Patents by Inventor Mark Clift SOUTHBY
Mark Clift SOUTHBY has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230287292Abstract: The present invention provides an engine oil composition including 70 to 95 percent by weight of a base oil and 0.01 to 15 percent by weight of a dispersant comb polymer, based on the overall weight of the engine oil composition. The dispersant comb polymer consists of 13.7% by weight of a macromonomer, which is an ester of methacrylic acid and a hydroxylated hydrogenated polybutadiene with Mn of 4750 g/mol; 51.5% by weight of n-butyl methacrylate; 17.3% by weight of LMA; 11.2% by weight of styrene; 0.2% by weight of methyl methacrylate; and 6.10% by weight of N,N-dimethylaminoethyl methacrylate. The modified dispersant inhibitor package contains 30 wt % or less of succinimide type dispersant based on the overall weight of the modified dispersant inhibitor additive package, and the engine oil composition has an SAE viscosity grade of 0W-X, wherein X is 30 or less.Type: ApplicationFiled: September 1, 2021Publication date: September 14, 2023Inventors: Priyanka Subhash DESAI, Mark Clift SOUTHBY
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Patent number: 11499106Abstract: A fuel composition comprising a base fuel and at least one viscosity index (VI) improving additive, wherein the viscosity index (VI) improving additive is a functionalized dispersant olefin copolymer. The viscosity index (VI) improving additive provides improved power output and/or acceleration characteristics.Type: GrantFiled: November 22, 2019Date of Patent: November 15, 2022Assignee: SHELL USA, INC.Inventors: Alastair Graham Smith, Claire Griffiths, Mark Clift Southby, Tushar Bera
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Patent number: 11499107Abstract: Use of a liquid fuel composition in an internal combustion engine, the internal combustion engine containing a lubricating composition for lubricating said internal combustion engine, wherein the liquid fuel composition comprises at least one nitrogen-containing detergent additive, for the purpose of reducing engine wear caused by the presence of soot in the lubricating composition.Type: GrantFiled: July 1, 2019Date of Patent: November 15, 2022Assignee: SHELL USA, INC.Inventors: Mark Clift Southby, Renate Uitz-Choi, Roger Francis Cracknell, Joseph Michael Russo, Neal Matthew Morgan, Artemis Kontou
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Publication number: 20220002627Abstract: A fuel composition comprising a base fuel and at least one viscosity index (VI) improving additive, wherein the viscosity index (VI) improving additive is a functionalized dispersant olefin copolymer. The viscosity index (VI) improving additive provides improved power output and/or acceleration characteristics.Type: ApplicationFiled: November 22, 2019Publication date: January 6, 2022Inventors: Alastair Graham SMITH, Claire GRIFFITHS, Mark Clift SOUTHBY, Tushar BERA
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Publication number: 20210380894Abstract: A fuel composition comprising a base fuel and at least one viscosity index (VI) improving additive, wherein the viscosity index (VI) improving additive is a star-shaped polyisoprene-based polymer. The viscosity index improving additive can be used in a fuel composition to provide improved lubricity as well as providing improved power output and/or acceleration characteristics.Type: ApplicationFiled: October 3, 2019Publication date: December 9, 2021Inventors: Alastair Graham SMITH, Claire GRIFFITHS, Mark Clift SOUTHBY, Tushar BERA
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Publication number: 20210277319Abstract: Use of a liquid fuel composition in an internal combustion engine, the internal combustion engine containing a lubricating composition for lubricating said internal combustion engine, wherein the liquid fuel composition comprises at least one nitrogen-containing detergent additive, for the purpose of reducing engine wear caused by the presence of soot in the lubricating composition.Type: ApplicationFiled: July 1, 2019Publication date: September 9, 2021Inventors: Mark Clift SOUTHBY, Renate UITZ-CHOI, Roger Francis CRACKNELL, Joseph Michael RUSSO, Neal Matthew MORGAN, Artemis KONTOU
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Patent number: 10913916Abstract: Lubricating composition comprising (i) base oil and (ii) a metal-free phosphonate compound having the general formula P(?O)(R1)(OR2)(OR3) wherein R1, R2 and R3 are the same or different and each independently selected from a straight chain or branched, saturated or unsaturated, C4-C22 alkyl group. The lubricating composition of the present invention provides improved engine durability, improved wear and friction reduction, improved fuel economy and excellent oxidative stability.Type: GrantFiled: October 30, 2015Date of Patent: February 9, 2021Assignee: Shell Oil CompanyInventors: Sergio Leon De Rooy, Mark Clift Southby
