Process for the treatment of wool skins

Details Process for the treatment of wool skins Process for the treatment of wool skins

1992-01-14

1994-04-05

McAvoy, Ellen M.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Fur

8 9418, 8 9419R, 8 9421, 8 9422, 81281, C14C 100

Patent

active

053001214

ABSTRACT:
A method of tanning an animal skin with wool or hair attached thereto wherein the animal skin is pickled in an acidic solution and thereafter tanned in a solution containing at least one tanning agent characterised in that the animal skin is picked and tanned while a holding agent is present on the wool or hairs and is thereafter scoured so to remove the holding agent.

REFERENCES:
patent: 4217104 (1980-08-01), Graf
Derwant Abstract Accession No. 85-315318-50 May 1985.
Derwant Abstract Accession No. 30263 D-17 (Aug. 1980).
Derwant Abstract Accession No. 70859C-40 (Feb. 1980).
Encyclopedia of Chemical Technology, 3rd Edition, vol. 14, p. 220, lines 12-13, Kirk-Othmer (1981).
Derwant Abstract No. 92243B-51 (Mar. 1979).
Derwant Abstract Accession No. 86001Y-48 (Apr. 1977).
Derwant Abstract Accession No. 84193960-31 (Nov. 1983).
Derwant Soviet Inventions Illustrated, Apr. 1972 (SUA312872).
Derwant Soviet Inventions Illustrated, Sep. 1966 (SUA208175).
C. Bird, in The Theory and Practice of Wool Dyeing, Society of Dyers and Colorists, Chapter 3 at p. 46 (1972).
J. Ward, Tannage of Medical Sheepskins, LIRI Research Bulletin No. 718, at p. 1 (1976).
P. Briggs, Gloving, Clothing and Special Leathers, Tropical Products Institute, Chapter 5, at p. 67 (1981).
C. Cole, Proceedings of a Seminar: Leather Technology, Federated Tanners Association of Australia, Sydney, at p. 1 (1983).
C. M. White and C. C. Wilcock, Dyeing with Coal-Tar Dyestuffs; Bailliere, Tindall and Cox; 1952; p. 139.
H. Kaplan, Furskin Processing, Permagon Press, p. 213 (1971).
P. S. Briggs, Wool Sheepskins, Tropical Products Institute, Chapter 5, pp. 68-69 (1981).

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