Method for removing horn substances from animal skin
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United States of America Patent
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Jul 31, 2007
Grant Date -
Feb 23, 2006
app pub date -
Oct 14, 2003
filing date -
Oct 21, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for removing horn substances from animal skin. The method is characterized in that animal skins are treated in an aqueous bath containing between 0.05 and 5 wt. %, in relation to the weight of the salt, of at least one compound of general formula I or the corresponding alkali metallic salts or alkaline-earth metallic salts thereof or ammonium or phosphonium salts. The aqueous bath also comprises at least one compound which catalyses the hydrolysis of peptide compounds ##STR00001##
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