Process for producing leather
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United States of America Patent
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N/A
Issued Date -
Dec 28, 2006
app pub date -
Jun 24, 2005
filing date -
Jun 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for producing leather generally including the steps of: (a) providing wet blue, full grain skins, (b) applying a degreasing and emulsifying agent to the skins, (d) neutralizing the skins to provide the skins with a pH level of in the range of about 5.7-6.2, (e) applying a waterproofing agent to the skins, (f) introducing the skins to a dye bath, (g) fixing the dyestuff and waterproofing agents in the skins without metal salt while reducing the pH level to about -3.2, (g) applying a water repellant and oil repellant agent to the skins in a fluorchemical process, (h) fixing the skins a second time without metal salt while moving the pH level to the range of 3.0-3.5, (i) introducing the skins to a bath containing an antimicrobial treatment and an antistatic treatment, (j) washing and drying the skins, and (k) staking and otherwise finishing the skins.
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