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Directa Plus wins US patent for G+ ink

The company announced the grant of a patent by the United States Patent and Trademark Office, relating to the company's technology to produce a water-based dispersion of pristine graphene nanoplatelets.

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Graphene specialist Directa Plus PLC (LON:DCTA) has been granted a US patent that will enable it to develop an ink based on its G+ graphene product.

The patent relates to the production of a water-based dispersion of pristine graphene nanoplatelets (GNPs).

READ Directa Plus awarded US patent for its non-chemical graphene process

The grant follows the award of a US patent, announced on 27 June 2019, for the company's core, chemical-free graphene manufacturing process which produces GNPs with a high level of purity (high carbon content, extremely low oxygen content).

Directa Plus said the main benefit of the ink product would be its high degree of dispersibility in any water-based hosting formulation, thus making the incorporation process easier.

The G+ ink can be used in textiles applications to provide flame retardant properties or electrical conductivity, as well as for coating applications in, for example, the production of battery electrodes.

"This grant, following on from the recent grant of patent protection for our core manufacturing process in the US, is another milestone towards launching into US markets and a further demonstration of the strength of our IP portfolio," said Giulio Cesareo, the founder and chief executive officer of Directa Plus.

In afternoon trading, shares in Directa Plus were 0.6% higher at 84.0p.

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Quick facts: Directa Plus PLC

Price: 92.5 GBX

Market: AIM
Market Cap: £56.59 m

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