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LiTHOS Secures U.S. Patent, Paving the Way for Complete Lithium Refinery Operations with Broad Direct Lithium Extraction (DLE) Capabilities

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LiTHOS Group (CBOE CA: LITS) has secured a U.S. patent for its Electro-Pressure Membrane Method for lithium recovery. The patent covers all five stages of lithium extraction and refinement, from pre-treatment to final processing of Lithium Carbonate or Hydroxide. The company's AcQUA™ technology enables lithium extraction without freshwater or chemicals, while TiERRA™ provides closed-loop brine re-injection. The patent strengthens LiTHOS's ability to operate complete lithium refineries and integrate various Direct Lithium Extraction (DLE) methods. The technology has been validated through collaboration with SQM, demonstrating high-purity lithium recovery.

LiTHOS Group (CBOE CA: LITS) ha ottenuto un brevetto negli Stati Uniti per il suo Metodo di Membrana Elettro-Pressione per il recupero del litio. Il brevetto copre tutte e cinque le fasi dell'estrazione e raffinazione del litio, dalla pre-trattamento fino al processo finale di Carbonato o Idrossido di Litio. La tecnologia AcQUA™ dell'azienda consente l'estrazione del litio senza acqua dolce o sostanze chimiche, mentre TiERRA™ offre un sistema di reiniezione della salamoia in chiusura del ciclo. Il brevetto rafforza la capacità di LiTHOS di gestire raffinerie complete di litio e integrare vari metodi di Estrazione Diretta di Litio (DLE). La tecnologia è stata convalidata attraverso la collaborazione con SQM, dimostrando un recupero di litio ad alta purezza.

LiTHOS Group (CBOE CA: LITS) ha conseguido una patente en EE. UU. para su Método de Membrana Electro-Pression para la recuperación de litio. La patente cubre las cinco etapas de extracción y refinamiento de litio, desde el pretratamiento hasta el procesamiento final de Carbonato o Hidróxido de Litio. La tecnología AcQUA™ de la empresa permite la extracción de litio sin agua dulce ni productos químicos, mientras que TiERRA™ proporciona inyección de salmuera en un ciclo cerrado. La patente fortalece la capacidad de LiTHOS para operar refinerías completas de litio e integrar varios métodos de Extracción Directa de Litio (DLE). La tecnología ha sido validada a través de la colaboración con SQM, demostrando una recuperación de litio de alta pureza.

LiTHOS Group (CBOE CA: LITS)는 리튬 회수를 위한 전기 압력 막 방법으로 미국 특허를 확보했습니다. 이 특허는 리튬 추출 및 정제의 다섯 단계 모두를 포함하며, 전처리에서 리튬 탄산염 또는 수산화물의 최종 가공까지 포함됩니다. 회사의 AcQUA™ 기술는 담수나 화학 물질 없이 리튬 추출을 가능하게 하며, TiERRA™는 폐쇄 루프 염수 재주입을 제공합니다. 이 특허는 LiTHOS가 완전 리튬 정유소를 운영하고 다양한 직접 리튬 추출(DLE) 방법을 통합할 수 있는 능력을 강화합니다. 이 기술은 SQM과의 협력을 통해 검증되어 고순도 리튬 회수를 입증했습니다.

LiTHOS Group (CBOE CA: LITS) a obtenu un brevet aux États-Unis pour sa Méthode de Membrane Électro-Pression pour la récupération de lithium. Le brevet couvre les cinq étapes de l'extraction et du raffinage du lithium, depuis le prétraitement jusqu'au traitement final du Carbonate ou Hydroxyde de Lithium. La technologie AcQUA™ de l'entreprise permet l'extraction de lithium sans eau douce ni produits chimiques, tandis que TiERRA™ offre une réinjection de saumure en boucle fermée. Le brevet renforce la capacité de LiTHOS à exploiter des raffineries de lithium complètes et à intégrer diverses méthodes d'Extraction Directe de Lithium (DLE). La technologie a été validée par le biais d'une collaboration avec SQM, démontrant une récupération de lithium de haute pureté.

LiTHOS Group (CBOE CA: LITS) hat ein US-Patent für sein Elektro-Druck-Membranverfahren zur Lithium-Rückgewinnung gesichert. Das Patent umfasst alle fünf Phasen der Lithium-Extraktion und -Verfeinerung, vom Vorbehandlungsprozess bis zur Endverarbeitung von Lithiumcarbonat oder -hydroxid. Die AcQUA™-Technologie des Unternehmens ermöglicht die Lithium-Extraktion ohne Süßwasser oder Chemikalien, während TiERRA™ eine Kreislaufreinigung des Salzwassers bietet. Das Patent stärkt die Fähigkeit von LiTHOS, vollständige Lithiumraffinerien zu betreiben und verschiedene Methoden der Direkt-Lithium-Extraktion (DLE) zu integrieren. Die Technologie wurde in Zusammenarbeit mit SQM validiert und zeigt eine hochreine Lithium-Rückgewinnung.

