Method for marking defects in leather

Details Method for marking defects in leather Method for marking defects in leather

1984-01-12

1985-10-22

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8436, 427157, 427158, C14C 500

Patent

active

045486093

ABSTRACT:
Disclosed is a method for marking mineral tanned leather by treating the unfinished leather with an anionic aqueous dispersion of a fluorescent pigment. The marked leather can then be sorted by exposure to UV-radiation.

REFERENCES:
patent: 2848348 (1958-08-01), McCafferty
patent: 2856311 (1958-10-01), Siegrist et al.
patent: 2876130 (1959-03-01), Ciaccio
patent: 3242177 (1966-03-01), Schellhammer et al.
patent: 3849163 (1974-11-01), Siegrist et al.

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