U.S. federal trademark · Serial No. 75287107 · Reg. No. 96-677
catalyst for use in the treating of heavy hydrocarbon feedstocks with steam to upgrade the feedstock into more valuable lower boiling point hydrocarbon products
(Based on 44(e)) -- technical modification of visbreaking equipment for use in the treatment of heavy hydrocarbon feedstocks in the presence of a catalyst and steam to upgrade the feedstock into more valuable lower boiling point hydrocarbon products
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