Patents Assigned to Infineum International Limited
  • Phenate detergent preparation
    Patent number: 9550958
    Abstract: A sulphurised calcium phenate detergent is made by (i) reacting hydrogenated distlled CNSL with a calcium salt and sulphur in the presence of a promoter and process solvent; (ii) reacting the product of (i) with additional calcium salt and promoter, and with a co-surfactant, and then carbonating; and optionally (iii) further carbonating the reaction mixture to obtain overbased sulphurised calcium phenate.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 24, 2017
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Adam P. Marsh, Dirk Schwaebisch, Oliver J. Delamore
  • METHOD OF IMPROVING VEHICLE TRANSMISSION OPERATION THROUGH USE OF SPECIFIC LUBRICANT COMPOSITIONS
    Publication number: 20170015931
    Abstract: A vehicle transmission incorporating a wet clutch, said clutch being lubricated by a transmission fluid containing a major amount of a lubricating oil and a minor amount of an additive composition including: (i) a compound of structure (I): wherein a is an integer from 1 to 10 and R is a hydrocarbon group made by the metallocene-catalysed polymerisation of an alphaolefin feedstock, said feedstock being 1-octene, 1-decene, 1-dodecene or any mixture thereof; (ii) a friction modifier; and (iii) an oil-soluble phosphorus compound.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 19, 2017
    Applicant: Infineum International Limited
    Inventors: Raymond F. Watts, Keith R. Gorda, Hahn Soo Kim
  • Additives for fuels and oils comprising Functionalised diblock copolmers
    Patent number: 9540583
    Abstract: Concentrates containing specific functionalized diblock copolymers serve as effective additives for improving the cold flow behavior of fuels and oils, the copolymers being derived from a terminally-unsaturated intermediate polymer obtained via a metallocene process involving hydrogen.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: January 10, 2017
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Carl Waterson, Kenneth Lewtas, Peter Scott, Christopher J. Kay, Giles W. Theaker, Peter M. Wright
  • Additive Package for Marine Engine Lubrication
    Publication number: 20170002286
    Abstract: An additive package for a two- or four-stroke marine engine lubricant comprises an oil of lubricating viscosity, a salicylate detergent and a sulfonate detergent in a ratio of 90/10 to 10/90 (expressed as mmol of soap), and 1 to 10 mass % of a hydrocarbylphenol-aldehyde condensate.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 5, 2017
    Applicant: Infineum International Limited
    Inventors: Luciana G. Angonesi, Peter D. Watts, Robert C. Hough
  • Marine engine lubrication
    Patent number: 9534185
    Abstract: Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition of TBN in the range of 20 to 60 comprising a major amount of an oil of lubricating viscosity containing 50 mass % or more of a Group 1 basestock, and respective minor amounts of a calcium alkyl salicylate detergent system providing 40 to 90 mmol of calcium alkyl salicylate per kg of the composition, and 1 to 7 mass %, based on the mass of the composition, of an oil-soluble polyalkenyl-substituted carboxylic acid anhydride, wherein the or at least one polyalkenyl group is derived from a polyalkene having a number average molecular weight of from 200 to 3,000. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: January 3, 2017
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: James C. Dodd, Louise Renouf
  • Lubricant composition comprising a bi-modal side-chain distribution LOFI
    Patent number: 9518244
    Abstract: A lubricant composition is disclosed. The lubricant composition is made up of (a) an API Group III base stock; (b) one or more semi-crystalline viscosity modifier; and (c) one or more LOFIs having a side-chain distribution which satisfies the following requirements: (1) the distribution contains side chains ranging from C8 to C18 with an average carbon number ranging from 12.4 to 14.4; (2) the side chain distribution is bi-modal with a lower portion of the bi-modal distribution made up primarily of C12 and an upper portion of the distribution made up primarily of C16, C18 or combinations thereof; (3) the total mole % of the upper portion of the distribution must be less than that of the lower portion of the distribution; and (4) the amount of C12 on the side chain must be at least 40 mole % of the total side chain distribution.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: December 13, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Ricardo A. Bloch, Doyle H. Boese, David J. Martella
  • Additive Compositions and to Fuel Oils
    Publication number: 20160333282
    Abstract: An additive composition comprises a polymer (A) and a condensation product (B).
