Saudi Electricity has been granted a patent for rigid macrocycles with high photoluminescent and electron accumulation activities. The macrocycles consist of specific diimide subunits and chiral linking subunits. Methods of preparation and use are also included in the patent. GlobalData’s report on Saudi Electricity 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 Electricity, H2 storage carbon nanotubes was a key innovation area identified from patents. Saudi Electricity's grant share as of March 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Photoluminescent and electron accumulation rigid macrocycles
A recently granted patent (Publication Number: US11912720B2) discloses a rigid macrocycle composed of three diimide subunits, including a poly(peri-naphthalene) diimide (PPNDI) subunit and two naphthalene diimide (NDI) or pyromellitic diimide (PMDI) subunits, connected by three chiral linking subunits. The macrocycle exhibits C2 symmetry and can be arranged in a crystalline composition with multiple macrocycles forming dimers through p-p stacking of PPNDI subunits. Additionally, the patent covers a photoluminescent material containing the rigid macrocycle, with a quantum yield greater than 0.5 and capable of emitting electromagnetic radiation within the range of 350 nm to 800 nm, with a peak wavelength between 500 nm to 715 nm.
Furthermore, the patent includes methods for preparing the rigid macrocycle through cyclocondensation of specific reagents and for stimulating light emission from the photoluminescent material by exciting it with electromagnetic radiation in the near-ultraviolet or visible range. The method emphasizes the importance of achieving a quantum yield greater than 0.5 and the arrangement of the macrocycles in dimers through p-p stacking of PPNDI subunits to enhance the photoluminescent properties. The patent's innovative approach to designing and utilizing these rigid macrocycles opens up possibilities for advanced materials with improved photoluminescent characteristics and potential applications in various fields requiring efficient light emission properties.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. 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.
