BP has been granted a patent for a process to prepare a supported cobalt-containing Fischer-Tropsch synthesis catalyst. The method involves a single impregnation step with a cobalt compound and acetic acid, followed by drying and calcining, resulting in improved activity and selectivity for C5+ hydrocarbons. GlobalData’s report on BP 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 BP, Selective catalytic ammoxidation was a key innovation area identified from patents. BP's grant share as of June 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
The patent US12042786B2 outlines a novel process for preparing a supported cobalt-containing Fischer-Tropsch synthesis catalyst. The method involves a single impregnation step where an extrudate material, selected from silica, ceria, gallia, titania, magnesia, zinc oxide, or their mixtures, is treated with a cobalt-containing compound and either acetic acid or a manganese salt of acetic acid. This process ensures that the extrudate material has not been previously modified with any metal other than cobalt. The resulting catalyst features cobalt oxide crystallites with a particle size of less than 10 nm. The claims also specify that the extrudate can be in powder form with a median particle size of less than 50 µm or in granulate form with a median size of 300 to 600 µm.
Further details include the composition of the cobalt-containing compound, which can be in various forms such as nitrate, acetate, hydroxide, or acetylacetonate. The impregnation step can involve acetic acid in amounts ranging from 0.1 to 5 wt. % based on the dry weight of the extrudate. The catalyst may contain 5 to 20 wt. % cobalt and can include additional promoters, dispersion aids, and binders introduced during the impregnation. The calcination process occurs at temperatures of at least 250°C, and the patent also describes a method for controlling the size of cobalt oxide crystallites by supplying acetic acid or its metal salt during impregnation. This innovative approach aims to enhance the performance and efficiency of Fischer-Tropsch synthesis catalysts.
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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.
