74272992
May 7, 1992
Nov 29, 1994
Active Trademark
magnesite [ and dolomite ] based chemicals and additives for use in the agricultural, horticultural, waste water treatment, rubber, plastic, utility, metal finishing, plating and etching, drilling mud, rayon, and the pulp and paper industries
Chemicals[ refractories; namely, alumina, silica, alumina-silica, ceramic fiber and basic refractories ]
Nonmetallic Building Materials[ refractory services; namely, installing and maintaining refractories and refractory systems ]
Building Construction and Repair[ refractory services; namely, designing refractories and refractory systems for others and engineering refractories and refractory systems ]
Computer and Scientific