EPOXIDE-BASED TANNAGE SYSTEM
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United States of America Patent
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Issued Date -
Dec 10, 2009
app pub date -
Mar 26, 2007
filing date -
Mar 27, 2006
priority date (Note) -
Abandoned
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Abstract
Leather is prepared by tanning animal skins with a poly(glycidylamine) such as trigycidyl isocyanurate. After retannage with vegetable tannins, it is possible to obtain both a mineral-free and aldehyde-free white leather having Ts >85° C. and suitable for automotive internal trim and a mineral-free and aldehyde-free high thermal stable organic leather having Ts >100° C. and suitable for shoe production.
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