Saudi Arabian Oil has been granted a patent for copolycarbonate compositions with a stabilizer package including phosphorous-containing acid, ester of phosphorous-containing acid, and organosulfonic stabilizer. The patent specifies molar ratios and weight amounts for optimal stabilization. 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 March 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
A copolycarbonate composition has been granted a patent, comprising bisphenol A carbonate units and second carbonate units, with a total stabilization package in the composition ranging from 8 to 16 parts per million. The organosulfonic stabilizer is present in the composition in the range of 2 to 30 parts per million, ensuring a heat deformation temperature of 155°C or higher and a yellowness index of less than 20. The composition also includes a specific phosphorus-containing acid and ester, along with the organosulfonic stabilizer, to enhance its properties.
Furthermore, the copolycarbonate composition can be used in various articles, such as lenses, light guides, waveguides, collimators, optical fibers, windows, doors, structural components of vehicles, buildings, appliances, medical devices, display screens, electronic devices, safety devices, screens, conveyors, molds, dishes, enclosures, packaging, gas barriers, encapsulants, labels, anti-fog assemblies, and anti-reflective assemblies. The composition ensures less than 20% variation in dimensions and yellowness index when subjected to secondary operations like over-molding, soldering, coating, etc. Additionally, the composition can be used in components of cameras, electronic devices, vehicles, flashlights, business machines, lighting devices, imaging devices, protective articles, vision corrective articles, and toys, with the option of applying various coatings for additional protection and functionality.
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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.
