Economy and plumping chrome tanning
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United States of America Patent
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Mar 26, 1996
Grant Date -
N/A
app pub date -
Aug 12, 1993
filing date -
Aug 14, 1992
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for economy and plumping chrome tanning by admixing the pelts in the pickle bath with an aldehyde- and/or keto-carboxylic acid and then tanning, which comprises, prior to the addition of the aldehyde- and/or keto-carboxylic acid with or without other organic and/or inorganic acids, pretreating the delimed and bated pelts with an anionic, colloidal silicate solution.
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