Werner K Baumann

US Patent:

48208060, Apr 11, 1989

Filed:

Feb 28, 1986

Appl. No.:

6/847405

Inventors:

Werner Baumann - Charlotte NC
Joseph V. Diest - Binningen, CH
Herbert Eichenberger - Kaiseraugst, CH
Max Oppliger - Allschwil, CH

Assignee:

Sandoz, Ltd. - Basle

International Classification:

C09B 62507
C09B 6251
C09B 62513
C09B 62515

US Classification:

534605

Abstract:

Metal-free monoazo and disazo compounds of the formula CH. sub. 2. dbd. CH--SO. sub. 2 --W. sub. 1 --D--N. dbd. N--K--(W. sub. 2 --Z). sub. n, 1:1 and 1:2 metal complexes of such metallizable metal-free compounds and acid addition salts of such metal-free compounds and 1:1 and 1:2 metal complexes, wherein D is the radical of a diazo component of the benzene, naphthalene or tetrahydronaphthalene series, K is the radical of a coupling component of the benzene, naphthalene, pyrazol-5-one, pyridine, pyridone, barbituric acid, quinoline, isoquinoline, benzeneazobenzene, benzeneazonaphthalene, naphthaleneazobenzene, naphthaleneazonaphthalene, tetrahydronaphthaleneazobenzene, tetrahydronaphthaleneazonaphthalene or acetoacetamide series, W. sub. 1 is a direct bond or a divalent bridging radical, each W. sub. 2 is independently a divalent bridging radical, each Z is independently a water-solubilizing protonatable amino group, a quaternary ammonium group, a hydrazinium group or a ternary sulfonium group, and n is 1, 2, 3 or 4, are useful for dyeing and printing fibers, threads and textile materials, particularly those containing or consisting of natural or synthetic polyamide, cotton, polyacrylonitrile, leather or fiber blends such as cotton-polyester, polyester-wool and polyacrylonitrile-wool.