Patents Represented by Attorney, Agent or Law Firm Robert A. Franks
  • Patent number: 4894174
    Abstract: The present invention deals with compositions containing sulfur and oxygen which are useful in lubricants and automatic transmission fluids.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: January 16, 1990
    Assignee: The Lubrizol Corporation
    Inventor: Mary F. Salomon
  • Patent number: 4894287
    Abstract: A liquid formulation containing furfural, para toluene sulfonic acid and tetraethylene glycol is impregnated into fine grained, isotropic graphite bodies and then polymerized and pyrolyzed. That increases the density of the impregnated body and improves it surface finish.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: January 16, 1990
    Assignee: Union Oil Company of California
    Inventor: Edward E. Hucke
  • Patent number: 4889880
    Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor amount, sufficient to reduce or retard degradation of the asphalt in service, of at least one polymer derived from a butene having a weight average molecular weight (Mw) of about 5,000 to about 1,000,000. Generally, the modified asphalt composition will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the polymer as defined. The modified asphalt compositions of the present invention are useful in roofing applications and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: December 26, 1989
    Assignee: The Lubrizol Corporation
    Inventor: H. Richard Miller
  • Patent number: 4880553
    Abstract: Compositions useful as pour point depressants, novel compounds within such compositions, and processes for making same, as well as lubricant oil compositions containing same, are disclosed. The novel compounds are encompassed by the general structural formula (I)Ar(R)--[Ar'(R')].sub.n --Ar" (I)wherein the Ar, Ar' and Ar" are independently an aromatic moiety containing 1 to 3 aromatic rings and each aromatic moiety is substituted with 0 to 3 substituents, (R) and (R') are independently an alkylene group containing about 1 to 100 carbon atoms with the proviso that at least one of (R) or (R') is CH.sub.2, and n is 0 to about 1000; with the proviso that if n is 0, then (R) is CH.sub.2 and each aromatic moiety is independently substituted with 0 to 3 substituents with one aromatic moiety having at least one substituent, the substituents being selected from the group consisting of a substituent derived from an olefin and a substituent derived from a chlorinated hydrocarbon.
    Type: Grant
    Filed: April 5, 1988
    Date of Patent: November 14, 1989
    Assignee: The Lubrizol Corporation
    Inventors: Joseph L. Kostusyk, Syed Q. A. Rizvi
  • Patent number: 4879022
    Abstract: The present invention relates to an improved process for beneficiating an ore containing sulfide materials with selective rejection of pyrite, pyrrhotite and other metals and gangue. In particular, the process is useful for beneficiating ores and recovering copper from said ores. In one embodiment the process comprises the steps of(A) grinding the ore to an appropriate size range;(B) preparing a slurry comprising(B-1) said ground ore;(B-2) at least one collector which is a water-dispersible or soluble dihydrocarbyldithiodiphosphoric acid or salt having the formula ##STR1## wherein R.sup.1 and R.sup.2 are different hydrocarbyl groups containing up to about 12 carbon atoms, n is an integer equal to the valence of X and X.sup.n+ is a dissociating cation; and(B-3) water;(C) conditioning the slurry with SO.sub.2 under aeration at a pH of about 5.5 to about 7.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: November 7, 1989
    Assignee: The Lubrizol Corporation
    Inventors: Alan C. Clark, Edward P. Richards, Douglas R. Shaw
  • Patent number: 4876374
    Abstract: Amide compounds useful as additives in lubricating fluids as extreme pressure/antiwear agents are produced on a manufacturing scale. The amides are produced by simultaneously adding together and reacting a phosphorus-containing acid and aqueous acrylamide. Substantially equal molar amounts of the phosphorus-containing acid and the aqueous acrylamide are added together with sufficient cooling to maintain the reaction at a temperature below 50.degree. C. After insolation, the reaction product obtained is preferably further reacted with a coupling agent, preferably paraformaldehyde.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: October 24, 1989
    Assignee: The Lubrizol Corporation
    Inventors: Paul E. Adams, Darryl W. Kinzer
  • Patent number: 4873006
    Abstract: Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal containing compound.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: October 10, 1989
    Assignee: The Lubrizol Corporation
    Inventors: James N. Vinci, Curtis R. Scharf
  • Patent number: 4863534
