1
Mark J O Hara, Marion R Surgi: Immobilization of lead and cadmium in solid residues from the combustion of refuse using lime and phosphate. Wheelabrator Environmental Systems, Thomas K McBride, John F Spears Jr, Eugene I Snyder, April 12, 1988: US04737356 (69 worldwide citation)

Solid residues arising from the burning of solid wastes have lead and cadmium sufficiently insolubilized to pass the EPA toxicity test only where the pH in the EPA test is between 7.5 and 12.0. Addition of water soluble phosphate, especially phosphoric acid, increases the immobilization of lead and ...


2
Mark J O Hara, Peter Urban: Immobilization of lead and cadmium in fly ash. Allied Corporation, Thomas K McBride, John F Spears Jr, Eugene I Snyder, December 16, 1986: US04629509 (36 worldwide citation)

Leaching of cadmium and lead from solid residues obtained in the incineration of refuse may be reduced to environmentally acceptable levels by the addition of calcium sulfide to such residues. A particularly convenient method involves the addition of dry lime and an aqueous solution of an inorganic ...


3
Mark J O Hara, Tamotsu Imai, Jeffery C Bricker, David E Mackowiak: Dehydrogenation of dehydrogenatable hydrocarbons. UOP, Thomas K McBride, William H Page II, Raymond H Nelson, January 21, 1986: US04565898 (22 worldwide citation)

Dehydrogenatable hydrocarbons may be subjected to a dehydrogenation reaction in which the hydrocarbons are treated with a dehydrogenation catalyst comprising a modified iron compound in the presence of steam in a multicatalyst bed system. The reaction mixture containing unconverted hydrocarbons, deh ...


4
Mark J O Hara, Russell W Johnson, Lee Hilfman: Hydroprocessing of hydrocarbons. UOP, James R Hoatson Jr, John G Cutts Jr, William H Page II, May 13, 1980: US04202758 (19 worldwide citation)

A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite comprising an alumina-zeolite support, a rare earth exchange metal component, at least one metal component from Group VIB or Group VIII and from about 0.1 to about 5 weight percent ...


5
Russell W Johnson, Mark J O Hara, Hillard L Kuntz: Hydrocarbon conversion catalyst and use thereof. UOP, James R Hoatson Jr, John G Cutts Jr, William H Page II, September 18, 1984: US04472529 (17 worldwide citation)

A hydrocarbon conversion catalyst is disclosed which catalyst comprises a refractory inorganic oxide, a Group VIB metal component, a Group VIII metal component and a fluoride component wherein the last step in the catalyst preparation is the incorporation of the fluorine component and a subsequent c ...


6
Mark J O Hara, Russell W Johnson, Lee Hilfman: Hydrocracking with catalyst modified by Group IIA. UOP, James R Hoatson Jr, John G Cutts Jr, William H Page II, December 18, 1979: US04179356 (12 worldwide citation)

Disclosed is a hydrocracking catalyst comprising an alumina-zeolite support, a rare earth exchange metal component, at least one metal component selected from Group VIB or Group VIII and from about 0.1 to about 5 wt. % of at least one component selected from Group IIA based on the weight of the fini ...


7
Mark J O Hara, Russell W Johnson: Hydrocarbon conversion catalyst and use thereof. UOP, James R Hoatson Jr, John G Cutts Jr, William H Page II, May 8, 1984: US04447556 (10 worldwide citation)

A hydrocarbon conversion catalyst is disclosed which comprises a combination of a carrier material, a Group VIB metal component and Group VIII metal component wherein said group VIB metal component and said Group VIII metal component are incorporated in said catalytic composite by means of a non-aqu ...


8
Mark J O Hara: Hydrorefining of petroleum fraction utilizing a catalyst prepared with an anion complex of a group VI-B and a group VIII metal component. UOP, James R Hoatson Jr, Robert W Welch, William H Page II, April 11, 1978: US04083771 (10 worldwide citation)

A hydrorefining process is disclosed. A petroleum hydrocarbon fraction is treated at hydrorefining conditions in contact with a catalyst comprising a Group VIII metal and a Group VIB metal component impregnated on a refractory inorganic oxide. A more active catalyst results from the use of an impreg ...


9
Mark J O Hara, Tamotsu Imai: Oligomerization of olefins. UOP, James R Hoatson Jr, Raymond H Nelson, William H Page II, December 25, 1984: US04490571 (9 worldwide citation)

An oligomerization process is effected by treating olefinic hydrocarbons containing from 2 to about 6 carbon atoms in the presence of a catalyst comprising boron fluoride composited on an alumina support. The catalyst is treated with an additive comprising an oxygen or nitrogen-containing compound e ...


10
Lee Hilfman, Mark J O Hara: Hydrocracking process. UOP, James R Hoatson Jr, Louis A Morris, William H Page II, February 26, 1985: US04501655 (9 worldwide citation)

A process is provided for the hydrocracking of a hydrocarbon charge stock which comprises reacting the charge stock with hydrogen at hydrocracking conversion conditions in contact with a catalytic composite comprising a combination of a Group VIB metal component, Group VIII metal component, and a fl ...