| 摘要 |
1,175,030. Water-insoluble monoazo dyes. MARTIN MARIETTA CORP. 22 Aug., 1968 [1 Sept., 1967], No. 40283/68. Heading C4P. The invention comprises compounds of the formula wherein X is Cl, Br or CH 3 . They may be obtained by diazotization and coupling the appropriate components. Examples are given for the preparation of the compounds. They are useful for dyeing linear polyesters, polyamides, secondary cellulose acetate and polystyrene. |
