Texaco Inc.

Harry Chafetz

Kenneth G Hammond

Raymond C Schlicht

Robert A Sawicki

William P Cullen

Stephen A Levine

Christopher S Liu

Gary D Lee

Rodney L Sung

Benjamin J Kaufman

John M Larkin

Theodore E Nalesnik

Benjamin H Zoleski

Maria M Kapuscinski

Richard F Love

Robert T Biggs

James O Waldbillig

Brian L Papke

Edwin L Patmore

Edward F Miller

James R Whiteman

Walter D Foucher, Jr

Walter W Hellmuth

Cullen William P

Miller, Edward F

William R Siegart

John W Hodge

Thomas A Kennedy

Lubricating oil composition containing the reaction product of an

A lower alkanol, such as methanol is oxycarbonylated with carbon monoxide and oxygen to yield e.g. dimethyl carbonate at 50.degree. C.-125.degree. C. and 300-1500 psig in the presence of as catalyst, a functionalized inorganic oxide substrate (such as silica gel) typically bearing on the surface thereof a ligand of ethyl formate and 3-aminopropyl triethoxy silane--which has been reacted with a metal salt such as CuCl.sub.2.

Process for oxycarbonylation of lower alkanols

An additive composition prepared by reacting a polymer prepared from ethylene and at least one C.sub.3 -C.sub.10 alpha-monoolefin and optionally a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene from about 20 to 85 mole percent of said C.sub.3 -C.sub.10 alpha-monoolefin and from about 0 to 15 mole percent of said polyene and having an average molecular weight ranging from about 5,000 to 500,000 with a nitrosodiphenylamine compound represented by the formula: ##STR1## in which R and R.sup.1 represent hydrogen or an alkyl, alkenyl, or alkoxyl radical having from 1 to 8 carbon atoms, and a lubricating oil composition containing same is provided.

Dispersant anti-oxidant VI improver and lubricating oil composition

A novel catalyst system useful in preparation of dimethyl carbonate is prepared by complexing a metal salt such as cupric chloride CuCl.sub.2 with a ligand formed by reacting a carbonyl-containing organic compound such as ethyl formate with an organosilicon compound containing alkoxy and amine fucntionality, such as 3-aminopropyltriethoxysilane.

Novel ligand catalyst systems formed by reaction of carbonyl compounds

A novel ligand system useful in preparation of dimethyl carbonate is prepared by complexing a metal salt such as cuprous chloride Cu.sub.2 Cl.sub.2 with a ligand formed by reacting a carbonyl-containing compound such as ethyl formate with an organosilicon compound such as ethyl formate with an organosilicon compound containing alkoxy and amine functionality, such as 3-aminopropyltriethoxysilane or [3-(2-aminoethyl)aminopropyl]trimethoxysilane.

Motor oil dispersants are disclosed which are made by heating alkenyl succinic anhydrides in the presence of bases and heating the resulting products with a polyamine H.sub.2 N(RNH).sub.n H or a polyamine alcohol HO(RNH).sub.n H. Also disclosed are motor oils containing from 0.10 to 10.00 weight percent of at least one such dispersant.

Spirolactone condensation product dispersants and lubricants containing

Disclosed are novel compounds prepared by the reaction of an adduct of a phosphosulfurized polyisoalkylene or alpha olefin with an acidified hexavalent molybdenum salt which give enhanced copper corrosion protection relative to the non-molybdenum treated adducts when incorporated in lubricants. Also disclosed is the combination of such compounds with a zinc dialkyldithiophosphate, which combination imparts to lubricants an oxidation inhibition greater than is obtainable with either the zinc dialkyldithiophosphate or the molybdenum-containing adduct alone.

Molybdenum derivatives and lubricants containing same

As a detergent and corrosion inhibiting fuel additive, the product resulting from the condensation reaction of a C.sub.9 to C.sub.30 alkenylsuccinic anhydride in the presence of a base to form an intermediate spirodilactone followed by the reaction of the intermediate spirodilactone with diethylenetriamine and a fuel composition containing same.

Detergent and corrosion inhibitor and motor fuel composition containing

This invention concerns dispersant-VI improvers prepared by reacting a polyamine-derived dispersant with an oxidized ethylene-propylene polymer or ethylene-propylene-diene terpolymer. The products thus formed have a dispersancy superior to that obtained by separately blending the reactants in a lubricating oil. Also disclosed are oils containing the present dispersant-VI improvers.

Novel dispersant-VI improvers and lubricating oil containing same

A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R.sup.i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R.sup.ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, X has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 5, and X is a halide radical is provided, as well as a method of preparation and a lubricating oil composition containing same.

Quaternary ammonium succinimide salt composition and lubricating oil

A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R.sub.1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R.sub.2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical is provided, as well as a method of preparation and a lubricating oil composition containing same.

A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R.sub.1 is a divalent hydrocarbon radical having from 3-10 carbon atoms, R.sub.2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 and X is a halide radical is provided, as well as a method of preparation and a lubricating oil composition containing same.

A method for producing an alkenylsuccinic anhydride by reacting a mixture of an olefin polymer with maleic anhydride, the improvement which comprises reacting said reaction mixture at a temperature in the range of 100.degree. to 300.degree. C. while contacting said mixture with an oxygen-containing gas during said reaction.

Process for the manufacture of an alkenylsuccinic anhydride

Disclosed are molybdenum derivatives of high molecular weight alkenylsuccinimides and lubricant compositions containing such derivatives which impart dispersant, oxidation inhibition, anti-wear and friction-reducing properties to these compositions.

Dispersant alkenylsuccinimides containing oxy-reduced molybdenum and

Disclosed are multipurpose lubricant additives which are prepared by reaction of carbon disulfide with thiomolybdenum derivatives of polyalkenylsuccinimides having basic nitrogen functions. The subject additives function as dispersants possessing excellent anti-frictional properties and impart anti-wear and anti-oxidant properties to a lubricant.

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Poughkeepsie, NY, United States of America

Harry Chafetz