Koppers Holdings, headquartered in Pittsburgh, employs 2,108 staff and operates in treated wood products, wood treatment chemicals, and carbon compounds across three segments. It serves markets in North America, South America, Australasia, and Europe.
KOP filed a patent for "methods of manufacture of biocidal compositions, articles for storing biocidal compositions, wood preservative solutions, and wood products produced therefrom" on Fri, September 1, 2023.
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