1
Michael E Landis, Brent A Aufdembrink, Pochen Chu, Ivy D Johnson, Garry W Kirker, Nancy M Page, Mae K Rubin: Layered metal chalcogenides containing interspathic polymeric chalcogenides. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, Laurence P Hobbes, August 22, 1989: US04859648 (70 worldwide citation)

Layered chalcogenide materials of high thermal stability and surface area which contain interspathic polymeric chalcogenides such as polymeric silica are prepared by ion exchanging a layered metal oxide, such as layered titanium oxide, with organic cation, to spread the layers apart. A compound such ...


2
Jeffrey S Beck, Cynthia T Chu, Ivy D Johnson, Charles T Kresge, Michael E Leonowicz, Wieslaw J Roth, James C Vartuli: Synthesis of mesoporous crystalline material. Mobil Oil, Alexander J McKillop, Charles J Speciale, Dennis P Santini, April 28, 1992: US05108725 (48 worldwide citation)

This invention relates to a method for synthesizing a new synthetic composition of ultra-large pore crystalline material which can be used as a sorbent or catalyst component for conversion of organic and inorganic compounds. The crystalline material product of this method exhibits unusually large so ...


3
Ivy D Johnson, Garry W Kirker, Michael E Landis, Margaret M Wu: Oligomerization of alpha-olefins over layered silicate compositions containing pillars of silica and group VIB metal oxide. Mobil Oil Corporation, Alexander J McKillop, Dennis P Santini, Laurence P Hobbes, September 7, 1993: US05243114 (48 worldwide citation)

There is provided a method for preparing alpha-olefin oligomers of superior lubricating properties by contacting an alpha-olefin feed under oligomerization conditions with a catalyst comprising an activated layered silicate containing silica and oxide of Group VIB metal, e.g., Cr, between its layers ...


4
Arthur A Chin, Ivy D Johnson, Charles T Kresge, Michael S Sarli: Additive for vanadium capture in catalytic cracking. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, Malcolm D Keen, December 26, 1989: US04889615 (37 worldwide citation)

A catalytic cracking process especially useful for the catalytic cracking of high metals content feeds including resids in which the feed is cracked in the presence of a catalyst additive comprising a dehydrated magnesium-aluminum hydrotalcite which acts as a trap for vanadium as well as an agent fo ...


5
Nazeer A Bhore, Ivy D Johnson, Kathleen M Keville, Quang N Le, Grant H Yokomizo: Catalytic oligomerization process using modified mesoporous crystalline material. Mobil Oil Corporation, Alexander J McKillop, Malcolm D Keen, L G Wise, November 9, 1993: US05260501 (30 worldwide citation)

A novel oligomerization catalyst and process for upgrading olefins employing new synthetic catalyst of ultra-large pore crystalline material. The new crystalline material exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene ...


6
Thomas F Degnan, Ivy D Johnson, Kathleen M Keville: Method for manufacturing synthetic mesoporous crystalline material. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, Robert B Furr Jr, October 20, 1992: US05156828 (18 worldwide citation)

This invention relates to a method for synthesizing an ultra-large pore crystalline material and the use of such crystalline material as a sorbent and in catalytic conversion of organic and inorganic compounds. The synthesis method includes hydrothermally treating the as-synthesized crystalline mate ...


7
Jeevan S Abichandani, Jeffrey S Beck, Ronald H Fischer, Ivy D Johnson, David L Stern: Continuous toluene disproportionation process. Mobil Oil Corporation, P W Roberts, M D Keen, April 29, 1997: US05625103 (17 worldwide citation)

There is provided a continuous toluene disproportionation process to selectively produce para-xylene. The process includes a steady-state of operation, wherein the conversion of toluene and selectivity to para-xylene is maintained at essentially constant target levels. Prior to such a steady-state o ...


8
Ivy D Johnson: Silica-alumina-organic amine product, its synthesis and use in zeolite production. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, Marina V Schneller, May 5, 1992: US05110573 (17 worldwide citation)

The invention relates to the synthesis of a precursor containing silicon and aluminun and an organic directing agent for zeolite syntheses and its use in zeolite production.


9
Ivy D Johnson, John P McWilliams: Method for synthesizing mesoporous crystalline material using acid. Mobil Oil, Alexander J McKillop, Charles J Speciale, Dennis P Santini, May 12, 1992: US05112589 (17 worldwide citation)

A method for synthesizing an ultra-large pore crystalline material which can be used as a sorbent or catalyst component for conversion of organic and inorganic compound is improved through the addition of a strong acid to the reaction mixture.


10
Iraj Rahmim, Albin Huss Jr, Daria N Lissy, Donald J Klocke, Ivy D Johnson: Highly selective n-olefin isomerization process using microcrystalline ZSM-22. Mobil Oil Corporation, Alexander J McKillop, Charles J Speciale, Laurence P Hobbes, October 20, 1992: US05157194 (15 worldwide citation)

A process is disclosed for the highly selective skeletal isomerization of linear olefin-containing organic feeds to iso-olefins at high levels of feed conversion wherein linear olefins, e.g., n-butenes, are contacted with catalyst comprising ZSM-22 having a crystal size whose largest dimension is no ...