    Abstract: The present invention provides for an explosive composition comprising a discontinuous oxidizer phase comprising at least one oxygen-supplying component, a continuous organic phase comprising at least carbonaceous fuel, and an emulsifying amount of (A) at least one salt composition derived from (A) (I) at least one high-molecular weight hydrocarbyl-substituted carboxylic acid or anhydride, or ester or amide derivative of said acid or anhydride, the hydrocarbyl substituent of (A) (I) having an average of from about 20 to about 500 carbon atoms, and (A) (II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound; and (B) at least one salt composition derived from (B) (I) at least one low-molecular weight hydrocarbyl-substituted carboxylic acid or anhydride, or ester or amide derivative of said acid or anhydride, the hydrocarbyl substituent of (B) (I) having an average of from about 8 to about 18 carbon atoms, and (B) (II) ammonia, at
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: September 5, 1989
    Assignee: The Lubrizol Corporation
    Inventor: John W. Forsberg
  • Patent number: 4849123
    Abstract: Improved automatic transmission fluids (ATF's) and gear lubricant compositions comprising a low concentration of an oil-soluble transistion metal compound are provided. The transition metal compound ameliorates low temperature thickening in ATF's and high temperature thickening in gear lubricants.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: July 18, 1989
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, James J. Schwind
  • Patent number: 4846985
    Abstract: A composition is disclosed which comprises:(A) a compound represented by the formula ##STR1## wherein Ar.sup.1 and Ar.sup.2 are independently mononuclear or polynuclear, substituted or unsubstituted aromatic groups; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen or hydrocarbyl groups of from 1 to about 25 carbon atoms; X is at least one divalent sulfur atom, sulfone group, sulfixide group, or a mixture thereof; and n is a number ranging from 1 to about 5; and(B) a compound represented by the formula ##STR2## wherein Ar.sup.3 and Ar.sup.4 are independently mononuclear or polynuclear, substituted or unsubstituted aromatic groups; and R.sup.5 is hydrogen, halogen, OH, NH.sub.2, SH, NO.sub.2 or a hydrocarbyl group of from 1 to about 50 carbon atoms. Concentrates, lubricants, functional fluids, fuels, aqueous compositions and emulsions comprising the foregoing compositions are also disclosed.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: July 11, 1989
    Assignee: The Lubrizol Corporation
    Inventors: S. Q. Abbas Rizvi, Charles P. Bryant, Kent B. Grover, James N. Vinci
  • Patent number: 4846983
    Abstract: Novel molybdenum or tungsten thiocarbamate additives for functional fluids, e.g., lubricating oils, automatic transmission fluids (ATF), as well as fuel compositions, have been developed. The molybdenum or tungsten carbamate compositions, compounds, complexes and oligomers of the present invention are derived from at least one hydrocarbyl primary amine and impart improved anti-wear properties, anti-oxidant properties, extreme pressure properties and friction modifying properties in functional fluids for internal combustion engines.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: July 11, 1989
    Assignee: The Lubrizol Corp.
    Inventor: William C. Ward, Jr.
  • Patent number: 4844756
    Abstract: A water-in-oil emulsion is disclosed which comprises:(A) a continuous oil phase;(B) a discontinuous aqueous phase;(C) a minor emulsifying amount of at least one salt derived from (C) (I) at least one hydrocarbyl-substituted carboxylic acid or anhydride, or ester or amide derivative of said acid or anhydride, the hydrocarbyl substituent of (C) (I) having an average of from about 20 to about 500 carbon atoms, and (C) (II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound; and(D) a functional amount of at least one water-soluble, oil-insoluble functional additive dissolved in said aqueous phase; with the proviso that when component (D) is ammonium nitrate, component (C) is other than an ester/salt formed by the reaction of polyisobutenyl (Mn=950) succinic anhydride with diethylethanolamine in a ratio of one equivalent of anhydride to one equivalent of amine.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: July 4, 1989
    Assignee: The Lubrizol Corporation
    Inventor: John W. Forsberg
  • Patent number: 4843126
    Abstract: Aminoplast compositions are cured using a sulfur and phosphorus containing catalyst.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: June 27, 1989
    Assignee: The Lubrizol Corporation
    Inventor: Robert E. Quinn
  • Patent number: 4840687
