Patents Examined by Glenn A. Caldarola
  • Lubricating oil composition
    Patent number: 7838473
    Abstract: A lubricating oil composition of TBN 8-9 having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. %, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashless dispersant.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: November 23, 2010
    Assignee: Infineum International Limited
    Inventors: Robert W. Shaw, Michele Anne Thornhill
  • Process and apparatus for upgrading steam cracked tar
    Patent number: 7837854
    Abstract: A process and apparatus are provided for upgrading steam cracked tars. The invention also relates to a steam cracking process and apparatus for reducing the yields of tars produced from steam cracking while increasing yields of higher value products, heating cooled steam cracker tar containing asphaltenes, to a temperature, e.g., above about 300° C., which is sufficient to convert at least a portion of the steam cracked tar to lower boiling molecules. The resulting heat-treated tar can be separated into gas oil, fuel oil and tar streams.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: November 23, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John D. Y. Ou, Glenn A. Heeter
  • Lubricating oil composition
    Patent number: 7838470
    Abstract: A multigrade crankcase lubricating oil composition comprising a mineral oil-based basestock of lubricating viscosity in a major amount and a non-hydrogenated olefin polymer in a minor amount. The lubricating oil composition also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: November 23, 2010
    Assignee: Infineum International Limited
    Inventors: Robert W. Shaw, Ian A. W. Bell, Robert Robson
  • Diaromatic amine derivatives as antioxidants
    Patent number: 7838703
    Abstract: A diaromatic amine compound having the general formula: wherein R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring, and R3 is an allyl, benzyl, or methallyl group. R4, R5, and R6 are independently hydrogen, C1-C30 alkyl group, C2-C30 alkenyl group, C3-C12 cycloalkyl group, C5-C25 aryl group, C6-C25 arylalkyl group, or C1-C30 alkoxy group.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: November 23, 2010
    Assignee: Chemtura Corporation
    Inventors: Qinggao Ma, Cyril Migdal
  • Viscosity modifiers in controlled release lubricant additive gels
    Patent number: 7833955
    Abstract: The present invention relates to the use of viscosity modifiers in a control release additive gel. Furthermore, the present invention relates to an additive gel containing a viscosity modifier that control releases additives into a lubricant.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: November 16, 2010
    Assignee: The Lubrizol Corporation
    Inventors: James D. Burrington, Barbara P. Leffel
  • Water-soluble metal working lubricant
    Patent number: 7833951
    Abstract: The invention provides a water-soluble metal working lubricant which is suitably employed particularly in press-working of aluminum material and which is excellent in both working properties and degreasing properties. The water-soluble metal working lubricant includes 85 mass % or less of water (A); 5 to 75 mass % of a metal salt of an organic carboxylic acid (B) wherein carboxylic acid residue has 8 or more carbon atoms in total and the acid/alkali ratio by mole is 1:0.5 to 1.1; 1 to 50 mass % of at least one metal salt (C) selected from among an organic phosphate ester metal salt, an organic phosphite ester metal salt, an organic phosphonate metal salt, and an organic borate ester metal salt, each having an alkyl group having 8 or more carbon atoms in total; and 10 to 80 mass % of a non-ionic surfactant (D).
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: November 16, 2010
    Assignees: Honda Motor Co., Ltd., Idemitsu Kosan Co., Ltd.
