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Donald S Santilli: Computer keyboard pointing device. October 7, 1997: US05675361 (182 worldwide citation)

A device provides pointing device functions in a keyboard without requiring a keyboard operator to move his hands from their normal typing positions. Position sensitive elements at the top surfaces of a set of keys are used together to provide a large touch surface to allow accurate pointing. The po ...


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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 (110 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 ...


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Stacey I Zones, Donald S Santilli, James N Ziemer, Dennis L Holtermann, Theresa A Pecoraro, Robert A Innes: Zeolite SSZ-26. Chevron Research Company, T G De Jonghe, V J Cavalieri, March 20, 1990: US04910006 (91 worldwide citation)

A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.


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Donald S Santilli, Stacey I Zones: Selective conversion of methanol to low molecular weight olefins over high silica SSZ-13 zeolite. Chevron Research Company, J A Buchanan Jr, S R La Paglia, January 29, 1985: US04496786 (38 worldwide citation)

A process for the conversion of methanol to olefins by contacting an methanol-containing feedstock with an SSZ-13 under methanol conversion conditions.


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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.


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Stacey I Zones, Donald S Santilli: Hydrocarbon conversion processes using zeolite SSZ-41. Chevron U, R J Sheridan, August 12, 1997: US05656149 (29 worldwide citation)

The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from about 2 wt % to about 5 wt % of zinc metal based on the total weight of metals in said zeolite. Zeolite ...


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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.


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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.


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