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This website fulfills the virtual patent marking requirements defined by 35 USC § 287 of the America Invents Act, as well as those of other jurisdictions.  Products within the following Cytec brand lines are protected by patents in the U.S., and by their non-U.S. equivalents, and are manufactured directly or indirectly by Cytec Industries Inc., its affiliates, or its licensees. This list may not be all-inclusive and it may be updated from time to time.  Other Cytec products may be protected by one or more patents not listed here.  Additional applications for patents may be pending in the U.S. and elsewhere.

  • CYASORB CYNERGY SOLUTIONS® and THT® brand of products are protected by:
    Patent Nos.: US 6843939; US 9725579; US 10407563; EP 1080147 B2; EP 1481024 B1; CN 1154686 C; CN 1311020 C; CN 106471049 B; and equivalents or other patents pending.
  • CYASORB CYXTRA® brand of products are protected by:
    Patent Nos.: EP 3221393 B1 ; and equivalents or other patents pending.
  • R-Series Cycle Time Products are protected by:
    Patent Nos.:  EP 2652014 B; CN 103502325 B; CN 104755470 B; JP 6300526 B; and equivalents or other patents pending.


Cytec Industries Inc. is a Delaware corporation and member of the Solvay Group, being a wholly-owned subsidiary of Solvay S.A., Brussels, Belgium.  Cytec is the corporate entity for Solvay’s Technology Solutions GBU, which includes the Polymer Additives business unit to which the above-referenced patented products relate.

Solvay is an advanced materials and specialty chemicals company, committed to developing high-value and transformational chemistries and solutions that address key societal challenges, improving the quality of life. Solvay innovates and partners with customers worldwide in many diverse end-markets, including automotive and aerospace lightweighting products, consumer goods and healthcare, agriculture and agrochemicals, energy and environment, smart devices and electronics, building and construction, as well as other industrial applications.  Its products enhance efficiency and sustainability by promoting cleaner mobility, optimization of resources, and improving air and water quality. Solvay is headquartered in Brussels with around 25,000 employees in 62 countries. 90% of sales result from activities where Solvay ranks among the world’s top 3 leaders. Solvay SA (SOLB.BE) is listed on Euronext Brussels and Paris Bloomberg: SOLB.BB - Reuters: SOLB.BR), and in the United States its shares (SOLVY) are traded through a level-1 ADR program.