Patents Assigned to Infineum International Limited
-
Patent number: 10731100Abstract: A viscosity index improver containing, in non-ester diluent oil, one or more hydrogenated, functionalized linear block copolymers having at least one block derived from monoalkenyl arene covalently linked to at least one block derived from diene in an amount that is greater than the critical overlap concentration (ch*), in mass %, for the linear block copolymers in the diluent oil; and an amount of ester base stock.Type: GrantFiled: May 4, 2018Date of Patent: August 4, 2020Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Rajiv R. Taribagil, Stuart A. Taylor, Stuart Briggs, Laurent Chambard
-
Low ash and ash-free acid neutralizing compositions and lubricating oil compositions containing same
Patent number: 10731103Abstract: An oleaginous nanoparticle dispersion of nanoparticles having a core of an organic base material immobilized within a surfactant layer, the use thereof as a low ash, or ash-free source of TBN in lubricating oil compositions, and lubricating oil compositions formulated with such oleaginous nanoparticle dispersions.Type: GrantFiled: December 11, 2017Date of Patent: August 4, 2020Assignee: Infineum International LimitedInventors: Jacob Emert, Rachel Tundel, Peter Wright, Sandip Agarwal, Xinhua Li, Joseph McLellan, Patrick Reust -
Patent number: 10731101Abstract: A lubricating oil composition which comprises a sulphur containing anti-oxidant and an alkene which exhibits improved nitrile elastomer seal compatibility.Type: GrantFiled: October 12, 2018Date of Patent: August 4, 2020Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Oliver J. Delamore, Nigel A. Male, Alastair A. Cant, Philip J. Woodward
-
Publication number: 20200224109Abstract: Fouling and/or asphaltene agglomeration (or flocculation) in midstream processes and transportation and in upstream transportation of a hydrocarbon oil is reduced by providing in the oil an additive combination including; (A) a polyalkenyl-substituted carboxylic acid or anhydride, and (B) a metal detergent system comprising a hydrocarbyl-substituted hydroxybenzoate metal salt or a hydrocarbyl-substituted sulfonate metal salt or a mixure of both salts or a complex thereof, where the mass:mass ratio of (A) to (B) is in the range of 20:1 to 1:20 and the treat rate of the additive is in the range of 5 to 10000 ppm by mass.Type: ApplicationFiled: December 9, 2019Publication date: July 16, 2020Applicant: Infineum International LimitedInventors: Paul D. Kerby, Andrew C. Sutkowski, Krzysztof J. Maranski, Nichola Kyle
-
Patent number: 10711219Abstract: An automatic transmission fluid comprises a major amount of an oil of lubricating viscosity and minor amounts of (a) one or more oil-soluble or dispersible molybdenum-containing compounds, and (b) a reaction product of an isomerized alkenyl-substituted succinic anhydride and a polyamine characterized by structure (II): In structure (II) x and y are independently zero or integers from 1 to 30, where x+y is from 1 to 30, and z is zero or an integer from 1 to 10.Type: GrantFiled: December 11, 2017Date of Patent: July 14, 2020Assignee: Infineum International LimitedInventors: HahnSoo Kim, Laura Kahsar
-
Publication number: 20200165536Abstract: A lubricating oil composition, a method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine, and a use of a lubricant composition to reduce LSPI events in such an engine. Preferably, the composition comprises a detergent package comprising a borated calcium detergent, wherein the detergent package provides a calcium content in the composition of at least 0.12 mass %, based on the total mass of the composition, and wherein the borated calcium detergent provides a boron content in the composition of at least 100 ppmm, based on the total mass of the composition. Optionally, the composition comprises a first detergent comprising a calcium detergent, and a second detergent comprising a borated calcium detergent.Type: ApplicationFiled: January 30, 2020Publication date: May 28, 2020Applicant: Infineum International LimitedInventors: Joseph P. Hartley, Anne W. Young
-
