MUMBAI, India, Oct. 24 -- Intellectual Property India has published a patent application (202017049722 A) filed by Clariant International Ltd., Muttenz, Switzerland, on Nov. 13, 2020, for 'use of polyols for improving a process for reverse froth flotation of iron ore.'

Inventor(s) include Krull, Matthias; Da Silva, Wagner Claudio; Rhodes, Valdilene; and Bicalho, Leandro.

The application for the patent was published on Oct. 24, under issue no. 43/2025.

According to the abstract released by the Intellectual Property India: "Collector and process for reverse froth flotation of iron ore. This invention relates to use of a water-miscible polyhydric alcohol having two or three hydroxyl groups for improving the collector performance of a collector composition for the reverse iron ore flotation comprising at least one alkyl ether amine of formula (I) and/or alkyl ether diamine of formula (II) R1-(0-A)-NH2 (I) R2-(0-A)-NH-R3-NH2 (II) wherein R1 is a hydrocarbyl group with 6 to 24 carbon atoms, R2 is a hydrocarbyl group with 6 to 24 carbon atoms, R3 is an aliphatic hydrocarbyl group with 2 to 4 carbon atoms A is an alkylene group with 2 to 6 carbon atoms."

The patent application was internationally filed on June 05, 2019, under International application No.PCT/EP2019/064701.

Disclaimer: Curated by HT Syndication.