Avient Achieves Reexamination Certificate for Dyneema® Cut-Resistant Yarn Patent

June 27, 2023
Dyneema logo

CLEVELAND – June 27, 2023 – Avient, a leading innovator of specialty and sustainable material solutions, is pleased to announce the issuance of the reexamination certificate for the principal patent applicable to Dyneema® Diamond Technology for cut-resistant yarn in the United States. The certificate confirms the patentability of 73 claims as amended or newly added in U.S. Patent No. 8,302,374, entitled “Cut Resistant Yarn, A Process for Producing the Yarn and Products Containing the Yarn.”

Dyneema®, the world’s strongest fiber™, enables high-performance material solutions for customers across various sectors, including personal protective equipment, sports equipment, and industrial applications.  The recently issued certificate reinforces the strength and uniqueness of the patented technology, bolsters Avient’s intellectual property portfolio including the Dyneema® brand, and empowers Avient to continue leading the industry in high-performance materials for consumer and professional protection. 

“I’m delighted to share this milestone achievement with our valued partners, stakeholders, and customers,” commented Marcio Manique, global business director, Consumer & Professional Protection for Dyneema® at Avient. “The reexamination certificate serves as a testament to the ingenuity of our cut-resistant yarn technology and the robustness of its patent protection. We look forward to leveraging this development to further enhance our offerings and deliver exceptional protective solutions to our customers.”

Dyneema® Diamond Technology offers unmatched cut resistance, lightweight performance, and exceptional strength as part of a vast product portfolio of breakthrough material solutions.

About Avient 

Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include:  

  • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports  
  • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy  
  • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint  
  • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility    

Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. For more information, visit

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Media contact
Crandall Turner
Avient Corporation 

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