Publication number: 20200148969Abstract: A metal-containing detergent, suitable for use as a lubricant additive, in the form of a concentrate in oil in which a basic metal-containing material is maintained in dispersion or solution in the oil by a gemini surfactant system comprising, or being derivable or derived from, a double bond-unsaturated carboxylic acid having 8 to 30 carbon atoms, the double bond or bonds of which being functionalized to carry polar groups across or on the double bond or bonds and the carboxylic acid group or groups thereof being functionalized to become an amide or ester group carrying at least one alkyl group having 4 to 20 carbon atoms.Type: ApplicationFiled: January 17, 2020Publication date: May 14, 2020Applicant: Infineum International LimitedInventors: Peter J. Dowding, Elin J. Eis
-
Patent number: 10584300Abstract: A lubricating oil composition, a method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine, and a use of a lubricant composition to reduce LSPI events in such an engine. Preferably, the composition comprises a detergent package comprising a borated calcium detergent, wherein the detergent package provides a calcium content in the composition of at least 0.12 mass %, based on the total mass of the composition, and wherein the borated calcium detergent provides a boron content in the composition of at least 100 ppmm, based on the total mass of the composition. Optionally, the composition comprises a first detergent comprising a calcium detergent, and a second detergent comprising a borated calcium detergent.Type: GrantFiled: February 28, 2018Date of Patent: March 10, 2020Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Joseph P. Hartley, Anne W. Young
-
Patent number: 10487288Abstract: A lubricant additive concentrate containing 30 to 80 mass % oil of lubricating viscosity and from 20 to 70 mass % of additive; wherein from 30 to 90 mass % of the additive is (i) hybrid overbased colloidal detergent derived from sulfonate surfactant and hydroxybenzoate surfactant; and (ii) polyalkenyl succinimide dispersant derived from a polyalkene having a number average molecular weight (Mn) of from 1300 to 2500 daltons, and wherein the mass ratio of polyalkenyl succinimide dispersant (ii) to hybrid overbased colloidal detergent (i) in the lubricant additive is from 25:1 to 1:1.Type: GrantFiled: September 16, 2015Date of Patent: November 26, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Philip Skinner, Daniel Whyte, Peter D. Watts, Jacob Emert
-
Publication number: 20190300810Abstract: The invention relates to reducing friction coefficient in automotive lubricating oil, in particular although not exclusively at lower temperature by combining molybdenum dithiocarbamate additives with benzotriazole derivative corrosion inhibitors.Type: ApplicationFiled: March 19, 2019Publication date: October 3, 2019Applicant: Infineum International LimitedInventors: Kunihiro Kouno, Shunsuke Matsumoto
-
Patent number: 10364404Abstract: 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: GrantFiled: October 27, 2015Date of Patent: July 30, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Tushar K. Bera, Rachel Tundel, Laura Gregory, Peter M. Wright
-
Patent number: 10358618Abstract: 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: GrantFiled: June 2, 2015Date of Patent: July 23, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Anthony J. Strong, Philip J. Woodward
-
Patent number: 10344239Abstract: An additive composition containing a polymer (A) and an anti-static additive (B).Type: GrantFiled: May 13, 2016Date of Patent: July 9, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Dhanesh G. Goberdhan, Sally A. Hopkins, Giles W. Theaker
-
LOW ASH AND ASH-FREE ACID NEUTRALIZING COMPOSITIONS AND LUBRICATING OIL COMPOSITIONS CONTAINING SAME
Publication number: 20190177650Abstract: An oleaginous nanoparticle dispersion of nanoparticles having a core of an organic base material immobilized within a surfactant layer, the use thereof as a low ash, or ash-free source of TBN in lubricating oil compositions, and lubricating oil compositions formulated with such oleaginous nanoparticle dispersions.Type: ApplicationFiled: December 11, 2017Publication date: June 13, 2019Applicant: Infineum International LimitedInventors: Jacob Emert, Rachel Tundel, Peter Wright, Sandip Agarwal, Xinhua Li, Joseph McLellan, Patrick Reust -
Publication number: 20190169528Abstract: An additive concentrate package for a marine engine cylinder lubricant is made by mixing an oil of lubricating viscosity, a metal detergent and an oil-soluble alkoxylated alcohol.Type: ApplicationFiled: November 30, 2018Publication date: June 6, 2019Applicant: Infineum International LimitedInventors: Louise Renouf, Stuart A. Taylor, Philip J. Woodward
-
