Saudi Arabian Oil. has been granted a patent for a polymer composition that includes polypropylene and a stabilizing additive mixture. This mixture features a thioether compound, a Hindered Amine Light Stabilizer, and an inorganic acid scavenger, intended for use in housing for wireless communication antennas. GlobalData’s report on Saudi Arabian 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 Saudi Arabian Oil, AI assisted CAD was a key innovation area identified from patents. Saudi Arabian Oil's grant share as of June 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12043727B2 outlines a novel polymer composition that combines polypropylene with a stabilizing additive mixture. This mixture includes a thioether compound, which is critical for enhancing the stability of the polymer. The polypropylene specified is a heterophasic propylene copolymer, characterized by a propylene-based matrix and a dispersed ethylene-a-olefin copolymer. The composition is designed to contain specific weight percentages of these components, with the matrix comprising 70 to 90 wt. % and the dispersed copolymer making up 10 to 30 wt. %. Additional components such as inorganic acid scavengers, sterically hindered phenolic antioxidants, and phosphite antioxidants are also included to further improve the polymer's performance.
Moreover, the patent details the inclusion of short glass fibers, which can range from 5 to 50 wt. % of the total composition, enhancing the mechanical properties of the polymer. The thioether compound is specified to be present in amounts between 0.10 and 1.0 wt. %, while the Hindered Amine Light Stabilizer (HALS) and inorganic acid scavenger are included in amounts of 0.05 to 0.75 wt. %. The patent also describes potential applications for this polymer composition, including its use in articles such as housings for antennas in wireless communication. The detailed formulations and specific components outlined in the claims suggest a focus on improving the durability and stability of polypropylene-based materials in various applications.
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