Clean Planet Technologies Secures US And Saudi Patents For Its Pyrolysis-Oil Upgrading Process, Strengthening The UK's Plastics-To-SAF Innovation Push
The newly granted patents follow the UK patent first awarded in 2022 and extend the global reach of CPTech's proprietary method for converting low-grade, highly variable pyrolysis oils into ultra-low sulphur fuels and circular petrochemical feedstocks - a breakthrough that improves stability, reduces impurities, and enables far more efficient downstream upgrading.
A foundation technology now enabling the next era of Plastics-to-SAFOriginally developed for ultra-low sulphur diesel, naphtha and marine fuels, CPTech's multi-stage upgrading process - fractional condensation, tailored hydrotreating, and precision distillation - is now a central enabling technology inside the company's Plastics-to-SAF (P2SAF) programme.
This approach allows CPTech to transform mixed waste plastics into an ultra-clean product suitable for further refining into sustainable aviation fuel (SAF). It forms the backbone of the SAFe-P2SAF system unveiled by CPTech CEO Dr Andrew Odjo at the SAF Global Summit earlier this year, where he presented the UK's first Plastics-to-SAF pathway to more than 500 policymakers, airlines, and industry leaders.
Patents arrive at a pivotal moment for UK SAF innovation
The timing aligns with a surge in momentum for CPTech. The company recently teased the arrival of equipment for its first P2SAF pilot facility, planned for commissioning in Q1 2026. This will be the first real-world demonstration of the SAFe-P2SAF platform, transitioning the technology from stage-presentation to steel-in-the-ground deployment.
With UK and EU SAF mandates coming into force, increasing pressure on bio-based feedstock supply chains, and growing airline commitments to decarbonisation, alternative circular feedstocks such as waste plastics are gaining strategic importance.
By securing patent protection in two major energy markets - including the United States and the Kingdom of Saudi Arabia - CPTech strengthens its position to license, develop, and protect its technology across jurisdictions central to global fuel production.
Innovating at the intersection of plastics and aviationCPTech's patented process solves long-standing challenges associated with raw pyrolysis oil, which is typically unstable, oxygen-rich, metal-laden, and unsuitable for use in refineries or engines without extensive upgrading. By increasing stability, controlling variability, and removing sulphur, nitrogen and other contaminants, the technology produces a cleaner, more predictable intermediate oil - exactly what is required for advanced aviation-grade upgrading.
A strategic building block for what comes nextWith further CPTech announcements expected later in the year, the expanded patent protection sends a clear signal: the company is not only innovating in the lab and on the stage - it is securing the legal and commercial underpinnings needed to scale plastics-to-fuel production globally.
About Clean Planet Technologies
Clean Planet Technologies (CPTech) is part of the Clean Planet Group, dedicated to developing proprietary technologies that enable the sustainable use of plastics and the reduction of carbon emissions. Its portfolio includes innovations in Plastics-to-SAF, Plastics-to-Hydrogen, Plastics-to-Monomers, and containerised pyrolysis systems (CPS2). CPTech's technologies support the circular economy by transforming low-value waste into high-value, low-carbon fuels and chemicals.
You can learn more about CPTech here
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