Patents Represented by Attorney, Agent or Law Firm David M. Shold
  • Patent number: 6403725
    Abstract: Disclosed is a metal containing polymer composition comprising; a metal overbased imide or ester functionalized polymer prepared by reacting (A) a polymer comprising (A1) an acidic functionalized polymer or ester functionalized polymer; (A2) an acidic mixed ester-acid of a carboxy containing interpolymer; or (A3) an ester functionalized polymer comprising a lactone and (B) a metal overbased composition that contains a reactive basic functionality comprising (B1) a metal overbased amine wherein the reactive basic functionality is a primary or secondary amino group; (B2) a metal overbased hydroxy substituted carboxylic acid wherein the reactive basic functionality is a hydroxy group; or (B3) a metal overbased dispersant wherein the reactive basic functionality is a primary or secondary amino group.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: June 11, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Nai Z. Huang, Richard M. Lange
  • Patent number: 6379530
    Abstract: This invention relates to a compound represented by the formula wherein in formula (I): R is a polyisobutene group; R1, R2 and R3 are each independently hydrogen, alkyl groups of 1 to 18 carbon atoms, cycloalkyl groups of 4 to 10 carbon atoms or aryl groups of 6 to 10 carbon atoms; and n is an integer of 0 to 4. The invention relates to an additive package for use in making fuels comprising the foregoing compound. The invention also relates to fuel compositions comprising the foregoing compound.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: April 30, 2002
    Assignee: The Lubrizol Corporation
    Inventor: David J. Moreton
  • Patent number: 6372842
    Abstract: The present invention relates to methods of using an aqueous composition or dispersion containing a water-soluble or water-dispersible synthetic polymer, and compositions formed thereof. The aqueous composition or dispersion is added to agricultural spray compositions, ink compositions, deicing or anti-icing compositions, latex paint and coating compositions, cleaner compositions, adhesives, fire-extinguishing chemical compositions, hydro-metallurgy/electro-winning compositions, compositions having organosilanes, personal care compositions, water-based hydraulic compositions, dust control compositions, and textile finish compositions, to impart properties including aerosol control, spatter control, shear stability, rheology control, transfer efficiency, oil/water reduction, sling control, emollient performance, film forming capability, surface activity, encapsulent ability, lubricity, thickening, and anti-wear capability, to the resultant composition formed thereof.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: April 16, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Bryan A. Grisso, Robert E. Quinn, Sanjay N. Kalhan, Edward J. Konzman, Saurabh S. Lawate, James H. Bush, Joseph W. Pialet, Paul Walsh, Carlos A. Piedrahita, Philip R. Miller, Alan C. Clark, David L. Facchiano, Al E. Haas, Clifford Kowall, Richard A. Denis
  • Patent number: 6372696
    Abstract: A traction fluid useful in automotive power transmitting equipment includes a base fluid of polymers of at least one olefin which contains 3 to 5 carbon atoms, hydrocarbon molecules containing non-aromatic cyclic moieties, or mixtures thereof; a low-temperature viscosity control agent selected from the group consisting of oligomers or polymers of linear alpha olefins of at least 8 carbon atoms, naphthenic oils, synthetic ester oils, polyether oils, and mixtures thereof, in an amount sufficient to reduce the low temperature viscosity of the traction fluid; and an additive package including dispersants, detergents, or mixtures thereof, along with other optional additive components.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: April 16, 2002
    Assignee: The Lubrizol Corporation
    Inventor: Craig D. Tipton
  • Patent number: 6362355
    Abstract: A molybdated dispersant composition represented by the formula: (R1—NR2R3H+)m−nXn(MoHPA)m− provides good friction properties to lubricants. In the formula, R1—NR2R3 represents an amine-containing dispersant, R1 is a group providing dispersant properties to said dispersant composition, each of R2 and R3 is independently hydrogen, a hydrocarbyl group, or an additional R1 group; X is hydrogen, a monovalent metal ion, a single valence of a polyvalent metal ion, an ammonium ion, or an amine cation, m is 3 or 4, n is 0 to about 2.5 when m is 3 and 0 to about 3.5 when m is 4, and (MoHPA)m− is a molybdenum heteropolyacid anion of charge m.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: March 26, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Thomas F. Steckel, Ping Y. Zhu
  • Patent number: 6348075
