Halowax is a New York-based company that was later owned by

Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befo ...

. It was subsequently taken over by

Pittsburgh, Pennsylvania Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...

-based

Koppers Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States in an art-deco 1920s skyscraper, the Koppers Tower. Structure Koppers is an integrated global producer of carbon compounds, chemicals, and tre ...

, which was later renamed Beazer East. It is the largest US producer of

polychlorinated naphthalene Polychlorinated naphthalene (PCN) are the products obtained upon treatment of naphthalene with chlorine. The generic chemical formula is C10 H8−(m+n) Cl(m+n). Commercial PCNs are mixtures of up to 75 components and byproducts.van de Plassche, ...

s and

polychlorinated biphenyl Polychlorinated biphenyls (PCBs) are highly carcinogenic chemical compounds, formerly used in industrial and consumer products, whose production was banned in the United States by the Toxic Substances Control Act of 1976, Toxic Substances Contro ...

s for floor finishing and similar applications.

References

Chemical companies of the United States {{US-company-stub