And Chalcogen Double Bonded Directly To The Other Ring Carbon Of The Hetero Ring Which Is Adjacent To The Ring Oxygen (e.g., Maleic Anhydride Copolymers, Etc.) Patents (Class 508/306)
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Publication number: 20090156446Abstract: The present invention provides a lubricating composition containing (a) an oil of lubricating viscosity; (b) a corrosion inhibitor; and (c) an antiwear agent comprising at least one of (i) polyhydric alcohol with oxyalkylene groups, (ii) a fatty amine, or (iii) mixtures thereof, wherein the lubricating composition has a total sulphated ash content of less than 0.8 wt %. The invention further provides for the use of the lubricating composition in an internal combustion engine.Type: ApplicationFiled: October 21, 2005Publication date: June 18, 2009Inventors: Rodney J. McAtee, Michael B. Boyer
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Publication number: 20090156442Abstract: A lubricant composition that exhibits low high temperature high shear viscosity is disclosed. The lubricant composition is made up of a first polymer having a kinematic viscosity ratio less than or equal to 0.25 and a shear stability index (SSI) equal to or greater than 20 percent and base oil having a viscosity index equal to or greater than 120.Type: ApplicationFiled: December 17, 2007Publication date: June 18, 2009Inventors: Laurent Chambard, Jai G. Bansal
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Publication number: 20090149358Abstract: This invention relates to a process for preparing an additive comprising the steps of: (1) reacting a polymer derived from of an olefin containing 2 to 8 carbon atoms with an acylating agent to form an acylated polymer, and (2) reacting the acylated polymer of step (1) in a medium substantially free of to free of sulphur with: (a) ammonia or an amine to form a succinimide product; or (b) water to form a hydrolysed product, wherein the mole ratio of the acylating agent to polymer in step (1) is from 0.3:1 to 1.6:1. The invention further relates to compositions containing the additive and its use.Type: ApplicationFiled: December 8, 2005Publication date: June 11, 2009Inventors: Gabriel B. Rhoads, David J. Moreton, Kenneth P. Morrell
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Publication number: 20090131288Abstract: Reaction products of maleic and/or succinic acids or anhydrides and primary aliphatic amines are disclosed as effective in reducing the static friction in power transmission fluids.Type: ApplicationFiled: December 4, 2008Publication date: May 21, 2009Inventors: Raymond F. Watts, Keith R. Gorda
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Publication number: 20080318816Abstract: The hydrolytic stability of magnesium overbased products is significantly improved by the addition or inclusion of a mixture or reaction product of an alkylphenol resin with a mixture of an alkenyl succinic anhydride and the acid thereof, and an alkyl amine. These magnesium overbased products are useful additives to fuel oils to improve their corrosion-causing tendencies. In one non-limiting embodiment, the alkylphenol resin is nonylphenol resin and the succinic anhydride is a partially hydrolyzed succinic anhydride having from 14 to 26 carbon atoms, along with the acid thereof. The mixtures and reaction products also serve as asphaltene inhibitors in the fuel oils.Type: ApplicationFiled: June 17, 2008Publication date: December 25, 2008Applicant: BAKER HUGHES INCORPORATEDInventors: Corina L. Sandu, Lawrence N. Kremer, Christine Ann Blundell, Lee Michael Howard, Joseph L. Stark
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Publication number: 20080274073Abstract: The use of terpolymers, obtainable by free radical copolymerization of (a) at least one anhydride of a C3-C10-dicarboxylic acid, (b) at least one 1,1-di-(C1-C3-alkyl)-substituted C4-C8-olefin, (c) polyisobutene having an average molecular weight Mn in the range of from 200 to 10 000 g/mol and, if appropriate hydrolysis, for the preparation of aqueous emulsions or dispersions of hydrophobic substances with the use of not more than 2% by weight of further emulsifier, based on the total aqueous emulsion or dispersion.Type: ApplicationFiled: October 5, 2006Publication date: November 6, 2008Applicant: BASF SE Patents, Trademarks and LicensesInventors: Hubertus Peter Bell, Stephan Huffer, Matthias Kluglein
