Marubeni‘s patent covers nanostructure compositions with polythiol ligands to enhance solubility in solvents and resins. The invention also includes methods for producing nanostructure films. GlobalData’s report on Marubeni 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 Marubeni, Fuel cell powered drones was a key innovation area identified from patents. Marubeni's grant share as of May 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Nanostructure compositions with polythiol ligands for increased solubility
A recently granted patent (Publication Number: US11999884B2) discloses a nanostructure composition comprising a nanostructure with polythiol ligands dispersed on its surface. The polythiol ligands are defined by specific formulas and are designed to enhance the properties of the nanostructure. The nanostructure itself can have various cores such as InP, CdSe, ZnSe, and others, and may include at least one shell for additional functionality.
Moreover, the patent also covers a method for replacing a first ligand on a nanostructure with a second ligand, involving the use of a reaction mixture containing polythiol ligands. This process allows for the modification of nanostructures to achieve desired characteristics. Additionally, a nanostructure film layer is described, which includes nanostructures with polythiol ligands and demonstrates a light conversion efficiency ranging from 20% to 40%. The composition and method outlined in the patent offer innovative ways to manipulate nanostructures for various applications, including optoelectronic devices and energy conversion systems.
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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.
