Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1976-01-08
1977-11-08
Schofer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 21C, 8 22, 8 54, 8 542, 8 89R, 8 92, 8179, 25230121, 25230133, D06P 138
Patent
active
040573877
ABSTRACT:
Process for whitening textile fibres of polyesters or blended fibres of polyesters and cellulose or wool with dispers fluorescent whitening agents according to a combined exhaustion and thermo-fixing process, in the presence of auxiliaries e.g. esters in combination with water-soluble alkali metal salts or ampholytes which are capable of forming an aqueous two-phase system.
REFERENCES:
patent: 3347617 (1967-10-01), Ulrich et al.
patent: 3758460 (1973-09-01), Schroeder et al.
patent: 3784511 (1974-01-01), Kirby
Kackstaedter Klaus
Theidel Hans
Bayer Aktiengesellschaft
Clingman A. L.
Schofer Joseph L.
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