Dotz Nano Limited has been granted a new patent for bulk liquid tagging, identifying and authentication in the United States. The patent (Patent No US 11,391,674 B2) called "Bulk liquid tagging, identifying and authentication" granted by the US Patent and Trademark Office uses a new approach to allow in-field, real-time and simple detection and quantification solution of materials and chemicals utilized in the oil & gas sector and other industries. Currently samples of certain heavily used liquids can only be measured using time consuming, expensive and complex procedures conducted by skilled lab technicians in specialized labs, generally off-site.

The new patented Dotz solution enables significant savings in time, personnel costs, direct logistics expenses, as well as indirect expenses due to unintentional overdosing of expensive chemicals. The granted patent is 100% owned by Dotz Nano Limited, having been developed in-house and is free from any royalty and/or licensing obligations. The patent provides for the use of photoluminescent carbon nanostructures including carbon and graphene quantum dots, which are invisible to the naked eye and do not react with or affect the qualities of the liquid, to tag or `mark' petrol-derived hydro-carbon materials, such as crude oil, petroleum fuels, kerosene, and lubricating oils; aqueous bulk liquids such as adBlue; and edible liquids, such as wines, olive oils and honey.

The tagged sample is then identified using a handheld fluorescence detector which compares in-field samples in close-to-real time to a self-developed calibration solution to determine quantity of the chemical in the sampled liquids. As a result of the successful pilot conducted with a leading company in the oil & gas sector, commercial discussions have commenced with the company to start broader deployment of the patented solution through its operations. Please note that there is no guarantee that these discussions will result in revenue.