Patents Represented by Attorney J. B. Murray, Jr.
  • Patent number: 5071576
    Abstract: A lubricant oil additive comprising a liquid vehicle and an overbased mixture of (A), a metal phenate, (B) a long chain metal alkyl aryl sulphonate and optionally, (C) a medium long chain metal alkyl aryl sulphonate shows an improved storage stability.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: December 10, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Marc R. Vernet, Graham W. Hamey
  • Patent number: 5057617
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy thiol.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: October 15, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg
  • Patent number: 5049290
    Abstract: This invention is to lubricating or fuel oil compositions containing amine compatibility aids.The amine compatibility additives are especially useful in stabilizing (or "compatibilizing") concentrates, lubricating oil or fuel oil compositions which contain copper antioxidants, high molecular weight dispersants, high total base number detergents, and various antiwear friction modifier materials. These materials may, in some circumstances, replace at least a portion of previously used compatibility aids and antioxidants.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: September 17, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Malcolm Waddoups
  • Patent number: 5043083
    Abstract: The present invention is directed to methods of producing reduced viscosity oleaginous compositions containing Group I-B, II-A and II-B metal, particularly copper and/or zinc, salts of the product of a polyolefin having a number average molecular weight (M.sub.n) of at least 600 which has been substituted with at least one dicarboxylic acid producing moiety per polyolefin molecule, wherein the metal salt product is contacted with lower aliphatic, cycloaliphatic or aromatic amines having from 1 to 4 nitrogen atoms per molecule. The compositions of the present invention can also provide increased stability to viscosity growth, e.g. during storage of the materials prepared by the process of this invention. The resulting solutions are useful in lubricating oils as additives, e.g., as antioxidant lube oil additives.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: August 27, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Laura J. Colcord, Jacob Emert, Malcolm Waddoups, Robert D. Lundberg
  • Patent number: 5043084
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of (A) a polymer substituted mono- or dicarboxylic acid material, (B) an optionally alkyl-substituted N-hydroxyaryl compound, (C) an aldehyde, and (D) an amido-amine or thioamido-amine wherein the polymer moiety of the mono- or dicarboxylic acid material is derived from a polymer of 300 to 10,000 number average molecular weight, and wherein the amido-amine and thioamido-amine reactants are derived by reacting polyamines and alpha, beta-unsaturated compounds. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: August 27, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5034018
    Abstract: The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) mono- or dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: July 23, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5032653
    Abstract: A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. All necessary reactants for the functionalization are present when polymerization is initiated. The nitrogen-containing functional group is provided as a part of a molecule having a release moiety which is preferably resonance stabilized or a tertiary alkyl type and which acts to aid the nitrogen-containing species in functioning as a leaving group.
    Type: Grant
    Filed: June 28, 1988
    Date of Patent: July 16, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Herve M. Cheradame, Robert D. Lundberg, Frank J. Chen, Jean de la Croix Habimana
  • Patent number: 5032320
    Abstract: C.sub.5 -C.sub.9 lactone based adduct materials are made by reacting a C.sub.5 -C.sub.9 lactone with a polyol to form a lactone adduct intermediate, and thereafter reacting the intermediate with an aliphatic hydrocarbyl saturated or unsaturated, straight chain or branched chain monocarboxylic or dicarboxylic acylating agent having from about one to about 165 total carbon atoms in said straight or branched chain to insure that the resulting lactone adduct is hydrocarbon soluble. The resulting adduct material are useful per se, as oil soluble dispersant additives, and are useful in fuel and lubricating oil compositions including concentrates containing the additives.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: July 16, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5030370
    Abstract: The novel compositions of the present invention comprise (A) lubricating oil and (B) at least one amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene terpolymers. The polymers of this invention are oil soluble and are useful as viscosity index improver dispersants in oleaginous compositions.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: July 9, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Abhimanyu O. Patil, Sudhin Datta, John B. Gardiner, Robert D. Lundberg
  • Patent number: 5021173
    Abstract: According to the present invention, oleaginous compositions having improved storage stability properties are provided, which comprise a combination of ashless dispersants, friction modifier and oil-soluble copper antioxidants, wherein the composition is substantially free of boron.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: June 4, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Malcolm Waddoups, Jacob Emert
