Patents Assigned to Infineum International Limited
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Patent number: 11332681Abstract: Fouling in a refinery vessel, such as heat transfer equipment, used in a petroleum refinery operation and in which a refineable petroleum feedstock is at an elevated temperature and in fluid communication with the refinery vessel during a petroleum refinery operation, is reduced by providing in the refineable petroleum feedstock an additive comprising (i) a poly(butylenyl)benzene sulphonic acid; or, (ii) a poly(propylenyl)benzene sulphonic acid; or, (iii) a combination of a poly(butylenyl)benzene sulphonic acid and a poly(propylenyl)benzene sulphonic acid.Type: GrantFiled: September 11, 2020Date of Patent: May 17, 2022Assignee: Infineum International LimitedInventors: Colin Morton, Paul D. Kerby, Andrew C. Sutkowski, Krzysztof J. Maranski
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Publication number: 20220135899Abstract: A method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine comprising lubricating the crankcase of the engine with a composition comprising a combination of a molybdenum-containing additive and a boron-containing additive. Preferably, the composition comprises a calcium detergent providing a calcium content of at least 0.08 wt. %, based on the weight of the lubricating oil composition.Type: ApplicationFiled: January 18, 2022Publication date: May 5, 2022Applicant: INFINEUM International LimitedInventors: Robert W. Shaw, Simon R. Crick, Carina E. Foster
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Patent number: 11312918Abstract: A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) one or more zinc dihydrocarbyl dithiophosphate compounds; and (iv) one or more oil-soluble or dispersible molybdenum-containing compounds. Such a transmission fluid may be used for controlling and/or reducing wear, e.g., in a manual transmission.Type: GrantFiled: May 11, 2020Date of Patent: April 26, 2022Assignee: Infineum International LimitedInventors: Dirk Schwaebisch, David Gillot
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Patent number: 11208611Abstract: A lubricating oil composition comprising 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 a polymer comprising units (a) and one or both units (b) and (c): —N(COR1)(CH2)x—??(a) —NH(CH2)y—??(b) —N(CH2CH2-k(CH3)kCOOR2)(CH2)z ??(c) where the total number (n) of units (a), (b) and (c) is an integer between 4 and 500; wherein x, y and z are independently 2 or 3; wherein k is zero or 1. The polymer shows good solubility in the lubricating oil and provides friction modification. A method of synthesising a polymer is also disclosed.Type: GrantFiled: May 26, 2020Date of Patent: December 28, 2021Assignee: Infineum International LimitedInventors: Anthony J. Strong, Beatrice N. Cattoz, Andrew D. Schwarz, Remzi Becer, Ben Drain
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Publication number: 20210388284Abstract: An oil composition comprises at least 50 percent by mass, based on the mass of the composition, of an oil and 0.01 to 25 percent by mass, based on the mass of the composition, of a polymer comprising at least one poly(lactone) segment. The at least one poly(lactone) segment is derived from a lactone substituted by one or two hydrocarbyl groups, or substituted hydrocarbyl groups, at least one such group having at least 4 carbon atoms. The oil compositions are suitable for use in the lubrication of the crankcase of internal combustion engines.Type: ApplicationFiled: June 15, 2021Publication date: December 16, 2021Applicant: Infineum International LimitedInventors: Beatrice N. Cattoz, Peter M. Wright, Andrew Dove, Rachel O'Reilly, Cinzia Clamor
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Patent number: 11142721Abstract: 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: GrantFiled: November 27, 2018Date of Patent: October 12, 2021Assignee: Infineum International LimitedInventors: Andrew D. Schwarz, Manuel Hartweg, Beatrice Cattoz, Daniel J. Phillips, Anthony J. Strong, Remzi Becer
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Publication number: 20210214498Abstract: A polymer comprising units having the structure (I): wherein x is 2 or 3, wherein L is (CH2)y, where y is an integer from 1 to 10, or wherein L is CH(CH3)CH2S(CH2)z, where z is an integer from 1 to 5; wherein [Q] is absent or is a polymerised moiety consisting of units having the structure (II): wherein R is a hydrocarbyl group, or a hydrocarbyl group containing one or more heteroatoms, wherein R may be linear, branched or cyclic, saturated or unsaturated, and wherein R has from 1 to 30 carbon atoms; wherein [Q] either consists of identical units of structure (II), or wherein [Q] consists of more than one different units of structure (II), differing in group R; and wherein X is a halogen or another chain terminating group. The polymers may find use as additives in lubricating compositions where they provide friction improvement and wear reduction.Type: ApplicationFiled: January 14, 2021Publication date: July 15, 2021Applicant: Infineum International LimitedInventors: Jungyeon Kim, Valentin P. Beyer, Remzi Becer, Beatrice N. Cattoz, Anthony J. Strong, Andrew D. Schwarz, Daniel J. Phillips
