1
John F McGuire, J Steven Hurt, Ronald L Wilkerson: Automotive diagnostic system. Chevron Research Company, D A Newell, E J Keeling, September 13, 1983: US04404639 (169 worldwide citation)

A method and apparatus are disclosed for facilitating the diagnosis and servicing of automotive vehicles wherein a communicating network computer interfaces between a plurality of service agencies and a vehicle data base plus a record storage system. The service agencies have diagnostic test equipme ...


2
Marion G Reed, Joseph Jaffe: Hydrocarbon hydroconversion process employing hydroxy-aluminum stabilized catalysts supports. Chevron Research Company, D A Newell, R H Davies, D L Hagmann, November 29, 1977: US04060480 (121 worldwide citation)

The disclosure provides a novel catalyst support, a method of making said support by treatment of prior art crystalline catalyst supports with hydroxy-aluminum solution and hydrocarbon conversion processes wherein the catalyst used therein includes said support.


3
Robert A Lewis, Lewis R Honnen: Fuel compositions of poly(oxyalkylene) aminocarbamate. Chevron Research Company, D A Newell, S R LaPaglia, March 4, 1980: US04191537 (107 worldwide citation)

Fuel compositions for internal combustion engines are provided which contain deposit control additives which maintain cleanliness of intake systems without contributing to combustion chamber deposits. The additives are poly(oxyalkylene) aminocarbamates comprising a hydrocarbyl-terminated poly(oxyalk ...


4
Arthur J Dahlberg, John H Shinn, Joel W Rosenthal, Tim T Chu: Two-step hydroprocessing of heavy hydrocarbonaceous oils. Chevron Research Company, D A Newell, S R La Paglia, S H Roth, June 21, 1983: US04389301 (92 worldwide citation)

A heavy hydrocarbonaceous oil feed is hydrogenated in a two-stage process by contacting the oil with hydrogen in the presence of added dispersed hydrogenation catalyst, suspended in the oil, and porous solid contact particles. At least part of the normally liquid product from the first stage is hydr ...


5
Lewis M Fraas: Multilayer photovoltaic cell. Chevron Research Company, D A Newell, E J Keeling, A Stephen Zavell, June 1, 1982: US04332974 (83 worldwide citation)

A new high efficiency, multijunction photovoltaic solar cell for use with a concentrating lens. This cell comprises an elemental single crystal substrate without an internal light sensitive junction, upon which are two or more successive homogenous layers of semiconductor material, each layer contai ...


6
Jerome F Mayer, Stephen J Miller, Dennis J O Rear: Production of lubricating oils. Chevron Research Company, D A Newell, W H Hooper, W L Stumpf, August 31, 1982: US04347121 (81 worldwide citation)

A process is provided for preparing stable lubricant oil stocks, comprising hydrocracking a hydrocarbonaceous feed to produce a hydrocrackate having a total nitrogen content of less than about 10 ppm by weight, followed by dewaxing and stabilizing the hydrocrackate.


7
Clifford M Detz, Leslie A Field: Benzene synthesis. Chevron Research Company, D A Newell, S R La Paglia, W L Stumpf, August 31, 1982: US04347394 (71 worldwide citation)

A process for selectively producing benzene using intermediate pore size zeolites substantially free of acidity is disclosed.


8
Arthur J Dahlberg, John H Shinn, Joel W Rosenthal, Tim T Chu: Hydroprocessing of heavy hydrocarbonaceous oils. Chevron Research Company, D A Newell, A H Uzzell, S H Roth, March 8, 1983: US04376037 (68 worldwide citation)

A heavy hydrocarbonaceous oil feed is hydrogenated in a one or two stage process by contacting the oil with hydrogen in the presence of added dispersed hydrogenation catalyst, suspended in the oil, and porous solid contact particles. In the two stage process, at least part of the normally liquid pro ...


9
David S Mitchell, David R Sageman: Countercurrent plug-like flow of two solids. Chevron Research Company, D A Newell, R H Davies, R H Evans, June 5, 1979: US04157245 (68 worldwide citation)

A process is disclosed for contacting at least two solids and a fluid, particularly for retorting and/or gasification of solid carbonaceous materials such as coal, coke, shale or tar sands by introducing a solid heat-transfer material into an upper portion of a treatment or contacting zone and a sol ...


10
John M King, Louis deVries: Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same. Chevron Research Company, D A Newell, S R LaPaglia, V J Cavalieri, April 21, 1981: US04263152 (67 worldwide citation)

Antioxidant additives for lubricating oil are prepared by combining water, an acidic molybdenum compound, a basic nitrogen compound complex and a sulfur source to form a sulfur- and molybdenum-containing composition.