Water-soluble cationic oligourethane resins and the use thereof

Details Water-soluble cationic oligourethane resins and the use thereof Water-soluble cationic oligourethane resins and the use thereof

1978-08-18

1980-02-05

Welsh, Maurice J.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

260 292TN, 521158, 528 44, 528 48, C03G 1830

Patent

active

041870743

ABSTRACT:
This invention relates to water-soluble, cationic hydrophilic oligourethanes free from isocyanate groups and containing methylol groups and to the use thereof for the tanning, pre-tanning or re-tanning of pelts or pre-tanned leather and as dyeing auxiliaries.

REFERENCES:
patent: 3480592 (1969-11-01), Dieterich et al.
patent: 3535274 (1970-10-01), Dieterich et al.
patent: 4106897 (1978-08-01), Traubel et al.

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