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IN293888: A zero emission chrome training process for leather making

The invention provides a process that eliminates total usage of sodium chloride and mineral acids for pickling and ensures total utilization of tanning material through suitable process interventions for recycling without resulting in emission or discharge of process chemicals or used liquor.
Filing Date:
10-05-2011
Issue Date:
06-03-2018
Applicant:
CSIR-Central Leather Research Institute (CSIR-CLRI), Chennai
Patent No:
IN293888
Application No:
1356DEL2011
Inventor(s):
Victor John Sundar, Chellappa Muralidharan
IPC Classification:
C07D
Country:
India
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