86472754
Dec 5, 2014
Jan 19, 2016
Active Trademark
Catalysts for chemical processes, namely, preactivated hydroprocessing catalysts; preactivated naphtha hydrotreater (NHT) catalyst; chemical products used as sulfiding and presulfiding agents in refineries and in petrochemical units
ChemicalsSulfiding and passivation, namely, material treatment of hydroprocessing catalysts; material treatment of petroleum catalyst, namely an off-site sulfiding and activation of hydroprocessing catalyst
Treatment of Materials