National Peroxide (NPL) was jointly promoted by The Bombay Dyeing & Manufacturing Company and Laporte Industries, UK. The peroxygens division of the company manufactures hydrogen peroxide and persalts. And the other plastic additives division produces, litharge and PVC stabilisers. _x000D_ _x000D_ The first plant, manufacturing hydrogen peroxide using the electrolytic process, was set up in 1956. In 1972, NPL adopted the latest auto oxidation technology. A captive hydrogen gas plant was set up in 1987. After a series of expansions, the capacity of the hydrogen peroxide plant has increased to 15,000 tpa. In 1970, Laporte joined hands with Solvay, Belgium, and formed a joint venture known as Interox Coordination. In 1992, Solvay took over Interox Coordination and became a shareholder of NPL with a 25.10% stake. _x000D_ _x000D_ NPL established a plant in Dewas, Madhya Pradesh, to manufacture litharge and plastic additives (inst. cap.: 4800 tpa) in 1989, in collaboration with Akzo Chemie, Germany. NPL produces litharge, lead stabilisers, solid metal complexes, liquid metal complexes, epoxidised soya bean oil and one-pack stabiliser systems in Dewas. In June 2000, NPL sold it's Dewas division to M/s Barlocher India Additives Pvt. Ltd., an indian arm of M/s Barlocher GmbH. The company handed over the plant on June 30, 2000 as per the conciliation agreement with the M/s Barlocher Gmbh, Germany. The sale proceeds were used to pay off high cost loans._x000D_ _x000D_ It established an integrated research centre in Kalyan in 1979, (cost : Rs 1.5 cr) to promote the applications of hydrogen peroxide and persalts in various industries, to carry out process development and to provide technical services required for plastic additives. _x000D_ _x000D_ NPL's real estate project, named Naperol Tower is completed and the company sold 121 flats during the year 2000-01 and the remaining 38 flats are to be sold._x000D_