41
Dennis L Holtermann, Warren E Brown: Method for removing sulfur to ultra low levels for protection of reforming catalysts. Chevron Research and Technology Company, Burns Doane Swecker & Mathis, June 21, 1994: US05322615 (28 worldwide citation)

Provided is a method for removing residual sulfur from a hydrotreated naphtha feedstock. The process comprises contacting the naphtha feedstock with a first solid sulfur sorbent comprising a metal on a support to thereby form a first effluent. The effluent is then contacted with a sulfur conversion ...


42
James J Styne: Spraying device with a replaceable cartridge. Chevron Research and Technology Company, Edward J Keeling, Matt W Carson, May 25, 1993: US05213264 (27 worldwide citation)

A spraying device having a sprayer head and an interchangeable, disposable, recyclable and/or biodegradable, and attachable cartridge, capable of diluting and dispensing a chemical. The device has a rotatable barrel valve to select whether to fill the cartridge, spray the diluted chemical, or preven ...


43
William A Sweeney: Process for making 1-hexene from 1-butene. Chevron Research and Technology Company, Richard J Sheridan, Tom G DeJonghe, October 15, 1991: US05057638 (26 worldwide citation)

Disclosed is a process for preparing 1-hexene from 1-butene. The 1-butene is metathesized to produce 3-hexene which is then subjected to, e.g., an hydration/dehydration procedure to produce a mixture of n-hexenes containing 1-hexene.


44
Stacey I Zones, Thomas V Harris, Andrew Rainis, Donald S Santilli: Zeolite SSZ-31. Chevron Research and Technology Company, T G De Jonghe, C E Rincon, April 21, 1992: US05106801 (26 worldwide citation)

A crystalline zeolite SSZ-31 is prepared by various methods using quaternary ammonium ion templates.


45
K T Liu, William Rieken, J P Anduiza, G E Kouba: Method and apparatus for measuring multiphase flows. Chevron Research and Technology Company a Division of Chevron U, M W Carson, June 18, 1996: US05526684 (26 worldwide citation)

A self-regulating apparatus and method for measuring the components of a multiphase petroleum stream includes initially stratifying an incoming petroleum stream into substantially liquid and gas streams. The initial fluid stratification allows a flow-splitting separation to occur as the streams firs ...


46
John V Heyse, Paul G Johnson, Bernard F Mulaskey: Dehydrogenation processes, equipment and catalyst loads therefor. Chevron Research and Technology Company, Burns Doane Swecker & Mathis, April 11, 1995: US05406014 (25 worldwide citation)

Disclosed are methods for dehydrogenation of alkanes into alkenes in reactor systems of improved resistance to carburization under dehydrogenation conditions. The reactor walls are provided with a carburization and abrasion resistant protective layer by applying a metal plating, cladding or other co ...


47
George R Stowe III: Method for improving the steam splits in a multiple steam injection process using multiple steam headers. Chevron Research and Technology Company, Edward J Keeling, Ernest A Schaal, October 15, 1991: US05056597 (25 worldwide citation)

A method id disclosed for enhancing the uniformity of steam distribution in a multiple steam injection system having a steam generator, a primary steam header, at least one secondary steam header, a primary steam line connecting the generator to the primary header, at least one secondary steam line ...


48
Charles F Guthrie, Lawrence W Jossens, James V Kennedy, John A Paraskos: Process for the demetallization of FCC catalyst. Chevron Research and Technology Company, V J Cavalieri, W K Turner, November 9, 1993: US05260240 (25 worldwide citation)

A process is disclosed for passivating the reactivity of contaminant metals, such as nickel and vanadium, which have been deposited on a catalytic cracking catalyst, by adding to the cracking catalyst a mixture of a calcium-containing material and a magnesium-containing material in a separate reacto ...


49
Stacey I Zones, James N Ziemer, Donald S Santilli, Robert A Innes, Dennis L Holtermann: Hydrocarbon conversion process using zeolite SSZ-32 as catalyst. Chevron Research and Technology Company, V J Cavalieri, A W Klaassen, April 5, 1994: US05300210 (25 worldwide citation)

A crystalline zeolite SSZ-32 of novel composition is prepared using an N-lower alkyl-N'-isopropyl-imidazolium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-32.


50
Manuch Nikanjam, Richard F Sullivan: Low emissions diesel fuel. Chevron Research and Technology Company, V J Cavalieri, February 14, 1995: US05389112 (25 worldwide citation)

A low emissions diesel fuel with prescribed levels of aromatics and cetane number is disclosed which, when combusted in a diesel engine, results in lower emissions than the California Reference diesel fuel.