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Publication number: 20200095516Abstract: Use of a nitrogen-containing ashless dispersant in a lubricating composition for the purpose of reducing wear in the presence of ZDTP and soot wherein the nitrogen-containing ashless dispersant has a Functionality (F) of greater than 1.4.Type: ApplicationFiled: April 18, 2018Publication date: March 26, 2020Inventors: Mark Clift SOUTHBY, Neal Matthew MORGAN, Artemis KONTOU, Hugh Alexander SPIKES
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Publication number: 20180037838Abstract: The present invention relates to a method for advancing the spark timing of a spark-ignited internal combustion engine, the method comprising lubricating the spark-ignited internal combustion engine with a lubricating composition comprising base oil and an anti-knock additive, wherein the anti-knock additive is an aromatic amine.Type: ApplicationFiled: February 18, 2016Publication date: February 8, 2018Inventors: Caroline Nicola ORLEBAR, Neal Matthew MORGAN, Mark Clift SOUTHBY
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Publication number: 20170335225Abstract: Lubricating composition comprising (i) base oil and (ii) a metal-free phosphonate compound having the general formula P(?O)(R1)(OR2)(OR3) wherein R1, R2 and R3 are the same or different and each independently selected from a straight chain or branched, saturated or unsaturated, C4-C22 alkyl group. The lubricating composition of the present invention provides improved engine durability, improved wear and friction reduction, improved fuel economy and excellent oxidative stability.Type: ApplicationFiled: October 30, 2015Publication date: November 23, 2017Inventors: Sergio Leon DE ROOY, Mark Clift SOUTHBY
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Publication number: 20170275555Abstract: A lubricating composition for use in the crankcase of an engine comprising (i) a base oil; (ii) one or more organo-molybdenum compounds at a level sufficient to provide from 100 to 1000 ppmw of molybdenum; and (iii) from 0.2 wt % to 5.0 wt %, by weight of the lubricating composition, of one or more organic polymeric friction reducing additives, wherein the one or more organic polymeric friction reducing additives has a molecular weight ranging from 1000 to 30000 Daltons and is the reaction product of: a) a hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins, polyacrylics and polystyrenyls; b) a hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides; c) optionally at least one backbone moiety capable of linking together polymeric sub units; and d) optionally a chain terminating group.Type: ApplicationFiled: June 17, 2015Publication date: September 28, 2017Inventors: Mark Clift SOUTHBY, Hong GAO, Cheng CHEN, Coleen Anne CHIN, Brian Lee PAPKE
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Publication number: 20170009180Abstract: Lubricating composition for use in the crankcase of an engine comprising: (i) a base oil comprising at least one monoester or a mixture of monoesters, wherein said monoester or mixture of monoesters has a kinematic viscosity at 100° C. of not more than 4 mm2/s, a viscosity index of at least 130 and a Noack evaporation loss of not more than 20 wt %; and (ii) a polymeric viscosity index improvers selected from (a) one or more comb polymers; (b) a poly(meth)acrylate polymer having 1 to 70 mol % of one or more (meth)acrylate structural units represented by formula (1) below (1) wherein R1 is a hydrogen atom or a methyl group, and R2 is a straight chain or branched hydrocarbon group having not less than 16 carbon atoms; (c) styrene-diene hydrogenated copolymers; and (d) mixtures thereof. The lubricating composition of the present invention provides improved fuel economy properties.Type: ApplicationFiled: December 22, 2014Publication date: January 12, 2017Inventors: Cheng CHEN, Mark Clift SOUTHBY, Zhou XU
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Publication number: 20160010023Abstract: Use of a comb polymer for reducing the loss in viscosity of a lubricating composition for the crankcase of an internal combustion engine, wherein the internal combustion engine is fuelled by a fuel composition comprising a fatty acid alkyl ester.Type: ApplicationFiled: March 6, 2014Publication date: January 14, 2016Inventors: Sarah Jane MATTHEWS, Mark Clift SOUTHBY, Zhou XU
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Publication number: 20150024979Abstract: Lubricant formulations are provided having a base oil blend, the base oil blend having a first Fischer-Tropsch derived base oil having a kinematic viscosity at 100° C. of between 2.5 and 3.5 cSt and a second Fischer-Tropsch derived base oil having a kinematic viscosity at 100° C. of between 3.5 and 4.5 cSt, wherein the resulting base oil blend has a Noack volatility of less than 15%. The first Fischer-Tropsch derived base oil can be present in an amount up to 12 wt. % and the second Fischer-Tropsch derived base oil can be present in an amount up to 88 wt. %.Type: ApplicationFiled: July 16, 2014Publication date: January 22, 2015Inventor: Mark Clift SOUTHBY
