Ecofriendly bio-process for leather processing
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United States of America Patent
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Mar 23, 2004
Grant Date -
N/A
app pub date -
Nov 19, 2002
filing date -
Oct 30, 2002
priority date (Note) -
Expired
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Abstract
The present invention relates to an eco-friendly beam house process for de-hairing of leather using commercially available enzymes that obviates the use of lime and other alkalis. The present invention also provides an alternate process for opening the fibers of leather using commercially available enzymes. The present invention further provides a three-step process for tanning hide or skin in a narrow pH range of from about 7.5 to about 8.5.
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