the new pyrazoloniques pigments, process of preparation and their use for pigment has high molecular weight organic matter

摘要

1275488 Coated aluminium foil CIBA-GEIGY AG 27 Aug 1970 [2 Sept 1969] 41293/70 Heading B2E [Also in Divisions C2 C3 and C4] In Example 5 an alkyd-melamine stoving lacquer coloured by a pyrazolone pigment (of Example 1) is coated onto aluminium foil and stoved at 120‹C for 1 hour to give a brownish red coating.