USE OF CHROMIUM COMPLEX IN THE LEATHER INDUSTRY
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Sep 8, 2008
filing date -
Dec 25, 2007
priority date (Note) -
Abandoned
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Abstract
This invention is related to the manufacturing process of the modified chromium sulphate used in the tanning process of the animal hides, and chromium tanning process performed by using the said chemical.As a result of the reaction of the chromium salts mentioned in the invention with mono and dicarboxyllic acids or salts of these acids, characteristics of the chromium salts change; thereby the invention provides benefits such as the elimination of the pickling and the basification process, minimization of the waste treatment burden and acceleration of the said processes in the tannery.
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