    Type: Application
    Filed: May 13, 2016
    Publication date: November 17, 2016
    Applicant: Infineum International Limited
    Inventors: Sally A. Hopkins, Dhanesh G. Goberdhan, Giles W. Theaker
  • Lubricant test method
    Patent number: 9488612
    Abstract: A method of determining the compatibility of a lubricating fluid with an energized electrical or electronic component comprises: (a) contacting a test apparatus with the fluid; (b) applying an electrical current to the test apparatus; and (c) monitoring the current flow through the test apparatus over time. The test apparatus includes at least one pair of conductors separated by an insulator that does not extend across the whole of the opposing surfaces of the conductors. The electrical current is applied across the pair of conductors. Also described is a device for performing the method, a method of selecting a lubricant and a lubricant so selected.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 8, 2016
    Assignee: Infineum International Limited
    Inventor: Raymond F. Watts
  • Marine engine lubrication
    Patent number: 9464254
    Abstract: A two-stroke, cross-head, slow-speed, compression-ignited marine engine is operated by (i) fuelling it with a diesel fuel, as a pilot fuel, and with a low sulphur fuel, as a main fuel; and (ii) lubricating the engine cylinder(s) with a lubricant having a BN of 20 or less and having a detergent additive system comprising at least two different metal detergents each having one surfactant group selected from phenate, salicylate and sulphonate, or one or more complex metal detergents containing two or more different surfactant soap groups selected from phenate, salicylate and sulphonate.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: October 11, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventor: James C. Dodd
  • Marine Engine Lubrication
    Publication number: 20160230113
    Abstract: A trunk piston marine engine lubricant comprises in respective minor amounts (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent system, and (B) a hydrocarbyl-substituted succinic acid anhydride made by halogen- or radical-assisted functionalization processes, where the ratio of succinic anhydride to hydrocarbyl chains is in the range of 1.4 to 4. The lubricant, when used to lubricate such an engine fuelled by heavy fuel oil, exhibits improved control of asphaltene precipitation and deposition on engine surfaces.
    Type: Application
    Filed: October 27, 2015
    Publication date: August 11, 2016
    Applicant: Infineum International Limited
    Inventors: Tushar K. Bera, Rachel Tundel, Laura Gregory, Peter M. Wright
  • Wet friction clutch—lubricant systems providing high dynamic coefficients of friction through the use of borated detergents
    Patent number: 9365794
    Abstract: A wet friction clutch—lubricant system wherein a wet friction clutch having a cellulose—based friction lining having a surface coating of silica based particles, or a device including such a clutch, is lubricated with a lubricant composition a major amount of oil of lubricating viscosity and minor effective amounts of performance enhancing additives including (a) ashless dispersant; (b) organic phosphorus compound and (c) borated detergents; and optionally, (d) an auxiliary friction modifier.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: June 14, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Joe R. Noles, Jr., Hirokazu Saito, Philip Skinner, Raymond F. Watts, Keiji Hayashi, Atsushi Suzuki, Koji Saito
  • MARINE ENGINE LUBRICATION
    Publication number: 20160160149
    Abstract: A trunk piston marine engine lubricant comprises in respective minor amounts (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent system, and (B) a hydrocarbyl-subsituted succinic acid anhydride, preferably made by halogen- or radical-assisted fractionalization processes, where the ratio of succinic anhydride to hydrocarbyl chains is in the range of 1.4 to 4. The lubricant, when used to lubricate such an engine fuelled by heavy fuel oil, exhibits improved control of asphaltene precipitation and deposition on engine surfaces.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 9, 2016
    Applicant: Infineum International Limited
    Inventors: Tushar K. Bera, Laura Gregory, Rachel Tundel, Peter M. Wright
  • Marine engine lubrication
    Patent number: 9353330
    Abstract: A trunk piston lubricating oil composition of TBN 20 to 60 comprising (A) a high saturates low sulphur oil of lubricating viscosity in a major amount; (B) an overbased metal hydroxybenzoate detergent additive; (C) a polyisobutene succinic anhydride additive (1-7 mass %); and (D) a meta-linear pentadecyl phenol additive (10.1 to 10 mass %), the weight ratio of (D) to (C) being less than 1 and the combined treat rate of (B), (C) and (D) being 5 to 30%. The composition is useful to improve asphaltene dispersancy when lubricating a medium-speed compression-ignited marine engine fueled by a heavy fuel oil.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: May 31, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventor: Laura Gregory
