1
Albert Rossi, Salvatore Rea, Jon E Stanat, Linda K Wright, Kenneth L Kaufman, Jeffrey W Frederick, Robert Martin Koros, Harold Wilbur Margo: Dilute process for the polymerization of non-ethylene .alpha.-olefin homopolymers and copolymers using metallocene catalyst systems. Exxon Chemical Patents, J F Hunt, H L Cohen, January 12, 1999: US05859159 (59 worldwide citation)

An improved process for the homopolymerization and copolymerization of .alpha.-olefins utilizing highly dilute .alpha.-olefin feedstreams to effect high conversions and catalyst efficiencies in the production of non-ethylene copolymers. The instant invention is particularly adaptable to polymerizing ...


2
William B Diana, Joseph V Cusumano, Keith R Gorda, Jacob Emert, William B Eckstrom, David C Dankworth, Jon E Stanat, James P Stokes: Dispersant additives and process. Exxon Chemical Patents, K R Walton, J B Murray Jr, August 10, 1999: US05936041 (52 worldwide citation)

The invention pertains to improved lubricating oil dispersants wherein a fractionating polymer is prepared prior to functionalization (e.g., in the Koch reaction) for making dispersant additives. In one aspect, it was discovered that by fractionating a polymer to remove light hydrocarbon and unreact ...


3
Tze Chiang Chung, Frank J Chen, Jon E Stanat, Alok Kumar: Immobilized Lewis Acid catalysts. Exxon Chemical Patents, Harvey L Cohen, October 8, 1996: US05563313 (39 worldwide citation)

Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula:


4
David C Dankworth, William H Cross, Joseph V Cusumano, William D Diana, William B Eckstrom, Jacob I Emert, Keith R Gorda, Robert M Koros, Harold W Margo, Jon E Stanat: Continuous process for production of functionalized olefins. Exxon Chemical Patents, K R Walton, J F Hunt, July 22, 1997: US05650536 (30 worldwide citation)

A continuous process for functionalizing olefins, especially polymer olefins in a CSTR or pipe reactor. Esters are preferably produced by continuous reaction of the olefin with carbon monoxide and a nucleophilic trapping agent. The liquid-filled pipe reactor operates in plug flow with static mixers ...


5
Tze Chiang Chung, Frank J Y Chen, Jon E Stanat, Alok Kumar: Immobilized lewis acid catalysts. Exxon Chemical Patents, Harvey L Cohen, November 5, 1996: US05571885 (29 worldwide citation)

Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula:


6
Tze Chiang Chung, Frank J Chen, Jon E Stanat, Alok Kumar: Immobilized Lewis acid catalysts. Exxon Chemical Patents, John F Hunt, February 22, 1994: US05288677 (24 worldwide citation)

Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: ##STR1## wherein a represents about 1 to about 99 mole % b represents about 0 to about 50 mole %


7
Jon E Stanat, Georges M K Mathys, David Wayne Turner, Jane C Cheng, Stephen W Beadle, Cesar M Cheng Guajardo, Roger Eijkhoudt, Allen D Godwin, Ernest E Green, Charles M Yarbrough, Raphael Frans Caers, Carolyn B Duncan, Ramzi Y Saleh: Oligomerization of olefins. ExxonMobil Chemical Patents, Andrew B Griffis, September 16, 2008: US07425662 (12 worldwide citation)

A selectivated molecular sieve, e.g., ZSM-22 or ZSM-23, is used as olefin oligomerization catalyst to provide product, e.g., octenes and dodecenes from butene, having a low degree of branching and hindered double bonds.


8
Joseph V Cusumano, David C Dankworth, William D Diana, William B Eckstrom, Jacob I Emert, Keith R Gorda, Antonio Gutierrez, Jon E Stanat, Warren A Thaler, Stephen Zushma: Lubricating oil dispersants derived from heavy polyamine. Exxon Chemical Patents, Ohlandt Greeley Ruggiero & Perle, December 29, 1998: US05854186 (9 worldwide citation)

A Koch functionalized product, which is the reaction product of at least one hydrocarbon with carbon monoxide and a nucleophilic trapping agent is derivatized with a heavy polyamine. A heavy polyamine is a mixture of polyamines comprising small amounts of lower polyamine oligomers such as tetraethyl ...


9
Jacob I Emert, Joseph V Cusumano, David C Dankworth, William D Diana, William B Eckstrom, Keith R Gorda, Antonio Gutierrez, Jon E Stanat, Warren A Thaler, Stephen Zushma: Dispersants derived from heavy polyamine and second amine. Exxon Chemical Patents, K R Walton, J F Hunt, May 26, 1998: US05756431 (9 worldwide citation)

A Koch functionalized product, which is the reaction product of at least one hydrocarbon with carbon monoxide and a nucleophilic trapping agent, is derivatized with a heavy polyamine and a second amine. The hydrocarbon is a hydrocarbon compound or a hydrocarbon polymer. A heavy polyamine is a mixtur ...


10
Tze Chiang Chung, Frank J Chen, Jon E Stanat, Alok Kumar: Immobilized Lewis acid catalysts. Exxon Chemical Patents, H L Cohen, May 9, 1995: US05414177 (8 worldwide citation)

Immobilized Lewis acid catalysts comprising a polymer having at least one Lewis acid immobilized within the polymer structure, said polymer having the monomer units represented by the structural formula: ##STR1## where D is OR', NH.sub.2, NHR', OM' or OM"; E is at least one Lewis acid residue, R is ...