Patents by Inventor Peter D. Watts
Peter D. Watts 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).
-
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: 20170002286Abstract: 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: ApplicationFiled: June 30, 2016Publication date: January 5, 2017Applicant: Infineum International LimitedInventors: Luciana G. Angonesi, Peter D. Watts, Robert C. Hough
-
Patent number: 9023775Abstract: A lubricating oil composition comprising a Group II basestock and a neutral or overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2.Type: GrantFiled: October 6, 2008Date of Patent: May 5, 2015Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20150034034Abstract: An automotive lubricating oil composition for an internal combustion engine comprises (A) an oil of lubricating viscosity in a major amount; and (B) oil-soluble additive components in respective minor amounts comprising (B1) a zinc dihydrocarbyl dithiophosphate additive; and (B2) an alkylenebis(dihydrocarbyldithiocarbamate) where at least one of the hydrocarbyl groups in an aryl group, the composition having not greater than 1600 ppm by mass of phosphorus, expressed as phosphorus atom.Type: ApplicationFiled: July 30, 2013Publication date: February 5, 2015Applicant: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Joseph P. Hartley, Peter D. Watts
-
Patent number: 8703676Abstract: Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition comprising a major amount of an oil of lubricating viscosity containing at least 50 mass % of a Group II basestock, and respective minor amounts of an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent other than such a detergent having a basicity index of less than two and a degree of carbonation of 80% or greater and 5 to 500 mass %, based on the mass of the detergent, of an oil-soluble alkyl-substituted phenol other than a hindered phenol. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.Type: GrantFiled: April 26, 2010Date of Patent: April 22, 2014Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Joseph P. Hartley, Peter D. Watts
-
Patent number: 8404627Abstract: A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which: (i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or, (ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.Type: GrantFiled: September 10, 2009Date of Patent: March 26, 2013Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Patent number: 8399392Abstract: A method of reducing asphaltene precipitation or ‘black paint’ in an engine is disclosed. The method includes the step of lubricating the engine with a lubricating oil composition comprising: an oil of lubricating viscosity in a major amount; and, a salicylate detergent system in a minor amount comprising one or more neutral or overbased alkaline earth metal C22 hydrocarbyl substituted salicylates.Type: GrantFiled: September 10, 2009Date of Patent: March 19, 2013Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Patent number: 8012918Abstract: An overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2 and a degree of carbonation of 80% or greater is disclosed. The overbased metal hydrocarbyl-substituted hydroxybenzoate detergent reduces asphaltene precipitation or ‘black paint’ in a marine diesel engine.Type: GrantFiled: April 10, 2008Date of Patent: September 6, 2011Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20100256030Abstract: A lubricating oil composition containing a combination of oil of lubricating viscosity, one or more block copolymers of hydrogenated poly(monovinyl aromatic hydrocarbon) and poly(conjugated diene) as a viscosity modifier, and one or more one or more optionally substituted bridged hydrocarbyl phenol condensates, or metal salts thereof, as a detergent.Type: ApplicationFiled: April 6, 2009Publication date: October 7, 2010Inventors: Rolfe J. Hartley, Peter D. Watts
-
Publication number: 20100087347Abstract: An overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2 and a degree of carbonation of 80% or greater is disclosed. The overbased metal hydrocarbyl-substituted hydroxybenzoate detergent reduces asphaltene precipitation or ‘black paint’ in a marine diesel engine.Type: ApplicationFiled: April 10, 2008Publication date: April 8, 2010Inventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20100062957Abstract: A method of reducing asphaltene precipitation or ‘black paint’ in an engine is disclosed. The method includes the step of lubricating the engine with a lubricating oil composition comprising: an oil of lubricating viscosity in a major