Title:
A METHOD FOR TREATING HIDES
Document Type and Number:
WIPO Patent Application WO/2011/158096
Kind Code:
A3
Abstract:
A method for treating hides (100), comprising an unhairing stage in which the hides (100) are immersed for a period in an unhairing bath, and a subsequent liming stage in which the hides (100) are immersed for a period in a liming bath, the unhairing bath comprising at least a quantity of water, a quantity of at least a reducing agent and a quantity of at least a base substance, the liming bath being obtained by adding to the unhairing bath a quantity of liming liquor which has been recovered from a previous liming stage, and a further quantity of water.
Inventors:
COGOLO RINALDO (IT)
Application Number:
PCT/IB2011/001337
Publication Date:
February 16, 2012
Filing Date:
June 08, 2011
Export Citation:
Assignee:
COGOLO RINALDO (IT)
International Classes:
C14C1/06
Foreign References:
| US20020173260A1 | 2002-11-21 | |||
| US20070143930A1 | 2007-06-28 |
Other References:
DATABASE WPI Week 200914, Derwent World Patents Index; AN 2009-B26334, XP002615424
Attorney, Agent or Firm:
CORRADINI, Corrado et al. (Reggio Emilia, Reggio Emilia, IT)
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