Patents Examined by Andrew Metz
  • Patent number: 4500439
    Abstract: Molybdenum compositions suitable for improving the properties of lubricants and fuels comprise the reaction product of molybdenum and a polyamine Mannich reaction product, a polyamine hydrocarbyl-substituted dicarboxylic acid compound reaction product, and the oxidized and/or sulfurized reaction products thereof.
    Type: Grant
    Filed: October 14, 1983
    Date of Patent: February 19, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: C. Thomas West, Robert J. Basalay
  • Patent number: 4498998
    Abstract: Hydrocracked lubricating oils are effectively stabilized against deterioration caused by light by the inclusion of at least one of certain dihydroxy components. Such component, e.g., 3,5-di-tert-butyl catechol and 4,6-di-tert-butyl resorcinol, provide outstanding inhibition to sunlight deterioration.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: February 12, 1985
    Assignee: Atlantic Richfield Company
    Inventor: David A. Hutchison
  • Patent number: 4497719
    Abstract: The metal salts of 1,2,4-thiadiazole having the structure ##STR1## and lubricants containing said metal salts are provided.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: February 5, 1985
    Assignee: Pennwalt Corporation
    Inventors: James P. King, Paul Tubbs
  • Patent number: 4487658
    Abstract: Aqueous-base compositions are disclosed for the lubrication of the piston and the cylinder liner of Diesel engines, particularly large engines, said compositions essentially comprising one or more water soluble anti-acid neutralizers, a water soluble organic fluid having a high boiling point temperature and one or more water-soluble detergents.Tests on large engines have shown that it is possible to lubricate the piston and the cylinder liner with an aqueous base fluid without using any crude petroleum derivative.
    Type: Grant
    Filed: September 1, 1983
    Date of Patent: December 11, 1984
    Assignee: Agip Petroli S.p.A
    Inventor: Brunello Ciuti
  • Patent number: 4487704
    Abstract: The anti-wear properties of lubricating oil compositions containing overbased calcium sulfonate are improved when a complex of a zinc salt of a cyclic hydrocarbyl dithiophosphoric acid of 2,4-pentanediol and a succinimide is added to the oil. Oil compositions containing this combination are useful as crankcase lubricants.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: December 11, 1984
    Assignee: Chevron Research Company
    Inventors: Elaine S. Yamaguchi, Thomas V. Liston
  • Patent number: 4486321
    Abstract: New compounds made by first reacting an amine, an aldehyde and a mercaptan and reacting the product thus obtained with a boron compound are provided. The invention also provides lubricant and liquid fuel compositions containing such compounds.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: December 4, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Patent number: 4486320
    Abstract: A tape guide member is disclosed which is prepared from a mixture of engineering plastics, carbon fibers, and an ester of a higher fatty acid, and a polyhydric alcohol. The members may be suitably used as tape guides of video tape cassettes, audio tape cassettes, and memory tape cassettes. Use of the present tape guide results in a lower degree of dropouts after repeated tape running.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: December 4, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kiyoshi Sakurai, Akira Ishi, Yoshihiro Abe
  • Patent number: 4486322
    Abstract: Lubricant and liquid fuel compositions contain friction reducing or antioxidant additive. The additive is a trihydroxyhydrocarbyl sulfide.