amount; and, a salicylate detergent system in a minor amount comprising one or more neutral or overbased alkaline earth metal C22 hydrocarbyl substituted salicylates.Type: ApplicationFiled: September 10, 2009Publication date: March 11, 2010Inventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20100062958Abstract: A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which: (i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or, (ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.Type: ApplicationFiled: September 10, 2009Publication date: March 11, 2010Inventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20090093387Abstract: A lubricating oil composition comprising a Group II basestock and a neutral or overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2.Type: ApplicationFiled: October 6, 2008Publication date: April 9, 2009Inventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
-
Publication number: 20080070818Abstract: A lubricating oil composition including at least one sulphurized overbased metal phenate detergent prepared from a C9-C15 alkyl phenol, at least one sulphurizing agent, at least one metal and at least one overbasing agent. The detergent includes less than 6.0% by combined mass of unsulphurized C9-C15 alkyl phenol and its unsulphurized metal salt. The lubricating oil composition exhibits an improved rate of acid neutralization.Type: ApplicationFiled: September 6, 2007Publication date: March 20, 2008Inventors: Stephen Arrowsmith, Laura Kosidowski, Jeremy R. Spencer, Peter D. Watts
-
Patent number: 5037751Abstract: A process for the preparation of a pharmaceutically active compound in a stereospecific form of the formula ##STR1## or a pharmaceutically acceptable salt or ester thereof, like an alkali metal salt or an alkaline earth metal salt or a pivaloyl ester, wherein R.sub.1 represents an optionally substituted aryl group such as a phenyl or naphthyl group optionally included in a heterocyclic ring system, which is optionally substituted, or represents a heteroaromatic ring system containing in addition to carbon atoms one or more atoms selected from nitrogen, sulphur and oxygen, this ring system being optionally substituted, which comprises subjecting a compound of the formula ##STR2## wherein R.sub.Type: GrantFiled: September 11, 1989Date of Patent: August 6, 1991Assignee: Gist-Brocades N.V.Inventors: Mauro A. Bertola, Arthur F. Marx, Hein S. Koger, Wilhelmus J. Quax, Cornelis J. van der Laken, Gareth T. Phillips, Brian W. Robertson, Peter D. Watts
-
Patent number: 4956284Abstract: A process for the preparation of metoprolol in a stereospecific form or a non-toxic, pharmaceutically acceptable acid addition salt thereof and/or a stereospecific form of 4-(2-methoxyethyl)-phenyl glycidyl ether which comprises subjecting 4-(2-methoxyethyl)-phenyl allyl ether to the action of a microorganism having the ability for stereoselective epoxidation of 4-(2-methoxyethyl)-phenyl allyl ether into 4-(2-methoxyethyl)-phenyl glycidyl ether having at least 80% by weight the S configuration, at least partly separating 4-(2-methoxyethyl)-phenyl glycidyl ether and/or reacting 4-(2-methoxyethyl)-phenyl glycidyl ether with isopropylamine and at least partly separating metoprolol and/or converting metoprolol into its non-toxic, pharmaceutically acceptable acid addition salt.Type: GrantFiled: February 6, 1986Date of Patent: September 11, 1990Assignee: Gist-Brocades N.V.Inventors: Gareth T. Phillips, Brian W. Robertson, Mauro A. Bertola, Hein S. Koger, Arthur F. Marx, Peter D. Watts
-
Patent number: 4886750Abstract: A process for the preparation of a pharmaceutically active compound in a stereospecific form of the formula ##STR1## or a pharmaceutically acceptable salt or ester thereof, like an alkali metal salt or an alkaline earth metal salt or a pivaloyl ester, wherein R.sub.1 represents an optionally substituted aryl group such as a phenyl or naphthyl group optionally included in a heterocyclic ring system, which is optionally substituted, or represents a heteroaromatic ring system containing in addition to carbon atoms one or more atoms selected from nitrogen, sulphur and oxygen, this ring system being optionally substituted, which comprises subjecting a compound of the formula ##STR2## wherein R.sub.Type: GrantFiled: January 6, 1987Date of Patent: December 12, 1989Assignees: Gist-Brocades N.V., Shell Internationale Research Mattschappij B.V.Inventors: Mauro A. Bertola, Arthur F. Marx, Hein S. Koger, Wilhelmus J. Quax, Cornelis J. Van der Laken, Gareth T. Phillips, Brian W. Robertson, Peter D. Watts