MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202522134474 A) filed by Arvind Limited on December 31, 2025, for Dyeing Composition, Process For Its Preparation, Indigo Dyeing Of Leather And Indigo Dyed Leather.
Inventors include Kuldeep Singh; and Vipul Mahadevia.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: ABSTRACT DYEING COMPOSITION, PROCESS FOR ITS PREPARATION, INDIGO DYEING OF LEATHER AND INDIGO DYED LEATHER The present disclosure relates to a dyeing composition and a process of its preparation. Further, the present disclosure relates to a process for indigo dyeing of leather and indigo dyed leather articles obtained therefrom. The dyeing composition of the present disclosure can provide a wide range of blue shades to the leather and a unique depth, tone and shade of blue color on leather. The process of the present disclosure is easy to perform and does not require a large space for operation. The process requires minimal manpower. The indigo dyed leather obtained from the process of the present disclosure ages better as compared to the conventional dyed leathers.
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