ADVANSIX FILES PATENT INFRINGEMENT LAWSUIT AGAINST ARXADA GROUP COMPANIES

European Patent No 3 286 270 focuses on EZ-BLOX® Anti-Skinning Agent used in alkyd paints and coatings

Parsippany, N.J., April 16, 2025 – AdvanSix (NYSE: ASIX), a diversified chemistry company, today announced it has filed legal proceedings against two members of the Arxada group of companies (Troy Chemical Company BV & Troy Chemie GmbH) and their EU distributor Azelis for patent infringement. The lawsuit centers around infringement activities related to AdvanSix’s proprietary EZ-BLOX®, 2-pentanone oxime (“2PO”), which is an anti-skinning additive and drop-in replacement for MEKO used in alkyd-based paints and coatings compositions.

“At AdvanSix, we have pioneered chemical solutions that remain critical to our industries, customers and the greater good and we have consistently extended significant effort to protect our intellectual property,” said Paul Sanders, Vice President of Chemical Intermediates at AdvanSix. “This legal action further underscores our determination to defend the integrity of AdvanSix’s intellectual property and enforce our rightful exclusivity in the marketplace.”

The Patent Infringement Action

This patent infringement action was filed on April 10, 2025, before the local division of the Unified Patent Court (the “UPC”) in The Hague and concerns the infringement of AdvanSix’s European Patent No 3 286 270 (“EP 270”). EP 270 was granted in January 2024 and has been validated in nearly two dozen countries within the European Patent Convention, including the United Kingdom, most of the EU, Switzerland, Norway and Turkey. EP 270 remains in effect until April 2036. Rulings by the UPC are directly applicable in the currently 18 European Union member states that have ratified the UPC Agreement.

About AdvanSix

AdvanSix is a diversified chemistry company that produces essential materials for our customers in a wide variety of end markets and applications that touch people’s lives. Our integrated value chain of our five U.S.-based manufacturing facilities plays a critical role in global supply chains and enables us to innovate and deliver essential products for our customers across building and construction, fertilizers, agrochemicals, plastics, solvents, packaging, paints, coatings, adhesives, electronics and other end markets. Guided by our core values of Safety, Integrity, Accountability and Respect, AdvanSix strives to deliver best-in-class customer experiences and differentiated products in the industries of nylon solutions, plant nutrients, and chemical intermediates. More information on AdvanSix can be found at https://www.advansix.com.

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