KaiserTech Ltd. said it has completed the...

KaiserTech Ltd. said it has completed the sale of a major portion of its Harshaw/Filtrol Partnership, a specialty chemicals business based in Cleveland, to Engelhard Corp. In addition, Engelhard has exercised an option to buy the remaining portion, the Filtrol fluid cracking catalysts business. The aggregate price of the sale is about $264 million. Most of the proceeds will be used to increase cash balances and reduce debt, Oakland-based KaiserTech said.