    Abstract: An explosive composition is disclosed which comprises a discontinuous oxidizer phase comprising at least one oxygen-supplying component, a continuous organic phase comprising at least one water-immiscible organic liquid, and an emulsifying amount of at least one nitrogen-containing emulsifier derived from (A) at least one carboxylic acylating agent, (B) at least one polyamine, and (C) at least one acid or acid-producing compound capable of forming at least one salt with said polyamine. These explosive compositions can be water-in-oil emulsions or melt-in-oil emulsions. They can also be explosive compositions derived from such emulsions wherein at temperatures below that at which the emulsion is formed the discontinuous phase is solid or in the form of droplets of supercooled liquid.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: June 20, 1989
    Assignee: The Lubrizol Corporation
    Inventors: John W. Forsberg, John J. Mullay, Joseph A. Sohara
  • Patent number: 4839150
    Abstract: Silicon carbide is produced by a method which includes dipsersing silica in a residual oil, carbonizing the oil at elevated temperatures, and heating the carbonized dispersion to form silicon carbide. Preferably, the silica is an amorphous type. Preferred residual oils are produced by distilling away crude petroleum components at temperatures up to about 350.degree. C. The silicon carbide product typically contains a mixture of powder and whisker configurations, and has many particles with a dimension less than about 1 micrometer.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: June 13, 1989
    Assignee: Union Oil Company of California
    Inventors: Roy T. Coyle, Phillman N. Ho
  • Patent number: 4839068
    Abstract: Polyesters containing hydrocarbon substituted succinic groups, including capped polyesters, and having molecular weights between about 1000 and about 4000 are additives for mineral oil based lubricating oils. These polyesters impart friction reducing and viscosity improving properties to the base oil and enhance film-forming properties of the oil.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: June 13, 1989
    Assignee: The Lubrizol Corporation
    Inventor: Richard M. Lange
  • Patent number: 4836857
    Abstract: Asphalt additive compositions are described which comprise (A) a metallic organic strength improving compound and (B) an anti-strip compound. The metal of said metallic organic compound is selected from the group consisting of manganese, cobalt, copper, vanadium, molybdenum, cerium, iron, nickel, lead, zirconium, barium, calcium and zinc. The preferred metal is manganese. The anti-strip compound is designed to reduce water-induced damage to asphalt paving mixtures.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: June 6, 1989
    Assignee: The Lubrizol Corporation
    Inventor: David L. Hopkins
  • Patent number: 4833184
    Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor effective amount, sufficient to improve the durability of the asphalt in service, of at least one hydrocarbon-soluble acrylate polymer of the formula ##STR1## wherein R.sup.1 is a lower alkyl group containing from 1 to about 4 carbon atoms, R.sup.2 is a mixture of alkyl groups containing from about 4 to about 20 carbons atoms, and x is an integer providing a weight average molecular weight (Mw) to the acrylate polymer of about 5000 to about 1,000,000. Generally, the modified asphalt compositions will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the acrylate polymer as defined. The modified asphalt compositions of the present invention are useful in roofing and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: May 23, 1989
    Assignee: The Lubrizol Corporation
    Inventor: William A. Higgins
  • Patent number: 4828633
    Abstract: Salt compositions are disclosed which comprise: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating agent (A)(I) having at least one hydrocarbyl substituent having an average of from about 20 to about 500 carbon atoms, and (A)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound; (B) at least one salt moiety derived from (B)(I) at least one low-molecular weight polycarboxylic acylating agent, said acylating agent (B)(I) optionally having at least one hydrocarbyl substituent having an average of up to about 18 carbon atoms, and (B)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound; said components (A) and (B) being coupled together by (C) at least one compound having (i) two or more primary amino groups, (ii) two or more secondary amino groups, (iii) at least one
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: May 9, 1989
    Assignee: The Lubrizol Corporation
    Inventor: John W. Forsberg
  • Patent number: 4816038
    Abstract: Metal complexes of hydroxyl- and/or thiol-containing Mannich are prepared by reacting a transition metal-containing agent with an aromatic Mannich. The Mannich is prepared from a substituted hydroxyl- and/or thiol-containing aromatic, an aldehyde or ketone, and a hydroxyl- and/or thiol-containing amine compound. A Schiff base is then reacted therewith. The products are useful in reducing soot ignition temperatures in diesel particulate traps.
    Type: Grant
    Filed: February 23, 1988
    Date of Patent: March 28, 1989
    Assignee: The Lubrizol Corporation
    Inventors: Frederick W. Koch, Gail A. Evans, Casper J. Dorer, Jr., Alan A. Del Paggio