Auxiliary for liming and loosening hairs of animal skins
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United States of America Patent
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Feb 10, 2004
Grant Date -
N/A
app pub date -
Mar 12, 2001
filing date -
Jul 20, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns an auxiliary for liming and loosening hairs of animal skins, containing, in aqueous solution: 10 to 50 wt. % of a polysaccharide solution; 5 to 25 wt. % of a mercapto-carboxylic acid or one of its salts; and 1 to 10 wt. % of a mercapto-alcohol or one of its alkaline salts. Said auxiliary is added during liming of animal skins, to the solution generally containing alkalis, inorganic sulphides or hydrosulphides and anionic or non-ionic surfactants, for standard production of sweatbands.
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