JGC. has filed a patent for a method of producing a dispersion of irregularly shaped silica-based fine particles. The process involves adjusting the ionic strength and SiO2 concentration of the seed particle precursor dispersion through various steps, ultimately resulting in the desired dispersion. GlobalData’s report on JGC gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on JGC, Ammonia synthesis catalysts was a key innovation area identified from patents. JGC's grant share as of January 2024 was 27%. Grant share is based on the ratio of number of grants to total number of patents.
Method of producing irregularly shaped silica-based fine particles
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A patent application (Publication Number: US20240002712A1) describes a method for producing a dispersion of irregularly shaped silica-based fine particles. The method involves several steps, including adjusting the SiO2 concentration and ionic strength of a seed particle precursor dispersion, subjecting it to heat-aging, and adding an acidic silicic acid solution to obtain the final dispersion of irregularly shaped silica-based fine particles. The resulting particles have specific characteristics, such as an average degree of shape irregularity, particle size distribution, and steric structure ratio. The method also excludes the use of alkali halides in the process, utilizing alkali adjusters like sodium hydroxide or potassium hydroxide instead.
Furthermore, the patent application includes claims related to a dispersion of particle-linked type silica fine particles, detailing requirements for particle size, steric structure, linked number of primary silica fine particles, and elemental composition. The method for producing these particle-linked type silica fine particles involves steps such as pH adjustment, heat treatment, and addition of acidic silicic acid solution. The resulting dispersion is designed to exhibit specific characteristics when subjected to cation colloidal titration, providing a streaming potential curve within a defined range. Additionally, the patent application covers the use of the dispersion of particle-linked type silica fine particles in abrasive grains, highlighting its potential applications in various industries.
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