1
Ajay M Madgavkar, Roger F Vogel, Harold E Swift: In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations. Gulf Research and Development Company, February 5, 1980: US04186801 (251 worldwide citation)

An integrated in situ combustion process for producing subterranean carbonaceous deposits in which the resulting flue gas of low heating value is combusted over an oxidation catalyst at substoichiometric conditions and is expanded in a gas turbine which drives the air compressor for injecting the co ...


2
Ajay M Madgavkar, Roger F Vogel, Harold E Swift: Substoichiometric combustion of low heating value gases. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Donald L Rose, January 4, 1983: US04366668 (242 worldwide citation)

The combustible component of a stream of low heating value gas comprising carbon monoxide, hydrogen and methane is combusted using less than a stoichiometric amount of air in the presence of an oxygenation catalyst and the heat energy in the combusted gas is utilized, for example, by expansion in a ...


3
Ajay M Madgavkar, Roger F Vogel, Harold E Swift: Utilization of energy obtained by substoichiometric combustion of low heating value gases. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Donald L Rose, November 10, 1981: US04299086 (240 worldwide citation)

The combustible component of a gas stream of low heating value is combusted using less than a stoichiometric amount of oxygen in the presence of an oxygenation catalyst and the heat energy in the combusted gas is utilized, for example, by expansion in a gas turbine.


4
Ajay M Madgavkar, Roger F Vogel: Substoichiometric combustion of low heating value gases. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Donald L Rose, December 14, 1982: US04363361 (237 worldwide citation)

The combustible component of a gas stream of low heating value is combusted using less than a stoichiometric amount of oxygen with minor production of carbon monoxide due to the use of an oxygenation catalyst comprising at least three metals in a perovskite-type crystal structure. This combusted gas ...


5
Ajay M Madgavkar, Roger F Vogel, Harold E Swift: In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations. Gulf Research & Development Company, February 17, 1981: US04250962 (234 worldwide citation)

An integrated in situ combustion process for producing subterranean carbonaceous deposits in which the resulting flue gas of low heating value is combusted over an oxidation catalyst at substoichiometric conditions and is expanded in a gas turbine which drives the air compressor for injecting the co ...


6
Roger F Vogel, Ajay M Madgavkar, Harold E Swift: In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Donald L Rose, June 16, 1981: US04273188 (232 worldwide citation)

An integrated in situ combustion process for recovering subterranean liquid and solid carbonaceous deposits in which the resulting flue gas of low heating value is combusted at substoichiometric conditions over two different oxidation catalysts in two combustion zones in series and is expanded in a ...


7
Thomas V Harris, R Norm Reynolds Jr, Roger F Vogel, Donald S Santilli: Process for reducing haze point in bright stock. Chevron U, Timothy J Hadlock, Ernest A Schaal, April 18, 2000: US06051129 (30 worldwide citation)

A dewaxing process for lowering the haze point of a bright stock which includes contacting a bright stock in the presence of added hydrogen gas with a Zeolite EU-1 catalyst in combination with a ZSM-48 and/or SSZ-32 catalyst.


8
Bruce R Mitchell, Roger F Vogel: Vanadium passivation in a hydrocarbon catalytic cracking process. Gulf Research & Development Company, Deane E Keith Forrest D Stine, May 29, 1984: US04451355 (28 worldwide citation)

Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive as a vanadium passivating agent.


9
Roger F Vogel, Ajay M Madgavkar, Harold E Swift: Removing boron trifluoride from coordination compound contaminants in organic liquids. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Donald L Rose, February 21, 1984: US04433197 (19 worldwide citation)

Boron trifluoride is removed from coordination compounds contaminating organic liquids by contacting the contaminated liquid with silica. For example, boron trifluoride is removed from a boron trifluoride-n-butanol coordination compound contaminating a 1-olefin oligomer product by passing the contam ...


10
Gerald J Nacamuli, Roger F Vogel, Stacey I Zones: Aromatics and toluene/trimethylbenzene gas phase transalkylation processes. Chevron Chemical Co, David M Tuck, September 14, 1999: US05952536 (18 worldwide citation)

A gas phase, aromatics transalkylation process that comprises contacting a stream containing aromatic hydrocarbons with a catalyst comprising a zeolite selected from the group consisting of SSZ-26, Al-SSZ-33, CIT-1, SSZ-35, and SSZ-44 in the presence of added hydrogen and in the gas phase, to produc ...