Leather tanning process using aluminium (III) and titanium (IV)

Details Leather tanning process using aluminium (III) and titanium (IV) Leather tanning process using aluminium (III) and titanium (IV)

1987-10-13

1990-06-26

Lieberman, Paul

Compositions

Leather or fur treating

8 9421, 8 9426, 8 9427, 8 9419R, C14C 900

Patent

active

049370090

ABSTRACT:
In a leather tanning process, animal skins are treated with a tanning agent comprising an aluminium (III)/titanium (IV) mixed complex with a salt of a polyhydroxymonocarboxylic acid as a masking compound. The masking compound preferably has the general formula:

REFERENCES:
patent: 1941485 (1934-01-01), Pasternack et al.
patent: 4312632 (1982-01-01), Torrini
patent: 4354940 (1982-10-01), Suhac et al.
patent: 4560384 (1985-12-01), Vanni et al.
patent: 4731089 (1988-03-01), Covington
6001 Chem. Abstracts 100:53496f.
6001 Chem. Abstracts 100:141162z.
Sykes and Covington--Article "Developments in Aluminum Tannage" also abstracted in CA 100:53496f.

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