    Inventors: Noboru Hayashi, Katsuhiko Shiotsuki, Mitsuru Osawa, Masato Kaneko, Hideo Kanamori
  • Stabilized lubricant compositions
    Patent number: 7829511
    Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions and to be useful as turbine lubricants.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: November 9, 2010
    Assignee: Chemtura Corporation
    Inventors: Jun Dong, Cyril A. Migdal
  • Fluidizing a population of catalyst particles having a low catalyst fines content
    Patent number: 7829030
    Abstract: The present invention relates to processes for fluidizing a population of catalyst particles that are depleted of catalyst fines. In one embodiment, the process includes providing a plurality of catalyst particles in the reactor, wherein the catalyst particles have a d2 value of greater than about 40 microns. The catalyst particles are contacted with a fluidizing medium under conditions effective to cause the catalyst particles to behave in a fluidized manner and form a fluidized bed. The particles are contacted with one or more primary obstructing members while in the fluidized bed. By fluidizing the catalyst particles in this manner, the catalyst particles can be maintained at an axial gas Peclet number of from about 10 to about 20.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: November 9, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: James H. Beech, Jr., Nicolas P. Coute, Jeffrey S. Smith, Michael Peter Nicoletti
  • Fuel composition for rectifying fuel gauge sending unit problems
    Patent number: 7824454
    Abstract: A unique combination of a certain poly(oxyalkylene) amine and a thiadiazole compound when employed as a fuel additive in a hydrocarbon fuel such as gasoline or diesel fuel will preclude fuel gauge sending units from sustaining sulfur-related corrosion damage or restore fuel gauge sending units, particularly silver-based fuel gauge sending units, in vehicle fuel storage tanks to like-new operational condition. Moreover, a method suitable for use in precluding fuel gauge sending units from sustaining sulfur-related corrosion damage or restoring silver-based fuel gauge sending units in gasoline or diesel vehicle fuel storage tanks to like-new operational condition using the combination of a certain poly(oxyalkylene) amine and a thiadiazole compound as a fuel additive is also described.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: November 2, 2010
    Assignee: Chevron Oronite Company LLC
    Inventor: Stephen M. Moore
  • Method of reducing particulate emissions
    Patent number: 7825076
    Abstract: The present invention relates to lubricating oils, and in particular to the use of lubricating oils with low sulphur content in combination with a low sulphur fuel to reduce particulate emissions of a diesel engine equipped with a particulate trap. Thus, there is provided the use of an engine lubricating oil having a low sulphur content in combination with a fuel having a low sulphur content, to reduce the emissions of nucleation mode particles from a diesel engine fitted with a particulate trap. There is also provided a method of reducing the number of nucleation mode particles in the emissions from a diesel engine fitted with a particulate trap, which method comprises using an engine lubricating oil having a low sulphur content in combination with a fuel having a low sulphur content.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: November 2, 2010
    Assignee: BP Oil International Limited
    Inventor: Diane Elsie Hall
  • Composition of lubricating oil for two stroke gasoline engine and process for the preparation thereof
    Patent number: 7825077
    Abstract: This invention provides a composition of lubricating oil for two stroke gasoline engine and a process for the preparation thereof. In addition to alkyl benzenes, the composition also contains an antioxidant, an antifoaming agent, a pour point dispersant, a corrosion inhibitor and a detergent-dispersant additive, an extreme pressure additive, a lubrication additives, comprising of the following steps (I) removing of insoluble matter from the base stock, (II) tailoring by vacuum distillation, (III) blending of different alkylates, (IV) removing the oxidized matters by adsorption, (V) addition of performance additives and homogenizing the mixture. The product of this invention has utility as lubricating oil for two stroke gasoline engine in both water-cooled and air-cooled two-cycle gasoline engines producing reduced smoke.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: November 2, 2010
    Assignee: Council of Scientific and Industrial Research
    Inventors: Arun Kumar Singh, Naval Kishore Pandey, Ashok Kumar Gupta
  • Assembly comprising J aggregates
    Patent number: 7824617
    Abstract: The present invention relates to the realization of particular supramolecular assemblies of dyes, in particular cyanines, called J aggregates. The invention concerns an assembly made up of a support including a mesoporous layer whereof the pores have an average BET diameter greater than 1.5 nm, macromolecules with dendritic architecture functionalizing said layer, at least in its pores, a layer of molecules from the family of cyanines interacting with the macromolecules with dendritic architecture and organized into J aggregates.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: November 2, 2010
    Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et Development
    Inventors: Rolf Steiger, Raphaël Pugin
  • Low foaming conveyor lubricant composition and methods
    Patent number: 7820603
    Abstract: The invention relates to lubricant compositions, and methods especially as lubricants for the transport of glass, aluminum, and PET containers. The lubricant compositions contain a phosphate ester, an amine salt, and a nonionic surfactant.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: October 26, 2010
    Assignee: Ecolab USA Inc.
