Oil and Natural Gas has patented a cerium-based catalyst composition that enhances liquefied petroleum gas (LPG) combustion. The composition includes a cerium(IV) complex, either alone or with a cerium(III) complex, leading to improved flame temperatures, faster heating, and reduced fuel consumption. GlobalData’s report on Oil and Natural Gas gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Oil and Natural Gas, was a key innovation area identified from patents. Oil and Natural Gas's grant share as of June 2024 was 27%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12037554B2 presents a novel homogeneous catalyst composition aimed at enhancing the combustion efficiency of liquefied petroleum gas (LPG). The composition primarily consists of a cerium(IV) complex, specifically aqua(2-N-(2-hydroxyethylimino)-4-pentanoate)dinitrocerium(IV), and may also include a cerium(III) complex, cerium(III) 2-ethylhexanoate. The claims detail the proportions of these complexes, indicating that the cerium(III) complex can constitute 33-100 wt. % and the cerium(IV) complex can range from 25-100 wt. % of the total catalyst composition. Additionally, the cerium(III) complex is specified to be present in concentrations of 1.5-15 ppm, while the cerium(IV) complex can range from 0.8-10 ppm within the LPG composition.
The patent further outlines a process for synthesizing the catalyst composition, which involves several chemical reactions, including the synthesis of 2-N-(2-hydroxyethylimino)-4-pentanone and subsequent reactions to form the cerium complexes. The final preparation step involves mixing these complexes in a hexane solution before adding them to LPG in a compressed gas cylinder. The catalyst composition is noted to potentially increase the flame temperature of LPG by up to 10% and can be present in concentrations ranging from 2.5-20 ppm in the LPG fuel. The claims also specify an optimal weight ratio of cerium(III) to cerium(IV) complexes at 2:1, contributing to the overall effectiveness of the catalyst in improving LPG combustion.
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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.
