USPTO Grants Zentek Ltd. Patent for ZenGUARD Graphene Coating Technology

The United States Patent and Trademark Office has issued a patent to Zentek Ltd. for its ZenGUARD technology, a graphene-based coating designed for use in personal protective equipment and other applications. This intellectual property protection covers the company’s proprietary method for applying graphene to various substrates, marking a formal recognition of the technology’s development and its potential industrial utility.

The patent, officially granted on June 9, 2026, details the specific chemical and physical processes Zentek employs to integrate graphene into material surfaces. By securing these rights, the company establishes legal ownership over the manufacturing techniques used to produce the antimicrobial coating. Zentek originally developed ZenGUARD to enhance the performance of surgical masks and other filtration products by leveraging the conductive and structural properties of graphene. The company now holds the exclusive rights to utilize this specific application process within the United States, providing a framework for how the technology may be deployed or licensed in future commercial operations.

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Date: June 9, 2026

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GOAI