    Inventors: Colin Court, Antonella Petrella
  • Amine tungstates and lubricant compositions
    Patent number: 7820602
    Abstract: This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: October 26, 2010
    Assignee: King Industries, Inc.
    Inventors: Ramanathan Ravichandran, Farouk Abi-Karam, Alena Yermolenka, Michel Hourani, Ingo Roehrs
  • Lubricating oil additive composition and method of making the same
    Patent number: 7820604
    Abstract: An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one polyether aliphatic amine compound.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: October 26, 2010
    Assignee: Chevron Oronite Company LLC
    Inventors: William R. Ruhe, Jr., Casey D. Stokes
  • Lubricating oil additive composition and method of making the same
    Patent number: 7820605
    Abstract: An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one polyether aromatic compound.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: October 26, 2010
    Assignee: Chevron Oronite Company LLC
    Inventors: Casey D. Stokes, William R. Ruhe, Jr.
  • Lubricant and method for improving air release using ashless detergents
    Patent number: 7820600
    Abstract: The present invention is directed to a lubricant composition comprising GLT base stock with an ashless detergent to improve air release properties. The ashless detergents comprise the products resulting from the reaction of a salicylic acid, organic group substituted salicylic acid, sulfonic acid or organic groups substituted sulfur acid with thiadiazole or organic group substituted thiadiazole or an alkyl primary or secondary amine.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: October 26, 2010
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Jacob J. Habeeb, David J. Baillargeon, Douglas E. Deckman
  • Lubricant for sewing machines
    Patent number: 7820606
    Abstract: A lubricant for sewing machines to be supplied to lubricate a movable part of a sewing machine is formed by using, as main components, a plurality of kinds of synthetic esters combined to have consistency within a range of grade 2 to grade 000 (defined by the NLGI (National Lubricating Grease Institute)) under a temperature of 25° C., and a melting point within a range of 70° C. to 150° C.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: October 26, 2010
    Assignee: Yamato Mishin Seizo Kabushiki Kaisha
    Inventors: Takashi Mizusaki, Seiji Hashimoto, Masato Okabe
  • Rust preventive package containing bearing for machine tool and and rust preventive packaging method
    Patent number: 7819246
    Abstract: A rust preventive package to contain a bearing used for a machine tool includes a lubricant oil which is used when the bearing is operated, a vaporizable rust preventive sheet wrapped around the bearing, and a box. A method of packaging a bearing used in a machine tool includes applying a lubricant oil which is used when the bearing is operated and wrapping a vaporizable rust preventive sheet around the bearing.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: October 26, 2010
    Assignee: NTN Corporation
    Inventors: Hiroshi Takiuchi, Tadayoshi Yonezawa
  • Powder mixture suitable for sintering to form a self-lubricating solid material
    Patent number: 7816307
    Abstract: The invention relates to a novel self-lubricating solid material; to a method of preparing such a material from a powder mixture; to said powder mixture; and to mechanical parts made of said novel material. Said powder mixture comprises a powder of a metal alloy that is a precursor for the matrix of said material, particles of a first solid lubricant such as CeF3 that are for insertion in said matrix without reacting with said metal alloy, and particles of a second solid lubricant such as WS2 or MoS2 for reacting with a component of said metal alloy during sintering of the powder to form a lubricating phase. Said material can be used for fabricating a bushing that is to receive a root of a variable-pitch vane of an airplane turbojet compressor.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: October 19, 2010
    Assignees: SNECMA, SNECMA Services
    Inventors: Frederic Braillard, Christelle Foucher, Philippe Perruchaut