1
James J Harrison: Polymeric dispersants having alternating polyalkylene and succinic groups. Chevron Research and Technology Company, C J Caroli, R C Gaffney, May 12, 1992: US05112507 (97 worldwide citation)

Novel copolymers of unsaturated acidic reactants and high molecular weight olefins wherein at least 20 percent of the total high molecular weight olefin comprises the alkylvinylidene isomer are useful as dispersants in lubricating oils and fuels and also may be used to prepare polysuccinimides and o ...


2
Richard E Cherpeck: Process for the preparation of polyisobutyl hydroxyaromatics. Chevron Research and Technology Company, C J Caroli, April 5, 1994: US05300701 (68 worldwide citation)

A process for the preparation of a polyisobutyl hydroxyaromatic compound which comprises alkylating a hydroxyaromatic compound in the presence of an acidic alkylation catalyst with a polyisobutene having a number average molecular weight in the range of about 300 to 5,000 and wherein the polyisobute ...


3
William R Ruhe Jr: Process for preparing polymeric dispersants having alternating polyalkylene and succinic groups. Chevron Research and Technology Company, C J Caroli, S R LaPaglia, December 29, 1992: US05175225 (64 worldwide citation)

A process for preparing an oligomeric copolymer of an unsaturated acidic reactant and a high molecular weight olefin having a sufficient number of carbon atoms such that the resulting copolymer is soluble in lubricating oil and wherein at least 20 weight percent of the total olefin comprises an alky ...


4
Curtis B Campbell: Synergistic fuel compositions. Chevron Research Company, C J Caroli, R C Gaffney, October 31, 1989: US04877416 (63 worldwide citation)

Disclosed is a synergistic fuel composition containing a hydrocarbyl-substituted amine or polyamine and a poly(oxyalkylene) monool. These compositions provide for an unexpected decrease in those deposits which have been correlated to Octane Requirement Increase (ORI).


5
James J Harrison, William R Ruhe Jr: Two-step free radical catalyzed process for the preparation of alkenyl succinic anhydride. Chevron Research and Technology Company, C J Caroli, February 15, 1994: US05286799 (54 worldwide citation)

A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises:


6
Thomas F Buckley III: Fuel compositions containing very long chain alkylphenyl poly(oxyalkylene) aminocarbonates. Chevron Research Company, C J Caroli, R C Gaffney, November 21, 1989: US04881945 (45 worldwide citation)

Disclosed is a fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from about 30 to about 5,000 parts per million of a fuel soluble alkylphenyl poly(oxyalkylene) aminocarbamate having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 ...


7
Richard E Cherpeck: Fuel additive compositions containing polyisobutenyl succinimides. Chevron Research and Technology Company, C J Caroli, February 28, 1995: US05393309 (36 worldwide citation)

A fuel additive composition comprising (a) a polyisobutenyl succinimide derived from ethylenediamine or diethylenetriamine, wherein the polyisobutenyl group has an average molecular weight of about 1200 to 1500 and (b) a nonvolatile paraffinic or naphthenic carrier oil, or a mixture thereof.


8
David L Beach, Paul G Bercik, Neal E Morganson: Alpha-olefin oligomers useful as base stocks and viscosity index improvers, and lubricating oils containing same. Chevron Research Company, R C Gaffney, C J Caroli, January 5, 1993: US05177276 (36 worldwide citation)

An alpha-olefin oligomer consisting essentially of repeating units having the structural formula: ##STR1## wherein x represents an integer from 3 to 11, inclusive; and


9
Joseph Z Pasky: Co-oligomerization of olefins. Chevron Research Company, S R La Paglia T G De Jonghe C J Caroli, May 29, 1984: US04451684 (31 worldwide citation)

Preparation of C.sub.20 -C.sub.40 branched-chain olefins by the co-oligomerization of C.sub.12 -C.sub.18 branched-chain internal olefins with C.sub.5 'C.sub.6 olefins by a process comprising (a) contacting a propylene oligomer feedstock having from 12 to 18 carbon atoms with a C.sub.5 -C.sub.6 olefi ...


10
Richard E Cherpeck, James D Kramer: Polyalkylpyrrolidines and fuel compositions containing the same. Chevron Chemical Company, S G K Lee, C J Caroli, March 7, 2000: US06033446 (27 worldwide citation)

A polyalklpyroroplidine compound of the formula: ##STR1## or a fuel-soluble salt thereof; wherein R.sub.1 is a polyalkyl group having an average molecular weight in the range of from about 500 to 5,000;