Donald S Santilli, Mohammad M Habib, Thomas V Harris, Stacey I Zones: Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons. Chevron Research and Technology Company, Fliesler Dubb Meyer & Lovejoy, February 1, 1994: US05282958 (111 worldwide citation)

A process is disclosed for dewaxing a hydrocarbon feed to produce a dewaxed lube oil. The feed includes straight chain and slightly branched chain paraffins having 10 or more carbon atoms. In the process the feed is contacted under isomerization conditions with an intermediate pore size molecular si ...

Kenneth D Hope, Michael S Driver, Thomas V Harris: High viscosity polyalphaolefins prepared with ionic liquid catalyst. Chevron Chemical Company, Charles W Stewart, May 28, 2002: US06395948 (50 worldwide citation)

A process for preparing very high viscosity polyalphaolefins using an acidic ionic liquid oligomerization catalyst in the absence of an organic diluent and the products formed thereby.

Thomas V Harris, Curt B Campbell, Mohammed M Habib: Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon. Chevron Chemical Company, Ernest A Schaal, July 13, 1999: US05922922 (45 worldwide citation)

An alkylated aromatic hydrocarbon is produced having the following properties: (a) less than 40 wt. % of the alkylated aromatic hydrocarbon is 2-aryl; and (b) at least 20 wt. % of the alkylated aromatic hydrocarbon is a monoalkylate. That alkylated aromatic hydrocarbon is produced by isomerizing a n ...


Saleh Elomari, Thomas V Harris: Zeolite SSZ-55. Chevron U, Penny L Prater, Timothy J Hadlock, November 5, 2002: US06475463 (33 worldwide citation)

The present invention relates to new crystalline zeolite SSZ-55 prepared using a phenylcycloalkylmethyl ammonium or N-cyclohexyl-N-(2-methylpropyl)pyrrolidinium cation templating agents.

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.

Cong Yan Chen, William L Schinski, Dennis J O Rear, Thomas V Harris: Method of making dimethylnaphthalenes. Chevron Chemical Company, Timothy J Hadlock, September 21, 1999: US05955641 (29 worldwide citation)

The method of the invention includes making dimethyinaphthalenes by first contacting, in an alkylation zone, at alkylation conditions, a toluene-containing stream with a pentene-containing stream in the presence of an acid alkylation catalyst. At least a portion of the toluene and pentenes react to ...

Thomas V Harris, Michael Driver, Saleh Elomari, Hye Kyung C Timken: Alkylation process using an alkyl halide promoted ionic liquid catalyst. Chevron U, Susan M Abernathy, Steven H Roth, May 12, 2009: US07531707 (28 worldwide citation)

A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The alkylation process comprises contacting a hydrocarbon mixture comprising at least one olefin ...

Thomas V Harris, Cyrus A Irani, Wayne R Pretzer: Enhanced oil recovery using CO.sub.2 flooding. Chevron Research Company, Edward J Keeling, Ernest A Schaal, April 3, 1990: US04913235 (27 worldwide citation)

A method of increasing the viscosity of CO.sub.2 at least three-fold by adding (1) a viscosifying amount of a polymer having a Minimum Solubility Parameter of 6.85 or less and a plurality of electron donor atoms selected from the group consisting of O, N, and S, and (2) a sufficient amount of a coso ...

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.