Bisimidazolium salts

Details Bisimidazolium salts Bisimidazolium salts

1985-11-04

1987-08-04

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

8573, 548336, C07D23361, C07D23372

Patent

active

046847367

ABSTRACT:
The invention relates to bisimidazolium salts whose imidazole moieties are linked to each other through a bridge in the 1-position and which contain, in the 3-position, fibre-reactive groups formed by the addition of epihalohydrin.
These bisimidazolium salts are particularly suitable for improving the yield and wetfastness properties of dyeings or prints which are produced on cellulosic fabrics with anionic dyes, for example with reactive or direct dyes.

REFERENCES:
patent: 2043164 (1936-06-01), Granacher
patent: 3435049 (1969-03-01), Hoffer
patent: 3853907 (1974-12-01), Edwards
patent: 3991202 (1976-11-01), Janssen et al.
patent: 4035145 (1977-07-01), Gipp et al.
patent: 4468228 (1984-08-01), Dvorsky et al.
patent: 4499282 (1985-02-01), Dvorsky et al.

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