Intellectual Property India Publishes Patent Application for A Process For Selective Nickel Recovery From Spent Catalysts Using Recyclable Choline Chloride-Sulfonic Acid Des

MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202641100672 A) filed by Minimines Cleantech Solutions Private Limited on August 20, 2026, for A Process For Selective Nickel Recovery From Spent Catalysts Using Recyclable Choline Chloride-Sulfonic Acid Des.

Inventors include Anupam Kumar; and Arvind Bhardwaj.

The application for the patent was published on August 28, 2026, under issue no. 35/2026.

Abstract: A PROCESS FOR SELECTIVE NICKEL RECOVERY FROM SPENT CATALYSTS USING RECYCLABLE CHOLINE CHLORIDE-SULFONIC ACID DES The invention relates to hydrometallurgical recovery of nickel from spent nickel catalysts. A spent catalyst containing nickel sulphide, nickel oxide, alumina, sulphur-bearing specie...