Lime-free and sulfide-free liming process

Details Lime-free and sulfide-free liming process Lime-free and sulfide-free liming process

1978-03-24

1980-10-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 9415, 8 9416, 8 9418, C14C 100, C14C 108

Patent

active

042291755

ABSTRACT:
A continuous liming process using sodium hydroxide solution and sodium sulfate and/or sodium salts of dicarboxylic acids, instead of conventional liming components.

REFERENCES:
patent: 2123832 (1938-07-01), Jaeger et al.
patent: 2266448 (1941-12-01), Trosken
patent: 2639967 (1953-05-01), Rudy
patent: 3254938 (1966-06-01), Rodriguez et al.
patent: 3429648 (1969-02-01), Langley
patent: 3751221 (1973-08-01), Elvrum
patent: 3799737 (1973-03-01), Elvrum
patent: 3920388 (1975-11-01), Weaver et al.
patent: 3997290 (1976-12-01), del Cueto

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