Indian Oil has been granted a patent for a process to produce ultra-high molecular weight drag reducing polymer in powder form. The process involves using a titanium halide-based catalyst, co-catalyst, and alpha-olefin monomers, resulting in a highly efficient polymer with intrinsic viscosity >10 dL/g and conversion >90%. GlobalData’s report on Indian Oil 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 Indian Oil, Bioethanol production GMOs was a key innovation area identified from patents. Indian Oil's grant share as of February 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.

A recently granted patent (Publication Number: US11920007B2) discloses a process for preparing an ultra-high molecular weight drag reducing polymer. The process involves adding a titanium halide based catalyst supported on a magnesium chloride matrix, along with a co-catalyst such as an organoaluminum compound, to a polymerization mixture comprising alpha-olefin monomers with carbon chains of at least four carbons. The polymerization is carried out under inert and oxygen-free conditions at a specific temperature and pressure, with continuous stirring for a residence time of 12 to 24 hours. This results in the production of an ultra-high molecular weight drag reducing polymer with specific characteristics, including an intrinsic viscosity range of 21 dL/g to 35 dL/g and a conversion rate of at least 90%.

Furthermore, the patent claims specify the types of organoaluminum compounds that can be used as co-catalysts in the process, including various alkylaluminum, trialkenylaluminum, dialkylaluminum halide, alkylaluminum sesquihalide, dialkylaluminum hydride, partially hydrogenated alkylaluminum, and aluminoxane compounds. The monomers utilized in the process are selected from a group of alpha-olefins such as 1-butene, 1-hexene, 1-octene, 1-decene, and 1-dodecene. Additionally, the patent mentions that the polymerization reactor can be an extruder or a kneader, highlighting the versatility of the process in terms of equipment used for the polymerization reaction. Overall, the patented process offers a detailed method for producing ultra-high molecular weight drag reducing polymers with specific properties and characteristics, utilizing a combination of catalysts, co-catalysts, and monomers under controlled conditions to achieve desired outcomes.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.