Process for treating animal skins
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United States of America Patent
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Nov 13, 2012
Grant Date -
Dec 3, 2009
app pub date -
Jun 4, 2009
filing date -
Dec 17, 2003
priority date (Note) -
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Abstract
The present invention pertains to a process for decreasing and/or drying skins which comprises contacting the skins to be degreased and/or dried with one or more extractor solvents which are able to dissolve both fat and water. Preferably, the extractor solvent is selected from the group consisting of dimethyl ether (DME), methylal, dioxolane, diethyl ether, methyl ethyl ketone, ethanol, propanol, and isopropanol. Most preferably, the extractor solvent is DME.
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