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Publication number: 20140315770Abstract: A lubricating composition for use in the crankcase of an engine comprising a base oil and one or more additives, wherein the lubricating composition comprises from 0.01 wt % to 5 wt %, by weight of the lubricating composition, of one or more liquid crystal compounds, wherein the one or more liquid crystal compounds is a terphenyl compound. The lubricating composition provides improvements in terms of reduced friction and wear, in addition to improved fuel economy performance.Type: ApplicationFiled: April 23, 2014Publication date: October 23, 2014Inventors: Brian Lee PAPKE, Arjun PRAKASH, Mark Clift SOUTHBY
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Patent number: 8633142Abstract: The present invention provides a poly(hydroxycarboxylic acid) amide salt derivative having formula (III): [Y—CO[O-A-CO]n—Z—R+]mpXq? (III) wherein Y is hydrogen or an optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, preferably from 1 to 10, m is from 1 to 4, q is from 1 to 4 and p is an integer such that pq=m, Z is an optionally substituted divalent bridging group which is attached to the carbonyl group through a nitrogen atom, R+ is an ammonium group and Xq? is a non-sulphur-containing anion. Furthermore, the present invention provides a lubricating composition and a fuel composition containing the poly(hydroxycarboxylic acid) amide salt derivative and the use of the poly(hydroxycarboxylic acid) amide salt derivative for decreasing the phosphorus volatility of a fluid.Type: GrantFiled: July 29, 2009Date of Patent: January 21, 2014Assignee: Shell Oil CompanyInventors: Jan Elsa Eugenia Carty, Dennis Borisovich Kruchinin, Mark Clift Southby, Susan Jane Smith, Nigel Peter Tait
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Publication number: 20110207640Abstract: The present invention provides a poly(hydroxycarboxylic acid) amide salt derivative having formula (III): [Y—CO[O-A-CO]n-Z-R+]m pXq? (III) wherein Y is hydrogen or an optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, preferably from 1 to 10, m is from 1 to 4, q is from 1 to 4 and p is an integer such that pq=m, Z is an optionally substituted divalent bridging group which is attached to the carbonyl group through a nitrogen atom, R+ is an ammonium group and Xq- is a non-sulphur-containing anion. Furthermore, the present invention provides a lubricating composition and a fuel composition containing the poly(hydroxycarboxylic acid) amide salt derivative and the use of the poly(hydroxycarboxylic acid) amide salt derivative for decreasing the phosphorus volatility of a fluid.Type: ApplicationFiled: July 29, 2009Publication date: August 25, 2011Inventors: Jan Elsa Eugenia Carty, Dennis Borisovich Kruchinin, Mark Clift Southby, Susan Jane Smith, Nigel Peter Tait
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Publication number: 20100024287Abstract: The present invention provides a liquid fuel composition comprising: a) a base fuel suitable for use in an internal combustion engine; and b) one or more poly(hydroxycarboxylic acid) derivative having a terminal acid group having formula (III): [Y—CO[O-A-CO]n-Zp]m-X??(III) wherein Y is hydrogen or optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, m is 1 or 2, Z is an optionally substituted divalent bridging group, p is 0 or 1, and X is terminal acid group or a group carrying a terminal acid group, wherein the terminal acid group is selected from carboxylic acid, carboxymethyl, sulphate, sulphonate, phosphate and phosphonate.Type: ApplicationFiled: July 29, 2009Publication date: February 4, 2010Inventors: Susan Jane SMITH, Mark Clift SOUTHBY, Nigel Peter TAIT
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Publication number: 20100024286Abstract: The present invention provides a liquid fuel composition comprising: a) a liquid base fuel suitable for use in an internal combustion engine; and b) one or more poly(hydroxycarboxylic acid) amide salt derivatives having formula (III): [Y—CO[O-A-CO]n-Zr-R+]mpXq???(III) wherein Y is hydrogen or an optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, m is from 1 to 4, q is from 1 to 4 and p is an integer such that pq=m, Z is an optionally substituted divalent bridging group which is attached to the carbonyl group through a nitrogen atom, r is 0 or 1, R+ is an ammonium group and Xq? is an anion.Type: ApplicationFiled: July 29, 2009Publication date: February 4, 2010Inventors: Susan Jane SMITH, Mark Clift SOUTHBY, Nigel Peter TAIT