2 firms are told to stop making products that infringe on Grace patent


November 21, 1997

Grace Davison, a Baltimore-based division of W. R. Grace & Co., said yesterday that a federal judge has ordered two companies to stop making sulfur oxide reduction additives that infringe on a Grace patent.

U.S. District Judge Joseph J. Longobardi of Delaware issued a permanent injunction against Intercat Inc. and Conoco Inc., prohibiting the companies from manufacturing, using or selling Intercat's NoSOx and NoSOx-PC sulfur oxide reduction products.

Grace, which supplies additives to the oil refining, plastics and chemical industries, won its first legal victory for its DESOX sulfur reduction product in September.

That was when the court ruled that Seagirt, N.J.-based Intercat had willfully infringed on patents for Grace's DESOX patents by selling NoSOx products, and that Conoco of Houston had infringed on DESOX patents by using NoSOx products.

Yesterday's injunction prohibits Conoco and Intercat from inducing others to make, use or sell NoSOx products. Grace is also seeking monetary damages.

Pub Date: 11/21/97

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