SymBio Pharmaceuticals has been granted a patent for a proton exchange membrane with self-regenerating properties for fuel cells. The membrane assembly includes cathode and anode layers with specific polymers to enhance performance. The manufacturing method involves electrospinning. GlobalData’s report on SymBio Pharmaceuticals 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 SymBio Pharmaceuticals, Targeted cancer therapy was a key innovation area identified from patents. SymBio Pharmaceuticals's grant share as of May 2024 was 32%. Grant share is based on the ratio of number of grants to total number of patents.
Proton exchange membrane for self-regenerating fuel cell
A recently granted patent (Publication Number: US11962037B2) discloses a unique membrane assembly designed for fuel cells. The membrane assembly includes a proton exchange membrane with a catalytic cathode layer and a catalytic anode layer. The proton exchange membrane consists of two layers - a conducting and self-regenerating cathodic layer on the cathode side and a conducting anodic layer on the anode side. The cathodic layer comprises polymers carrying SO3H and thiol functions, while the anodic layer includes polymers carrying SO3H functions. The membrane is coated with the catalytic layers on the outer surfaces, with the cathodic layer differing from the anodic layer by the inclusion of polymers carrying thiol functions.
Furthermore, the patent details the composition and preparation method of the membrane assembly. It mentions the use of specific polymers such as (3-mercaptopropyl)trimethoxysilane (MPTMS) and inorganic polymers like TEOS or TMOS within the cathodic and anodic layers. The ratio of different polymer concentrations within the layers is also specified, along with the thickness and gradient of the cathodic layer. The patent also covers the application of the membrane assembly in fuel cells and provides a method for preparing the membrane assembly through electrospinning techniques. Overall, the patent aims to enhance the efficiency and performance of fuel cells through this innovative membrane assembly design.
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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