  • Patent number: 5019286
    Abstract: According to the present invention, a process is provided for forming a lubricating oil concentrate containing aromatic carbonate which comprises admixing lubricating oil, aromatic carbonate and at least one aromatic carbonate solubilizing co-additive of the formula: ##STR1## wherein R.sup.1 is C.sub.1 to C.sub.20 substituted or unsubstituted hydrocarbyl, Ar is C.sub.6 to C.sub.20 aromatic group, and Z.sup.1 is a member selected from the group consisting of --(O)COR.sup.2, --N(R.sup.3)--T.sup.2, --X--T.sup.1, and --D.sup.1 --T.sup.3 wherein R.sup.2 is H or C.sub.1 to C.sub.20 hydrocarbyl, R.sup.3 is H or C.sub.1 to C.sub.6 hydrocarbyl, T.sup.2 is substituted or unsubstituted aryl, X is O or S, T.sup.1 is group of the formula: ##STR2## wherein Ar' is C.sub.6 to C.sub.20 aromatic group, Z.sup.2 is divalent C.sub.1 to C.sub.10 alkylene or C.sub.3 to C.sub.10 cycloalkylene, R.sup.4 is C.sub.1 to C.sub.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: May 28, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Gerald Shaw, Paul K. Ladwig
  • Patent number: 5017299
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 10,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: May 21, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Antonio Gutierrez, Won R. Song, Robert D. Lundberg, Robert A. Kleist
  • Patent number: 5013467
    Abstract: According to the present invention, oleaginous compositions having improved rust inhibitions properties are provided, which comprise a combination of ashless dispersants, rust inhibitor and oil-soluble copper carboxylate antioxidants, wherein the composition is substantially free of boron.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: May 7, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Malcolm Waddoups
  • Patent number: 4985517
    Abstract: According to one aspect of the present invention, improved acrylic copolymer resins are provided which are formed by co-polymerization of a monomer mixture comprising hydroxy-substituted alkyl (meth)acrylates, alkyl methacrylates or vinyl aromatics, and higher alpha-olefins. The invention provides improved low molecular weight acrylic resins useful as components in high solids acrylic coatings suitable for electrostatic spraying.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: January 15, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Albert I. Yezrielev, Michael G. Romanelli, William E. Wellman
  • Patent number: 4982045
    Abstract: This process is one in which a butene feed is passed through a fixed bed of granular aluminum trichloride catalyst, preferably in the presence of an added co-catalyst, to produce a polymerized butene product having number-average molecular weight of greater than about 250.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: January 1, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Frank J. Chen, Robert D. Lundberg
  • Patent number: 4971711
    Abstract: Poly (C.sub.5 -C.sub.9 lactone) modified Mannich base adducts are made by reacting a C.sub.5 -C.sub.9 lactone, an amine, an aldehyde, an N-hydroxyarylamine, and a hydrocarbyl substituted C.sub.4 -C.sub.10 monounsaturated dicarboxylic acid producing material, e.g., a polyisobutenyl, succinic anhydride, which, in turn, preferably is made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 10,000 with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are about 0.7 to 2.00 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: November 20, 1990
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 4963275
    Abstract: The present invention is directed to a lactone modified dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.8 (e.g., from about 1 to 4) dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, and a C.sub.5 -C.sub.9 lactone material.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: October 16, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 4957642
    Abstract: A magnesium phenate is prepared by a process which comprises reacting (1) magnesium oxide, magnesium hydroxide, magnesium carbonate, magnesium bicarbonate or a magnesium carboxylate with (2) a phenol, a methylene bis-phenol or a sulphurised phenol in the presence of (3) a solvent comprising an organic compound containing one or more alcoholic hydroxyl groups e.g. an alkoxy alcohol and (4) a promoter selected from a ketone, diketone such as .alpha. or .beta. diketone, aldehyde or carboxylic acid and (5) optionally a diluent oil. This magnesium phenate may be used as a detergent for a lubricating oil.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: September 18, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: John A. Cleverley, John F. Marsh, Philip Skinner, Gaynor M. Miasik
  • Patent number: 4957645
    Abstract: An oil soluble dispersant comprising the reaction products of:(1) (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbon having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing a long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and a polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one polythioepoxide. Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing said dispersant.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: September 18, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg
  • Patent number: 4956107
    Abstract: The present invention is directed to a dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.5 (e.g., from about 1 to 4) monocarboxylic acid producing moieties (preferably acid or ester moieties) per polyolefin molecule, (B) an amino-amine or thioamide-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: September 11, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg