Soaking method
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United States of America Patent
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Jul 14, 1981
Grant Date -
N/A
app pub date -
Jul 11, 1980
filing date -
Jul 23, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
What is disclosed is a method for soaking skins or hides which comprises soaking said skins or hides in an acid bath containing at least one compound selected from the group of compounds having one of the formulas R--SH and ##STR1## wherein R is alkyl having 2 to 3 carbon atoms, alkyl having 2 or 3 carbon atoms mono-substituted with a thiol or OH group, or R is --(CH.sub.2).sub.n --(CHR.sub.1)--COOH wherein R.sub.1 is hydrogen or alkyl having 1 to 6 carbon atoms or is an amino group and n is an integer from 0 to 6, or R is R.sub.2 CO wherein R.sub.2 is alkyl having 1 to 6 carbon atoms or phenyl, and wherein R' is hydrogen, alkyl having 1 to 6 carbon atoms, or amino.
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