Patents

IN271546: A novel compositions for chrome tanning of hides/skins

The invention provides a novel composition for chrome tanning of hides and/or skins thereby avoiding the conventional pickling operation and generation of large amounts of TDS in the waste water. In the process of the invention the delimed hides and skins are treated with the claimed composition without affecting the tanning potency of the tanning salt followed by subsequent pH adjustment of the hides and skins with water only thereby eliminating the pickling operation and use of alkali for basification.

Filing Date: 08-09-2008

Issue Date: 25-02-2016

Applicant: CSIR-Central Leather Research Institute (CSIR-CLRI), Chennai

Patent No: IN271546

Application No: 2108DEL2008

Inventor(s): Victor John Sundar, Thirumalaisamy Rangasamy, Chellapa Muralidharan

IPC Classification: C14C

Indian Classification: FI03

Country: India

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