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John A Ewen, Howard C Welborn Jr: Process and catalyst for producing reactor blend polyolefins. Exxon Research & Engineering Company, M B Kurtzman, June 26, 1990: US04937299 (320 worldwide citation)

Polyolefin reactor blends obtained by polymerization of ethylene and higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes and alumoxane.


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John A Ewen, Howard C Welborn Jr: Process and catalyst for producing polyethylene having a broad molecular weight distribution. Exxon Research & Engineering Company, M B Kurtzman, June 19, 1990: US04935474 (116 worldwide citation)

Polyolefins having a broad molecular weight distribution are obtained by polymerizing ethylene or higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes each having different propagation and termination rate constants and alumoxane.


3
William C Baird Jr, Roby Bearden Jr, Thomas H Ledford: Hydroconversion with group IA, IIA metal compounds. Exxon Research & Engineering Company, Marthe L Gibbons, November 28, 1978: US04127470 (79 worldwide citation)

Processes for the treating of sulfur-containing petroleum oil feedstocks employing alkali metal compounds, alkaline earth metal compounds, and mixtures thereof are disclosed. Specifically, processes for hydrotreating feedstocks which have been previously partially desulfurized using conventional hyd ...


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Guido Sartori, Win Sow W Ho, Robert E Noone, Bruce H Ballinger: Fluorinated polyolefin membranes for aromatics/saturates separation. Exxon Research Engineering Company, Ronald D Hantman, March 7, 1995: US05396019 (71 worldwide citation)

The present invention includes the use of crosslinked fluorinated polyolefin membranes membranes for the separation of aromatics from saturates, wherein aromatics can contain sulfur and nitrogen.


5
Darrell W Brownawell, Paul K Ladwig: Method for rejuvenating lubricating oils. Exxon Research & Engineering Company, John W Ditsler, December 3, 1991: US05069799 (66 worldwide citation)

A filter system containing, in series, a first filter media having a chemically active filter media, a physically active filter media, or mixtures thereof and a second filter media having an inactive filter media can effectively rejuvenate used lubricating oils. In a preferred embodiment, the chemic ...


6
Paul Joseph Berlowitz, Bruce Randall Cook, Robert J Wittenbrink: Synthetic diesel fuel and process for its production. Exxon Research & Engineering Company, Jay Simon, November 18, 1997: US05689031 (56 worldwide citation)

Clean distillate useful as a diesel fuel or diesel blending stock is produced from Fischer-Tropsch wax by separating wax into heavier and lighter fractions; further separating the lighter fraction and hydroisomerizing the heavier fraction and that portion of the light fraction below about 500.degree ...


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Stephen J Hsia: External catalyst rejuvenation system for the hydrocarbon synthesis process. Exxon Research & Engineering Company, Joseph J Allocca, November 9, 1993: US05260239 (48 worldwide citation)

Catalyst which has become deactivated during a hydrocarbon synthesis (HCS) process is reactivated - rejuvenated using an external reactivation - rejuvenation vessel resulting in a multiple HCS reaction - catalyst rejuvenation reactor vessel design. Flow of the catalyst is synthesis product slurry fr ...


10
Lawrence Spenadel, Joel H Grosser, Stephen M Dwyer: Elastomer polymer blends. Exxon Research & Engineering Company, W G Muller, April 30, 1991: US05011891 (45 worldwide citation)

The present invention relates to compositions comprising at least one elastomer and at least one plastic. The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.