Patent number: 10308593Abstract: A fuel oil composition comprising a major amount of a fuel oil and a minor amount of a compound being the product of the 1,4-addition reaction of (i) ammonia, a primary or secondary hydrocarbyl-substituted amine or a mixture thereof to (ii) a species containing one or more ?,?-unsaturated carbonyl groups, wherein the compound includes at least one hydrocarbyl group containing at least 10 carbon atoms. The fuel oil composition has improved low temperature properties.Type: GrantFiled: December 10, 2009Date of Patent: June 4, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventor: Graham Jackson
-
Publication number: 20190161698Abstract: A lubricating composition comprises a major amount of an oil of lubricating viscosity and 0.01 to 25 percent by mass, based on the mass of the composition of an oil-soluble copolymer, The copolymer comprises units (a) and units (b): —N(COR1)CH2CH2—??(a) —N(COR2)CH2CH2CH2—??(b) wherein the polymer carries an inorganic or organic nucleophilic polymerisation terminating group (t), and an initiator group (i) connected to the N atom of a repeat unit (a) or (b), the initiator group (i) being effective to initiate the polymerisation of linear branched or cyclic hydrocarbyl moieties. R1 and R2 are the same or different and comprise a single or a mixture of linear, branched or cyclic hydrocarbyl groups having 1-50 carbon atoms, some or all having 12-50 carbon atoms, or of at least one macro-monomeric hydrocarbyl group with more than 50 carbon atoms.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Applicant: Infineum International LimitedInventors: Andrew D. Schwarz, Manuel Hartweg, Beatrice Cattoz, Daniel J. Phillips, Anthony J. Strong, Remzi Becer
-
Publication number: 20190161696Abstract: A lubricating composition comprises a major amount of an oil of lubricating viscosity and 0.01 to 25 percent by weight based on the weight of the composition, of a poly(2-oxazoline) polymer. The polymer has the repeat unit: —N(COR1)CH2CH2— wherein the number of repeat units (n) in the polymer is an integer between 4 and 1000, such as between 4 and 500. The polymer carries an inorganic or organic nucleophilic polymerisation terminating group (t), and an initiator group (i) connected to the N atom of a repeat unit, the initiator group (i) being effective to initiate the polymerisation of linear, branched or cyclic hydrocarbyl moieties. At least 5% of the total number of the groups R1 in the polymer comprise alkenyl groups having between 15 and 20 carbon atoms.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Applicant: Infineum International LimitedInventors: Andrew D. Schwarz, Manuel Hartweg, Beatrice Cattoz, Daniel J. Phillips, Anthony J. Strong, Remzi Becer
-
Publication number: 20190161697Abstract: A lubricating composition comprises at least 50 percent by mass, based on the mass of the composition of an oil of lubricating viscosity and 0.01 to 25 percent by mass, based on the mass of the composition of an oil-soluble poly(2-oxazine) polymer. The polymer has the repeat unit: where the number (n) of repeat units is an integer between 4 and 500, such as between 4 and 400. The polymer carries an inorganic or organic nucleophilic polymerisation terminating group (t), and an initiator group (i) connected to the N atom of a repeat unit, the initiator group (i) being effective to initiate the polymerisation of linear, branched or cyclic hydrocarbyl moieties. R1 comprises a single or a mixture of linear, branched or cyclic hydrocarbyl groups having 1-50 carbon atoms, some or all having 12-50 carbon atoms, or of at least one macro-monomeric hydrocarbyl group with more than 50 carbon atoms.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Applicant: Infineum International LimitedInventors: Andrew D. Schwarz, Manuel Hartweg, Beatrice Cattoz, Daniel J. Phillips, Anthony J. Strong, Remzi Becar
-
Patent number: 10294437Abstract: An additive composition comprises a polymer (A) and a condensation product (B) wherein Polymer (A) comprises the following monomer components: (i) one or more compounds of formula (I) (ii) one or more compounds of formula (II); and (iii) one or more compounds of formula (III); wherein condensation product (B) comprises the product formed by the reaction of an aliphatic aldehyde or ketone, or a reactive equivalent, with a substituted phenol or mixture of substituted phenols; The weight:weight ratio of the polymer (A) to the condensation product (B) is from 1:20 to 20:1.Type: GrantFiled: May 13, 2016Date of Patent: May 21, 2019Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Sally A. Hopkins, Dhanesh G. Goberdhan, Giles W. Theaker