Mixture of THP and a moderator to tan leather
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United States of America Patent
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Dec 7, 2004
Grant Date -
N/A
app pub date -
Feb 6, 2002
filing date -
Jun 18, 1999
priority date (Note) -
Expired
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Abstract
A mixture of THP and a moderator is used to tan leather. The moderator is selected from metaphosphates and polyhydroxy or polypyrolidyl compounds such as glycerol, carboxydrates PVA or PVP.
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