    Abstract: The present invention is directed to a composition containing A) at least one polyalkenene substituted amine; and B) at least one hydrocarbyl-terminated poly(oxypropylene) monool represented by the formula wherein in formula (B-I), R is an alkyl or an alkyl-substituted aromatic group of about 8 to about 20 carbon atoms; x is a number from about 13 to about 28; and wherein the weight ratio of component (A) to component (B) ranges from about 10:1 to about 1:10. The composition is useful as a fuel additive for reducing intake valve deposits or for improving the valve stick performance of an internal combustion engine. The invention also relates to concentrates and fuel compositions containing the foregoing fuel additive composition and to a method for reducing intake valve deposits or for improving the valve stick performance of an internal combustion engine.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: February 19, 2002
    Assignee: The Lubrizol Corporation
    Inventor: Mitchell M. Jackson
  • Patent number: 6346585
    Abstract: Calcined ammonium salts of phosphotungstic acid salts are used to polymerize C2-C30 &agr;-olefins and derivatives thereof to form highly reactive products having a high content of terminal vinylidene groups and &bgr;-isomers in resonance therewith.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: February 12, 2002
    Assignee: The Lubrizol Corporation
    Inventors: John R. Johnson, James D. Burrington
  • Patent number: 6344517
    Abstract: The present invention relates to a metalworking fluid composition comprising an aqueous composition or dispersion containing a water-soluble or water-dispersible synthetic polymer, and method of use thereof. The aqueous composition or dispersion is added to a metal working fluid composition to impart aerosol control and shear stability.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: February 5, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Robert E. Quinn, Richard A. Denis, Sanjay N. Kalhan
  • Patent number: 6342551
    Abstract: This invention relates to a powder coating composition made by combining at least two components comprising (A) a film forming thermosetting resin composition; and (B) a transfer-efficiency enhancing amount of at least one amide; wherein component (B) is incorporated into the powder coating composition by the addition of component (B) to an extruded composition comprising components other than (B). The invention also relates to a method for coating a substrate using the foregoing powder coating composition.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: January 29, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Scott T. Jolley, Charles F. Williams
  • Patent number: 6340659
    Abstract: Lubricants which comprise, as an additive a salt of the reaction product of (i) glyoxylic acid or a hydrocarbyl substituted glyoxylic acid and (ii) a hydroxyaromatic compound, at least a portion of the molecules of which are alkyl-substituted, are useful for lubricating ceramic-containing engines, high temperature engines, and natural gas-fueled engines. Particularly useful additives are those in which the hydroxyaromatic compound is a dialkyl phenol containing a t-butyl group in an ortho position.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: January 22, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Jody A. Kocsis, Sheri L. Blystone, Ewa A. Bardasz, Marvin B. DeTar
  • Patent number: 6331647
    Abstract: A process for the preparation of a purified monomer is disclosed which comprises the steps of reacting an impure monomer wherein R1 and R2 are independently hydrogen or alkyl groups containing from 1 to about 6 carbon atoms, with (B) a substantially aqueous solution of an oxide or hydroxide of the structure MO or MOH wherein M is a Group IA or Group IIA metal, or an amine of the structure NR3R4R5 wherein R3, R4 and R5 are independently hydrogen or alkyl, alkanol or alkoxy groups containing from 1 to about 12 carbon atoms, wherein the molar ratio of (A):(B) is from about 1:1-2 for Group IA metals, 2:1-2 for Group IIA metals or ratio of moles of (A) to nitrogens of (B) is from about 1:1-2 nitrogens to form a salt, wherein in order to prevent polymerization of (A), the purified monomer or both or prevent undesired side reactions, the reaction of (A) and (B) occurs at a temperature of between about −20 to 75° C. and at a pH between about 7 to about 12.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: December 18, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Robert E. Quinn, W. Michael Burke, William S. Henry, Steven A. Goodlive
  • Patent number: 6331510
    Abstract: A lubricant containing (a) a synthetic base oil composition having an overall kinematic viscosity of at least about 4.8×10−6 m2/s (4.8 cSt) at 100° C. and a viscosity index of at least about 110; (b) a dispersant-viscosity modifier; and (c) a sulfur-free functionalized hydrocarbyl-substituted phenol detergent provides improved valve train wear, with longer drain intervals, to heavy duty diesel engines.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: December 18, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Thomas T. Curtis, Gordon D. Lamb, William D. Abraham
  • Patent number: 6328771