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Publication number: 20210189928Abstract: A process is provided for commissioning a particulate filter for the exhaust system of a device powered in whole or in part by an internal combustion engine. The process improves the filtration efficiency of an uncarbonized or decarbonized particulate filter through a single deposition of metal oxide particles via a gas stream.Type: ApplicationFiled: December 18, 2020Publication date: June 24, 2021Applicant: Infineum International LimitedInventors: David R. Coultas, Amy J. Challinor, David Jilbert
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Publication number: 20210179760Abstract: A comb copolymer viscosity modifier may be made by polymerization comprising at least, or consisting essentially of, the following monomers: (a) (optionally from 7.0 wt % to 18 wt %, by repeat units, of) a hydrogenated polybutadiene-based (alk)acrylate ester macromonomer; (b) (optionally from 33 wt % to 64 wt % or from 38 wt % to 58 wt %, by repeat units, of) a C3-C8 alkyl (alk)acrylate ester monomer; (c) (optionally up to 35.0 wt %, by repeat units, of) a C12-C24 alkyl (alk)acrylate ester monomer; and (d) (optionally from 3.0 wt % to 27 wt %, by repeat units, of) a C6-C20 aryl, aralkyl, or alkaryl (alk)acrylate ester monomer, such that a sum of repeat units due to (c) plus (d) constitute at least 21.0 wt % of repeat units of the comb copolymer viscosity modifier. Lubricant compositions comprising the comb copolymer viscosity modifier, as well as uses thereof and methods for modifying viscosity and dispersancy, are also contemplated.Type: ApplicationFiled: December 2, 2020Publication date: June 17, 2021Applicant: Infineum International LimitedInventors: Nga Nguyen, Ronald Lewis, Jun Xu, Ewan Galbraith
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Publication number: 20210079308Abstract: Fouling in a refinery vessel, such as heat transfer equipment, used in a petroleum refinery operation and in which a refineable petroleum feedstock is at an elevated temperature and in fluid communication with the refinery vessel during a petroleum refinery operation, is reduced by providing in the refineable petroleum feedstock an additive comprising (i) a poly(butylenyl)benzene sulphonic acid; or, (ii) a poly(propylenyl)benzene sulphonic acid; or, (iii) a combination of a poly(butylenyl)benzene sulphonic acid and a poly(propylenyl)benzene sulphonic acid.Type: ApplicationFiled: September 11, 2020Publication date: March 18, 2021Applicant: Infineum International LimitedInventors: Colin Morton, Paul D. Kerby, Andrew C. Sulkowski, Krzysztof J. Maranski
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Publication number: 20210047576Abstract: A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method includes the step of lubricating the engine using a lubricating oil composition comprising: a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; (c) 0.1 to 10% by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.Type: ApplicationFiled: August 7, 2020Publication date: February 18, 2021Applicant: Infineum International LimitedInventors: Jonathan M. Hughes, Timothy M. Clitherow, Adam P. Marsh
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Patent number: 10876064Abstract: 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: GrantFiled: November 27, 2018Date of Patent: December 29, 2020Assignee: Infineum International LimitedInventors: Andrew D. Schwarz, Manuel Hartweg, Beatrice Cattoz, Daniel J. Phillips, Anthony J. Strong, Remzi Becer
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Patent number: 10870809Abstract: Fouling in a hydrocarbon refining process is reduced by adding to a crude hydrocarbon for a refining process, an additive combination including: (A) a polyalkenyl-substituted carboxylic acid or anhydride, and (B) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent, where the mass:mass ratio of (A) to (B) is in the range of 10:1 to 1:10, and the treat rate of the additive combination is in the range of 5 to 1000 ppm by mass.Type: GrantFiled: June 28, 2018Date of Patent: December 22, 2020Assignee: Infineum International LimitedInventors: Andrew C. Sutkowski, Krzysztof J. Maranski, Paul Kerby
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Publication number: 20200369976Abstract: A lubricating oil composition comprising 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 a polymer comprising units (a) and one or both units (b) and (c): —N(COR1)(CH2)x—??(a) —NH(CH2)y—??(b) —N(CH2CH2-k(CH3)kCOOR2)(CH2)z ??(c) where the total number (n) of units (a), (b) and (c) is an integer between 4 and 500; wherein x, y and z are independently 2 or 3; wherein k is zero or 1. The polymer shows good solubility in the lubricating oil and provides friction modification. A method of synthesising a polymer is also disclosed.Type: ApplicationFiled: May 26, 2020Publication date: November 26, 2020Applicant: Infineum International LimitedInventors: Anthony J. Strong, Beatrice N. Cattoz, Andrew D. Schwarz, Remzi Becer, Ben Drain