Positive
  • Secured comprehensive U.S. patent covering all five stages of lithium extraction and refinement
  • Technology validated through collaboration with major producer SQM
  • Capability to operate without freshwater or chemical additives, reducing environmental impact
  • Flexibility to integrate with multiple DLE technologies
  • Protected intellectual property for complete lithium refining operations
Negative
  • None.

VANCOUVER, BC, Oct. 28, 2024 /PRNewswire/ - LiTHOS Group Ltd. ("LiTHOS" or the "Company") (CBOE CA: LITS), a company at the forefront of sustainable lithium brine extraction, is pleased to announce the allowance of its U.S. patent for the "Electro-Pressure Membrane Method for Recovery and Concentration of Lithium from Aqueous Sources" by the United States Patent and Trademark Office (USPTO). This patent secures LiTHOS's ability to operate across the full lithium extraction and refinement process, covering essential stages from pre-treatment through lithium concentration to final processing for Lithium Carbonate (Li2CO3) or Lithium Hydroxide (LiOH) production. It safeguards LiTHOS's flexibility to integrate any Direct Lithium Extraction (DLE) method, supporting an adaptable approach to refining.

The patent allowance protects all five steps in LiTHOS's lithium extraction and concentration process, marking a significant milestone for the company's intellectual property portfolio. This comprehensive protection enhances LiTHOS's capability to work with various DLE techniques, enabling seamless adaptation and integration with lithium carbonate or hydroxide production.

Scott Taylor, CEO of LiTHOS, commented, "This foundational patent broadens our ability to offer fully integrated lithium extraction and refinement solutions, from pre-treatment to the final stage of producing battery-grade materials. It provides LiTHOS with a secure framework for commercializing our AcQUA™ and TiERRA™ technologies, and for partnering with other DLE innovators to meet growing lithium demands sustainably."

Broad Patent Coverage Across All Stages of Lithium Extraction and Refinement

The patent's coverage across all five extraction stages enhances LiTHOS's flexibility to implement a full carbonate or hydroxide refinery and allows for integration with multiple DLE approaches. This adaptability is crucial for:

  • Pre-Treatment: LiTHOS's AcQUA™ technology allows for the effective removal of impurities like magnesium, calcium, and boron, preparing brine for optimal lithium recovery.

  • Lithium Concentration and Refinement: The patent protects the electro-pressure membrane process that drives lithium concentration, laying the groundwork for efficient downstream conversion to high-purity Lithium Carbonate or Lithium Hydroxide.

  • DLE Integration: AcQUA™ can work with various DLE techniques, including absorption, solvent extraction, and electrodialysis, giving LiTHOS and its partners the flexibility to adopt the most suitable extraction technology.

  • Post-Treatment and Re-Injection: TiERRA™ technology addresses the challenge of responsible brine management by conditioning spent brine for re-injection, reducing freshwater requirements and aligning with environmental best practices.

Strengthened IP Enables Market Expansion and Strategic Partnerships

With this foundational patent, LiTHOS is positioned to accelerate commercial opportunities, offering:

  • Strategic Licensing & Partnerships: The patent opens the door to new collaborations with lithium producers and refiners seeking flexible, scalable solutions for battery-grade lithium.

  • Full Operational Control: Securing all steps in the lithium extraction process protects LiTHOS's ability to operate independently or with industry partners in both refining and DLE stages, a critical factor in meeting industry demands.

Validated Technology and Industry Collaborations

  • Technology Validation with SQM: In collaboration with Sociedad Quimica y Minera de Chile (SQM), AcQUA™ demonstrated high-purity lithium recovery and the removal of challenging impurities, positioning it as a viable choice for major lithium producers.

  • Partnerships with Leading Companies: LiTHOS is actively engaged with global firms in the specialty chemicals and mining sectors, where AcQUA™ and TiERRA™ technologies are being evaluated for large-scale applications.

Sustainable Innovation in Lithium Extraction

LiTHOS's AcQUA™ technology combines an electro-pressure membrane process that concentrates lithium efficiently without requiring fresh water or harmful chemicals. TiERRA™ complements this by providing a closed-loop solution that re-injects conditioned brine, reducing the environmental impact and supporting long-term water conservation. Together, these technologies align with the industry's push for sustainable extraction and refining practices.