    Abstract: A fuel composition comprising a major amount of hydrocarbon fuel and a minor lubricity improving amount of a composition made by reacting component (A) with component (B) under unit-forming conditions; component (A) comprising a carboxylic acid represented by the formula R (COOH)n wherein R is a hydrocarbon group of 2 to 30 carbon atoms and n is a number in the range of 1 to 4, or an anhydride of said acid; and component (B) comprising a heterocylic aromatic amine.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: December 11, 2001
    Assignee: The Lubrizol Corporation
    Inventor: David J. Moreton
  • Patent number: 6310011
    Abstract: Lubricants containing metal salts of hydrocarbyl-substituted carboxyalkylene-linked phenols, dihydrocarbyl esters of alkylene dicarboxylic acids, the alkylene group being substituted with a hydroxy group and an additional carboxylic acid group, or alkylene-linked polyaromatic molecules, the aromatic moieties whereof comprise at least one hydrocarbyl-substituted phenol and at least one carboxy phenol, where the hydrocarbyl groups are of sufficient length to provide oil solubility to the salt, exhibit good asphaltene suspension for marine diesel applications. Preferably the salts are overbased.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: October 30, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Jack L. Karn, Jody A. Kocsis, Laurence E. King, Paul E. Adams, Vincent A. Notaro
  • Patent number: 6310009
    Abstract: A saligenin derivative such as the magnesium salt represented by the formula is useful as an additive for a lubricating composition. Preferably X is —CHO or —CH2OH, and Y is —CH2— or —CH2OCH2—. R1 is a hydrocarbyl group containing 1 to 60 carbon atoms and m is 0 to 10. At least one aromatic ring should contain an R1 substituent and the total number of carbon atoms in all R1 groups should be at least 7.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: October 30, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Jody A. Kocsis, James P. Roski, Virginia A. Carrick, Richard A. Denis, Thomas J. Wolak, Gordon D. Lamb, Paul E. Adams, William D. Abraham, Susan V Cowling
  • Patent number: 6306816
    Abstract: The reaction product of an alkylenediamine, each amino group thereof being a primary or secondary amino group; with at least two equivalents of an acrylamidoalkanesulfonic acid or a salt thereof, wherein each amine nitrogen atom of said alkylenediamine is reacted with a single molecule of the acrylamidoalkane sulfonic acid or salt thereof provides a useful surfactant or hydrotrope.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: October 23, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Philip W. Pike, Bryan A. Grisso, Richard W. Jahnke
  • Patent number: 6303795
    Abstract: A surfactant which is the reaction product of a hydrocarbyl-substituted succinic anhydride or a reactive equivalent thereof with at least one water-dispersible amine-terminated poly(oxyalkylene), is effective for use in soil remediation.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: October 16, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Richard W. Jahnke, Bryan A. Grisso
  • Patent number: 6300288
    Abstract: A grease of an oil of lubricating viscosity, a polyolefin having grafted acid functionality, a metallic species capable of interacting with the acid functionality of said polyolefin to cause association among the acid groups and a co-thickening agent, has improved rheological properties. The co-thickening agent and the metallic species can together comprise a gelled overbased material, particularly an overbased carboxylate.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: October 9, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Curtis R. Scharf, Steven R. Twining, Patricia R. Todd
  • Patent number: 6288013
    Abstract: A composition comprising a hydrocarbon polymer having {overscore (M)}n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula wherein R3 is H or hydrocarbyl, R4 is a divalent hydrocarbylene group, n=0 or 1, and each of R9 and R10 is independently H, alkoxyhydrocarbyl, hydroxyhydrocarbyl, hydrocarbyl, aminohydrocarbyl, N-alkoxyalkyl- or hydroxyalkyl-substituted aminohydrocarbyl, or a group of the formula &Parenopenst;Y&Parenclosest;cR11—M, wherein each Y is independently a group of the formula each R11 is a divalent hydrocarbyl group, R12 is as defined above for R9 and R10, and M is H, hydrocarbyl, amino, an amide group, an amide-containing group, an acylamino group, an imide group, or an imide-conta
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: September 11, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Matthew R. Sivik, Richard M. Lange, Paul E. Adams, Daniel M. Vargo
  • Patent number: 6267907
    Abstract: A lubricant-refrigerant composition for a compression refrigeration system is disclosed which comprises (A) carbon dioxide refrigerant, and (B) a lubricant of an aliphatic naphthalene. A supplemental lubricant comprising at least one alkyl benzene, a hydrocarbon, a polyalkylene glycol, a polyol ester or a polyvinyl ether may also be present. Additionally, a performance additive comprising an alkoxylated alcohol or phenol, an alkoxylated glycol, an alkyl phenol or a phosphorus compound may also be present.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: July 31, 2001
    Assignee: The Lubrizol Corporation
    Inventors: John C. Tolfa, Thomas E. Rajewski