IPC

Abstract RU 2065441 C1

FIELD: organometallic chemistry. SUBSTANCE: method involves preparing metal-phthalocyanine (Cu, Ni, Zn). Reagent 1: phthalic anhydride. Reagent 2: urea. Reagent 3: copper sulfate or copper-zinc or zinc-containing galvanic slime. Process conditions: melting of reagents 1, 2 and 3 at preliminary mass treatment with water at amount 10-30 wt.-%. To bind ammonia evolving at process synthesis exhausting gases were passed through bubbler with an aqueous suspension of phthalic anhydride at 20-60 C. EFFECT: improved method of synthesis. 3 tbl

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RU 2 065 441 C1

Authors

Moskalev P.N.

Sedov V.P.

Olejnik A.V.

Dates

1996-08-20—Published

1993-03-02—Filed