    Type: Grant
    Filed: October 18, 1982
    Date of Patent: December 4, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Patent number: 4485023
    Abstract: A Mannich condensation product of an amorphous, oil soluble olefin/carbonyl polymer, amine and formaldehyde yielding reactant wherein the carbonyl groups are provided by at least one member selected from the group consisting of carbon monoxide and vinyl alkyl ketone and lube oil compositions comprising said polymers.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: November 27, 1984
    Assignee: Standard Oil Company (Indiana)
    Inventors: Carl Serres, John G. Schaffhausen
  • Patent number: 4485022
    Abstract: Lubricating oils are protected against oxidation by the addition of a stabilizing amount of at least one n-alkyl substituted 2-thiazoline disulfide.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: November 27, 1984
    Assignee: Phillips Petroleum Company
    Inventor: J. Ronald Spence
  • Patent number: 4483777
    Abstract: Fire resistant hydraulic fluids comprising water in oil emulsions are stabilized with water soluble aminohydroxy compounds to provide superior high temperature emulsion stability.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: November 20, 1984
    Assignee: Mobil Oil Corporation
    Inventor: Joosup Shim
  • Patent number: 4482463
    Abstract: The invention relates to lubricant compositions containing(a) a mineral and/or synthetic base oil,(b) a compound of the formula IA--(S).sub.n --G (I)wherein n is preferably 2 and A and G are the same or different and represent either a radical ##STR1## wherein R.sup.1 and R.sup.2 may be methyl, or are a nitrogen-containing 5- to 7-membered heterocyclic radical such as ##STR2## and (c) optionally further additives.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: November 13, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Henri Dubas, Rudolf Kirchmayr
  • Patent number: 4481011
    Abstract: In a method of preparing coal in particulate form for charging coke ovens, the particulate coal is initially treated with a binding agent selected from carbo-pitch, residues of coal oil refining and oil refining residues; particulate coal so treated is mixed with 0.1 to 0.3% of light oil and subsequently agglomerated before feeding into coke ovens. Non-self-fluxing coal may be treated by this method and mixed with granulate self-fluxing coal to form a coke oven charge.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: November 6, 1984
    Assignee: Ruhrkohle Aktiengesellscaft
    Inventors: Wilhelm Weskamp, Wilhelm Stewen
  • Patent number: 4481123
    Abstract: The new polyethers obtainable by polymerization of an 1,2-epoxyalkane with 8 to 26 carbon atoms, and a tetrahydrofuran in the presence of a hydroxyl compound of the formulaH-OR.sup.1in which R.sup.1 denotes hydrogen, an alkyl radical having 1 to 24 carbon atoms or a hydroxyalkyl radical having 2 to 40 carbon atoms are disclosed together with their use as lubricants.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: November 6, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Hentschel, Rolf Dhein, Siegfried Kussi, Hans Winter, Herbert Vojacek
  • Patent number: 4479882
    Abstract: The spreadability of marine diesel cylinder oils is improved by the incorporation therein of a spreadability improving amount of a polyalkoxylated phenoxy compound having the formula: ##STR1## wherein R is an aliphatic hydrocarbyl group having from 5 to 70 carbon atoms and n ranges from 14 to 30.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: October 30, 1984
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung
  • Patent number: 4479883
    Abstract: A lubricating oil composition having particularly improved friction reducing properties which comprises an ester of a polycarboxylic acid with a glycol or glycercol and a selected metal dithiocarbamate and contains a relatively low level of phosphorus.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: October 30, 1984
    Assignee: Exxon Research & Engineering Co.
    Inventors: Harold Shaub, Barbara J. Schaeffer
  • Patent number: 4478731
    Abstract: A process for the production of an aqueous lubricant composition free of oil including water and at least one metallic carboxylate, wherein the anionic is at least one saturated linear organic radical containing at least 12 carbon atoms and the cationic is at least one bivalent or trivalent metal having an electro-chemical oxidation-reduction potential greater than -0.7 volts. The process includes mixing of two mother solutions. The first mother solution is an aqueous solution of at least one alkali metal carboxylate soluble in water wherein the anionic is at least one saturated linear organic radical with at least 12 carbon atoms. The second mother solution is an aqueous solution of at least one metallic salt whereof the anionic is selected from the group consisting of hydroxide, chloride, sulphate, nitrate or phosphate ions and whereof the cationic is at least one bivalent or trivalent metal having an electro-chemical oxidation reduction potential greater than -0.70 volts.
    Type: Grant
    Filed: July 21, 1983
    Date of Patent: October 23, 1984
    Assignee: Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Zone Industrielle
    Inventor: Antoine Gaucher
  • Patent number: 4468251
    Abstract: There are applied gold containing preparations as intermediate layers for facing fired on alloys with ceramic compositions in the dental art. These gold preparations should improve the adhesiveness, form a structured surface and make possible a saving in the consumption of gold. This is accomplished with preparations that contain 60 to 95% gold powder, at least 50% of which are platelet shaped particles, 5-40% of a binder and in a given case up to 20 of a powder as an adhesive which is made of metals and/or non-metals.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: August 28, 1984
    Assignee: Degussa Aktiengesellschaft
    Inventors: Jurgen Hausselt, Harry Schiwiora, Manfred Stumke, Klaus Lutz
  • Patent number: 4466909
    Abstract: Disclosed is an oil-in-water micro-emulsion comprising 0.09 to 49.99 percent by mass oil, 50 to 99.9 percent by mass of water, and 0.01 to 10 mass percent of an antiwear agent.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: August 21, 1984
    Assignee: Chevron Research Company
    Inventor: Robert A. Stayner
  • Patent number: 4465605
    Abstract: Lubricant and liquid fuel compositions contain a friction reducing or antioxidant additive. The additive is a borated trihydroxy hydrocarbyl sulfide.
    Type: Grant
    Filed: October 18, 1982
    Date of Patent: August 14, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski