C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
6/27, 8/3, 400/5
C08J 3/20 (2006.01) C08K 5/23 (2006.01) C09B 33/153 (2006.01) C09B 67/10 (2006.01)
Patent
CA 1115881
Abstract of the Disclosure A process for pigmenting organic material of high molecular weight which comprises the use of a disazo compound of the formula Image whereln X represents a hydrogen or chlorlne atom, an alkyl or alkoxy group of 1 to 6 carbon atoms, a nltro or trifluoro- methyl group and A represents an alkyl group of 1 to 6 carbon atoms. The yellow to orange coloratlons obtained hnve good fastness to migration and unusually good fastness to hight and weathering.
285900
Cseh Georg
Hari Stefan
Roueche Armand
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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