This patent solidifies LiTHOS's standing in the lithium sector by enabling a fully adaptable lithium refining model, setting the stage for further innovation and partnerships that support the industry's need for flexible, sustainable lithium solutions.

About LiTHOS

Lithos Group Ltd. is a mining technology company focused on selective extraction of aqueous minerals. The Company's AcQUA™ technology allows lithium to be extracted from continental brine reservoirs without the need for additional freshwater or any added chemicals or reagents. Lithium is now among the world's most in-demand metals as the world "electrifies" to reduce CO2 emissions, led by continuing growth in EV sales and the installation of hundreds of gigawatts of intermittent solar power generation capacity requiring partial battery storage solutions.

The Company's mission is to produce sustainable lithium without evaporation ponds. AcQUA™ is LiTHOS's patent-pending technology that spans the complete value chain from the conditioning and pre-treatment of raw brines through the DLE phase into the polishing and purification of battery-grade lithium feedstock. LiTHOS has two processing facilities: a 4,000 sq ft lab in Denver, CO, and a 55,000 sq ft complex in Bessemer, AL. 

LiTHOS is working with multiple strategic mineral resource owners, including brines from the largest Salars in Chile and Argentina and the Smackover reservoir in the Southeastern United States. Our wholly-owned subsidiary, Aqueous Resources LLC, is a US Department of Energy grant awardee and a Colorado Advanced Industries grant awardee. For more information, please get in touch with LiTHOS Investor Relations at 1-877-LITHOS1 / 1-877-548-4671 or via email at info@lithostechnology.com.

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ON BEHALF OF THE BOARD

Scott Taylor - CEO

Forward-Looking Statements: This news release contains certain forward-looking statements within the meaning of Canadian securities legislation, including with respect to: the plans of the Company; the purposed use of funds of the Second Tranche; and statements relating to the closing of additional tranches of the offering. Although the Company believes that such statements are reasonable, it can give no assurance that such expectations will prove to be correct. Forward-looking statements are statements that are not historical facts; they are generally, but not always, identified by the words "expects," "plans," "anticipates," "believes," "intends," "estimates," "projects," "aims," "potential," "goal," "objective," "prospective," and similar expressions, or that events or conditions "will," "would," "may," "can," "could" or "should" occur, or are those statements, which, by their nature, refer to future events. The Company cautions that forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made and involve several risks and uncertainties, including additional tranches of the offering may not close on the terms announced or at all; that the Company may use the proceeds of the Second Tranche for purposes other than those disclosed in this news release; adverse market conditions; and other factors beyond the control of the Company. Consequently, there can be no assurances that such statements will prove to be accurate, and that actual results and future events could differ materially from those anticipated in such statements.

Important factors that could cause future results to differ materially from those anticipated in these forward-looking statements include: limited operating history; research and development activities; effect of general economic and political conditions; and other risk factors set forth in the Company's public filings which are available on SEDAR+ at www.sedarplus.ca. Accordingly, the reader is urged to refer to the Company's such filings for a more complete discussion of such risk factors and their potential effects. Except to the extent required by applicable securities laws and the policies of Cboe Canada Inc., the Company undertakes no obligation to update these forward-looking statements if management's beliefs, estimates or opinions, or other factors should change.

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/lithos-secures-us-patent-paving-the-way-for-complete-lithium-refinery-operations-with-broad-direct-lithium-extraction-dle-capabilities-302288124.html

SOURCE Lithos Group Ltd.

FAQ

What does LiTHOS's (LITSF) new U.S. patent cover?

The patent covers the Electro-Pressure Membrane Method for lithium recovery, protecting all five stages of lithium extraction and refinement, from pre-treatment through concentration to final processing of Lithium Carbonate or Hydroxide.

How does LiTHOS's AcQUA™ technology work for lithium extraction?

AcQUA™ uses an electro-pressure membrane process to concentrate lithium without requiring fresh water or chemicals, and includes pre-treatment capabilities for removing impurities like magnesium, calcium, and boron.

What is the environmental benefit of LiTHOS's TiERRA™ technology?

TiERRA™ provides a closed-loop solution that conditions and re-injects spent brine, reducing freshwater requirements and environmental impact while supporting long-term water conservation.

Which major company has validated LiTHOS's technology?

Sociedad Quimica y Minera de Chile (SQM) has validated the AcQUA™ technology, demonstrating its capability for high-purity lithium recovery and impurity removal.

LITHOS GROUP LTD

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