Compositions – Fluent dielectric – N-containing
Patent
1993-02-01
1994-01-18
Lieberman, Paul
Compositions
Fluent dielectric
N-containing
252 891, 252 95, 252 96, 252 99, 252102, 252559, 8648, C11D 183, C11D 340, C11D 342
Patent
active
052797724
ABSTRACT:
The present patent application describes novel liquid detergent compositions containing specifically disulfonated dibenzofuranylbiphenyls of the formula ##STR1## in which X is a sulfonic acid radical, hydrogen or C.sub.1 -C.sub.4 alkyl and Y and Z independently of the other are a sulfonic acid radical, hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogeno, CN, phenoxy or benzyloxy, with the proviso that either X or Y or Z is a sulfonic acid radical and the remaining substituents are not a sulfonic acid radical, and the preparation and use thereof; these detergent compositions prevent spotting on textile fabric when it comes into direct contact with the liquid detergent composition.
REFERENCES:
patent: 3859350 (1975-01-01), Sahm et al.
patent: 3940340 (1976-02-01), Bucking et al.
patent: 4002423 (1977-01-01), Sahm et al.
patent: 4559169 (1985-12-01), Wevers et al.
patent: 4670882 (1987-06-01), Telle et al.
Eckhardt Claude
Weber Kurt
Ciba-Geigy Corporation
Dohmann George R.
Lieberman Paul
Mathias Marla J.
Tierney Michael P.
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