  • Lubricating oil composition
    Patent number: 9347019
    Abstract: A low sulphated ash lubricating oil composition comprises an ashless aromatic amine antioxidant and an overbased magnesium detergent which exhibits improved thermal oxidation stability.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: May 24, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Robert W. Shaw, James L. Head, Marco Corradi, Shamsedin Rostami
  • Detergent modification
    Patent number: 9340744
    Abstract: An overbased sulphurised calcium phenate detergent additive, made from an aldylphenol, has oxyalkylated phenolic functional groups from unreacted alkylphenol starting material.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: May 17, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Adam P. Marsh, Oliver J. Delamore, Myriam Yagoubi
  • POWER TRANSMITTING FLUIDS WITH IMPROVED MATERIALS COMPATIBILITY
    Publication number: 20160122680
    Abstract: A power transmitting fluid comprises a major amount of a lubricating oil and a minor amount of an additive composition. The additive composition comprises: (a) a friction modifier of the formula: (b) an oil-soluble phosphorus compound; and, (c) an ashless dispersant; wherein R1 and R2 may be the same or different and represent linear or branched, saturated or unsaturated hydrocarbyl groups having from 8 to 20 carbon atoms. Z represents a polyoxyalkylene segment or a polyalkoxylated alkyl amine segment. The friction modifiers provide the fluid with improved fluoroelastomer seal compatibility and enhanced copper corrosion compatibility.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 5, 2016
    Applicant: Infineum International Limited
    Inventors: Raymond F. Watts, Keith R. Gorda
  • LUBRICANT TEST METHOD
    Publication number: 20150355122
    Abstract: A method of determining the compatibility of a lubricating fluid with an energized electrical or electronic component comprises: (a) contacting a test apparatus with the fluid; (b) applying an electrical current to the test apparatus; and (c) monitoring the current flow through the test apparatus over time. The test apparatus includes at least one pair of conductors separated by an insulator that does not extend across the whole of the opposing surfaces of the conductors. The electrical current is applied across the pair of conductors. Also described is a device for performing the method, a method of selecting a lubricant and a lubricant so selected.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: Infineum International Limited
    Inventor: Raymond F. Watts
  • LUBRICATING OIL COMPOSITIONS
    Publication number: 20150344812
    Abstract: A lubricating oil composition having a sulphated ash content of less than or equal to 1.2 mass % as determined by ASTM D874 and a phosphorous content of less than or equal to 0.12 mass % as determined by ASTM D5185, which lubricating oil composition comprises or is made by admixing: an oil of lubricating viscosity, in a major amount; an oil-soluble or oil-dispersible polymeric friction modifier as an additive in an effective minor amount; and, an oil-soluble or oil-dispersible dihydrocarbyl dithiophosphate metal salt as an additive in an effective minor amount.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 3, 2015
    Applicant: Infineum International Limited
    Inventors: Anthony J. Strong, Philip J. Woodward
  • LUBRICATING OIL COMPOSITIONS
    Publication number: 20150344813
    Abstract: A lubricating oil composition having a sulphated ash content of less than or equal to 1.2 mass % as determined by ASTM D874 and a phosphorous content of less than or equal to 0.12 mass % as determined by ASTM D5185, which lubricating oil composition comprises or is made by admixing: an oil of lubricating viscosity, in a major amount; an oil-soluble or oil-dispersible polymeric friction modifier as an additive in an effective minor amount; and, an oil-soluble or oil-dispersible dihydrocarbyl dithiophosphate metal salt as an additive in an effective minor amount.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 3, 2015
    Applicant: Infineum International Limited
    Inventors: Anthony J. Strong, Philip J. Woodward
  • LUBRICATING OIL COMPOSITIONS
    Publication number: 20150344811
    Abstract: A lubricating oil composition having a sulphated ash content of less than or equal to 1.2 mass % as determined by ASTM D874 and a phosphorous content of less than or equal to 0.12 mass % as determined by ASTM D5185, which lubricating oil composition comprises or is made by admixing: an oil of lubricating viscosity, in a major amount; an oil-soluble or oil-dispersible polymeric friction modifier as an additive in an effective minor amount; and, at least one oil-soluble or oil-dispersible molybdenum compound as an additive in an effective minor amount.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 3, 2015
    Applicant: Infineum International Limited
    Inventors: Anthony J. Strong, Philip J. Woodward