Acid monomethine-metal complex dyestuffs

Details Acid monomethine-metal complex dyestuffs Acid monomethine-metal complex dyestuffs

1979-10-19

1981-05-19

Demers, Arthur P.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

8917, 8924, 542451, 542452, 544 4, 544 64, 544181, 544225, 546 2, 546 10, 548108, C07F 1300, C07F 1504, C07F 1506

Patent

active

042686687

ABSTRACT:
An acid monomethine-metal complex dyestuff of the formula ##STR1## wherein M, Z, R, A, Y, n, a and b have the meaning given in the description.
The acid metal complex dyestuffs of the formula I are valuable dyestuffs which are outstandingly suitable for dyeing and printing wool, silk and especially synthetic polyamides, such as NYLON and PERLON, in very clear shades ranging from yellow to blue, and are distinguished by high tinctorial strength, good build-up capacity and affinity and very good fastness characteristics, especially fastness to light.

REFERENCES:
patent: 2407346 (1946-09-01), Rogers et al.
patent: 3897439 (1975-07-01), Frey
patent: 3927005 (1975-12-01), Harnisch
patent: 3959310 (1976-05-01), Brack et al.
patent: 4065462 (1977-12-01), Frey et al.
patent: 4097484 (1978-06-01), Zelewsky et al.

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