MUMBAI, India, Sept. 7 -- Intellectual Property India has published a patent application (202617085554 A) filed by Mexichem Fluor, Inc on July 13, 2026, for Fluorosilicate-Polyamine Complexes For Producing Hf.
Inventors include Cardenas-Daw, Carlos; Rodriguez, Paloma; Gutierrez L. , Luis; Martinez, Rosa; Garcia Martinez, Gabriel; Martnez-Costa, Ivan; and Olmedo-Gonzlez, Jorge.
The application for the patent was published on September 04, 2026, under issue no. 36/2026.
Abstract: A method to make HF including the steps of mixing a first solution of hexafluorosilicic acid a second solution of a polyamine wherein an FSA-PA complex is formed, and degrading at least a portion of the FSA-PA complex to yield HF.
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