Composition with fatty acid derivatives and use in industrial processes

Fatty acid derivatives with controlled carbon and heteroatom ratios address polymerization, corrosion, and fouling issues in industrial processes, offering superior performance to traditional tall oil-based compositions.

WO2025231070A1 Publication Date: 2025-11-06ECOLAB USA INC
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Patent Information

Application Number
PCT/US2025/026983
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-01
Filing Date
2025-04-30
Publication Date
2025-11-06

AI Technical Summary

Technical Problem

Industrial processes face challenges with polymerization, corrosion, and fouling of equipment due to the use of tall oil fatty acid derivatives, which are less effective and contain components that reduce antifoulant performance.

Method used

Compositions comprising fatty acid derivatives, such as amides and esters, with specific carbon and heteroatom ratios, are used to minimize unwanted polymerization, corrosion, and particulate settling, while eliminating tall oil-derived components, providing superior performance as antifoulants and dispersants.

Benefits of technology

The fatty acid derivatives effectively control polymerization, corrosion, and particulate settling, maintaining or exceeding the performance of traditional tall oil-based compositions, with improved stability and efficiency in industrial processes.

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Abstract

Disclosed are compositions including fatty acid derivatives and methods using the compositions as dispersants, antifoulants, or both. The compositions can be used to prevent or reduce polymer formation and polymer deposition in equipment used in petrochemical processes. The fatty acid derivative compositions are prepared from fatty acid preparations have low amounts of, or no, resin acids and glycerol, and also have low amounts of C16:0- and C18:0-fatty acids, and high total amounts of C18 partially unsaturated fatty acids, and / or the fatty acid derivative compositions are prepared from soy fatty acids and / or canola fatty acids. The fatty acid derivative can be used in compositions and methods to control unwanted polymerization, unwanted corrosion, and / or unwanted settling of particulate materials during industrial processes. Also, compositions of the disclosure have the additional benefit of prolonged storage stability.
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