Oscar and Eric Spiegelhalder, owners of Sunhill Corporation and Holloway Sucrochemicals, Inc. bought the license for Kenflex^® manufacture in the 1950’s and produced the resin as an adjunct plant to their sucro chemical production in Maspeth, NY. Upon receiving approval from * DuPont^® for the use of Kenflex^® A in high voltage Neoprene^® and Hypalon^® wire and cable insulation, the company needed to increase capacity and moved to a manufacturing plant in Bayonne, NJ in 1961. The 6.5-acre site was purchased by Kenrich Petrochemicals, Inc. in 1978 where it operated as a three-generation family owned business through December of 2015. The company is growing with the changing economic and technical landscape and relocating its main office to Florida and manufacturing to Tennessee.

*DuPont is a registered trademark of E. I. du Pont de Nemours and Company, which is not in any way related to Kenrich Petrochemicals, Inc.^®