1
Jacob Emert, Albert Rossi, Salvatore Rea, Jeffrey W Frederick, Mahn W Kim: Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives. Exxon Chemical Patents, Harvey L Cohen, March 12, 1996: US05498809 (151 worldwide citation)

The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and ethylene-derived content of not greater than abo ...


2
Albert Rossi, Salvatore Rea, Jon Edmond Stanat, Linda Kay Wright, Kenneth Lee Kaufman, Harold Wilbur Margo, Jeffery William Frederick, Robert Martin Koros: Dilute process for the polymerization of ethylene/.alpha.-olefin copolymer using metallocene catalyst systems. Exxon Chemical Patents, Harvey L Cohen, January 6, 1998: US05705577 (66 worldwide citation)

An improved process for the copolymerization of ethylene and .alpha.-olefins utilizing highly dilute .alpha.-olefin feedstreams to effect high conversions and catalyst productivities. The instant invention is particularly adaptable to copolymerizing the .alpha.-olefin content of commercially availab ...


3
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 ...


4
Jacob Emert, Albert Rossi, Salvatore Rea, Jeffrey William Frederick, Mahn Won Kim: Polymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant additives. Exxon Chemical Patents, February 29, 2000: US06030930 (28 worldwide citation)

The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and ethylene-derived content of not greater than abo ...


5
Jacob Emert, Albert Rossi, Salvatore Rea, Jeffrey William Frederick, Mahn Won Kim: Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives. Exxon Chemical Patents, K R Walton, H L Cohen, September 2, 1997: US05663130 (23 worldwide citation)

The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and ethylene-derived content of not greater than abo ...


6
Gary Higton, Jacob Emert, Robert A Wilkinson, Isabel P MacDonald, Karl J Van Driesen, Salvatore Rea, James P Stokes, Andrew J D Ritchie: High molecular weight dispersant compositions and their preparation. Exxon Chemicals Patents, October 30, 2001: US06310010 (11 worldwide citation)

Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surface-active agent comprising a low molecular weight hydroxyl or ...


7
Albert Rossi, Salvatore Rea: Trisubstituted unsaturated polymers. Exxon Chemical Patents, Harvey L Cohen, September 10, 1996: US05554310 (9 worldwide citation)

The invention pertains to olefinically unsaturated polymers wherein at least a portion of the olefinic unsaturation has three hydrocarbyl substituents attached to the two carbons of an olefinic unsaturation (i.e., trisubstituted vinyl). The invention is an H.sub.2 C=CHR .alpha.-olefin polymer compos ...


8
Rolfe J Hartley, Salvatore Rea, Malcolm Waddoups: Lubricating oil composition for outboard engines. Infineum International, November 4, 2003: US06642188 (5 worldwide citation)

The lubricating compositions of the present invention are designed for use in a four stroke outboard marine engine and contain an oil of lubricating viscosity, an ashless dispersant, a metal detergent, a rust inhibitor, a relatively high amount of ZDDP, and an amount of a molybdenum compound suffici ...


9
David C Dankworth, Chris F Meyer, William B Eckstrom, Ramesh R Hemrajani, Salvatore Rea, Jon E Stanat: Process for the continuous production of functionalized polymers. Exxon Chemical Patents, Koch Glitsch, Ohlandt Greeley Ruggiero & Perle, March 14, 2000: US06037445 (4 worldwide citation)

A continuous process for functionalizing polymers is disclosed, wherein (A) a liquid comprising the polymer and a gas comprising a functionalizing agent are continuously introduced into a dispersing zone operated in laminar flow with high intensity mixing of the liquid and the gas under functionaliz ...


10
Rolfe J Hartley, Salvatore Rea, William H Stover: Combustion improving additive for small engine lubricating oils. Infineum International, February 25, 2003: US06525004 (2 worldwide citation)

There are disclosed novel reaction products of a borated hydrocarbyl succinimide dispersant and a phosphorus compound selected from the group consisting of (i) zinc dialkyldithiophosphates and (ii) amine salts of acid phosphates which are highly effective combustion improver additives for use in two ...