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Publication number: 20200354647Abstract: A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) one or more zinc dihydrocarbyl dithiophosphate compounds; and (iv) one or more oil-soluble or dispersible molybdenum-containing compounds. Such a transmission fluid may be used for controlling and/or reducing wear, e.g., in a manual transmission.Type: ApplicationFiled: May 11, 2020Publication date: November 12, 2020Applicant: Infineum International LimitedInventors: Dirk Schwaebisch, David Gillot
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Patent number: 10829573Abstract: A process for the preparation of polybutene having an exo-olefin content of at least 50 mol. % from an isobutene-containing monomer feedstock, which process comprises contacting said isobutene-containing feedstock with a Lewis acid catalyst complexed with a Lewis base, in an apolar polymerization medium, and initiating polymerization of said isobutene-containing feedstock. The Lewis acid catalyst is of formula R?AlCl2, wherein R? is hydrocarbyl; the Lewis base is a dihydrocarbyl ether wherein each hydrocarbyl group is independently selected from C1-C8 hydrocarbyl groups and one or both hydrocarbyl groups of the dihydrocarbyl ether are substituted with an electron-withdrawing group; and the initiator is a compound of formula RX, wherein X is a halide; R is a hydrocarbyl group capable of forming a stable carbocation, and the carbon linking group R to group X is tertiary, benzylic, or allylic.Type: GrantFiled: May 21, 2019Date of Patent: November 10, 2020Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Phillip Dimitrov, Richard J. Severt, Peter J. Hobin, Kyle Nesti
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Patent number: 10829712Abstract: A crankcase lubricating oil composition for the crankcase of a spark-ignited or compression-ignited internal combustion engine, comprising a magnesium-containing detergent, in an amount sufficient to provide from 200-4000 ppm magnesium to the lubricating oil composition, in combination with an oil-soluble or oil-dispersible molybdenum compound in an amount sufficient to provide from 600-1500 ppm molybdenum atoms to the lubricating oil composition, and with an oil-soluble or oil-dispersible boron-containing compound in an amount sufficient to provide from 200-600 ppm boron atoms to the lubricating oil composition to improve the friction and fuel economy performance.Type: GrantFiled: June 29, 2017Date of Patent: November 10, 2020Assignee: INFINEUM INTERNATIONAL LIMITEDInventor: Joseph P. Hartley
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Patent number: 10829709Abstract: Concentrates of linear, block copolymers having a polymer block derived from a monoalkenyl arene, covalently linked to one or more blocks of a hydrogenated derivative of a conjugated diene copolymer, dissolved in highly saturated diluent oil, wherein the size of the monoalkenyl arene block is controlled to provide an optimized level of incompatibility of the block copolymer in the selected diluent.Type: GrantFiled: October 22, 2014Date of Patent: November 10, 2020Assignee: Infineum International LimitedInventors: Rajiv Taribagil, Isabella Goldmints, Stuart Briggs, Bogdan Barboiu, Richard D. Bertram, Robin H. Scott
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Patent number: 10781393Abstract: A lubricating oil composition comprises a major amount of an oil of lubricating viscosity and a minor amount of an unsymmetrical bis-succinimide, or a mixture of unsymmetrical bis-succinimides, of the structure (I): wherein one of R1 and R2 is a polyisobutylene group having a weight average molecular weight of 400 to 5,000, as determined by GPC with reference to linear polystyrene standards, and the other of R1 and R2 is a hydrocarbon group made by the metallocene-catalysed polymerisation of an ?-olefin feedstock; and x is from 1 to 10 and is the same for all molecules of structure (I), or an average of all molecules of structure (I) in a mixture of molecules of structure (I).Type: GrantFiled: December 27, 2018Date of Patent: September 22, 2020Assignee: Infineum International LimitedInventors: Laura A. Kahsar, Keith R. Gorda
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Patent number: 10781392Abstract: The use of polyalkylenyl succinic anhydrides to stabilize an additive concentrate which includes a salicylate detergent and a nitrogen-free ashless organic friction modifier.Type: GrantFiled: March 22, 2017Date of Patent: September 22, 2020Assignee: Infineum International LimitedInventors: Philip J. Woodward, Adam P. Marsh