Hindustan Petroleum has patented a corrosion inhibitor formulation containing quaternary ammonium salt, fatty acid methyl ester, viscosity reducing agent, and solubilizing agent. The weight ratio of quaternary ammonium salt to fatty acid methyl ester is crucial. GlobalData’s report on Hindustan Petroleum gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Corrosion inhibitor formulation with specific ingredients and weight ratios
A recently granted patent (Publication Number: US11905604B2) discloses a corrosion inhibitor formulation designed for use in oil and gas applications. The formulation comprises a combination of quaternary ammonium salt, fatty acid methyl ester, viscosity reducing agent, and solubilizing agent in specific weight percentages. The quaternary ammonium salt can be a combination of alkyldimethylbenzylammonium chloride and a compound selected from a specific group. The fatty acid methyl ester can be chosen from various options like soyabean methyl ester, sunflower oil, and more. The formulation is further enhanced with viscosity reducing agents like isopropanol and solubilizing agents such as acetic acid.
This corrosion inhibitor formulation is not only effective in inhibiting corrosion but also in removing hydrocarbonaceous deposits. It is suitable for preventing corrosion in various metallurgies like carbon steel, copper, brass, and more, commonly found in fuel storage tanks, vehicles' fuel tanks during transportation, and fuel distribution systems. The formulation demonstrates impressive corrosion prevention capabilities with a corrosion current density of less than 0.4 and an inhibition efficiency ranging from 94 to 96% for specific metallurgies. Operating within a temperature range of 0-100°C and a moisture range of 0-5%, this formulation proves to be a reliable solution for protecting metal surfaces against corrosion in challenging environments, making it a valuable asset in the oil and gas industry.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