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Publication number: 20080269382Abstract: The invention describes a process for stabilizing an organic material against oxidative, thermal or light-induced degradation, which comprises incorporating therein or applying thereto at least a compound of the formula (I) wherein the general symbols are as defined in claim 1. The compounds of the formula I are especially useful as processing stabilizers for synthetic polymers.Type: ApplicationFiled: August 22, 2005Publication date: October 30, 2008Inventors: Michele Gerster, Dietmar Mader, Bruno Rotzinger
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Publication number: 20080171678Abstract: A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar ratio of aliphatic polyamine to aromatic polyamine in the mixture ranges from about 10:0.1 to about 0.1:10. The amination product contains at least about 0.1 molar equivalent of the polyamine mixture to 1 molar equivalent of the hydrocarbyl substituted succinic acylating agent.Type: ApplicationFiled: March 17, 2008Publication date: July 17, 2008Applicants: AFTON CHEMICAL CORPORATIONInventors: John T. Loper, Paul G. Griffin, David A. Hutchison, Robert T. Dittmeier
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Publication number: 20080108531Abstract: The present invention relates to the use of viscosity modifiers in a control release additive gel. Furthermore, the present invention relates to an additive gel containing a viscosity modifier that control releases additives into a lubricant.Type: ApplicationFiled: November 8, 2006Publication date: May 8, 2008Applicant: The Lubrizol CorporationInventors: James D. Burrington, Barbara P. Leffel
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Patent number: 7056871Abstract: An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptothiadiazole is from about 0.1 wt % to about 10 wt %; an amino phosphorus compound; and an alkyl or alkenyl succinic anhydride, used to reduce the corrosion of yellow metal components which are present in axles and transmissions.Type: GrantFiled: April 25, 2003Date of Patent: June 6, 2006Assignee: Chevron Oronite Company LLCInventor: Juan Alberto Buitrago
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Patent number: 6916766Abstract: A combination of an ashless dispersant comprising the reaction product of a succinic anhydride and a polyamine and an ashless rust inhibitor comprising a mixture of a succinic anhydride and a oxime substituted aromatic compound in a lubricant base stock along with a poly alkylene alcohol demulsifier provides a circulating oil composition having good demulsibility, deposit control and rust inhibition.Type: GrantFiled: January 28, 2003Date of Patent: July 12, 2005Assignee: ExxonMobil Research and Engineering CompanyInventors: Kevin Buzdygon, Angela Stefana Galiano-Roth
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Patent number: 6867171Abstract: This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefinic bonds of the polyisobutene comprises methylvinylidene isomer plus tri-substituted isomer, with an unsaturated acidic reagent and method of making same, resulting in alkenyl succinic acid derivative isomers; and a low molecular weight branched alkenyl succinimide and method of making same.Type: GrantFiled: November 27, 2002Date of Patent: March 15, 2005Assignee: Chevron Oronitz Company LLCInventors: James J. Harrison, Kenneth Nelson
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Patent number: 6825154Abstract: Lubricating oil formulations comprising base oil, sulfur-phosphorous anti-wear/extreme pressure agents and hindered phenol antioxidants which anti-wear/extreme-pressure agents and hindered phenolic antioxidants are prone to crystal formation wherein the base oil is characterized as having a saturates content of less than 99% are stabilized against crystal formation by the addition of a minor amount of a high molecular weight di- or polycarboxylic acid anhydride, or mixture thereof.Type: GrantFiled: July 22, 2002Date of Patent: November 30, 2004Assignee: ExxonMobil Research and Engineering CompanyInventor: David Gary Lawton Holt
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Publication number: 20040171501Abstract: This invention relates to a method of improving elastomer seal compatibility and dispersancy in an internal combustion engine by contacting the elastomer seal in the internal combustion engine with a lubricating oil composition comprising:Type: ApplicationFiled: February 27, 2003Publication date: September 2, 2004Inventor: Jeroen Van Leeuwen
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Patent number: 6780209Abstract: The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture of two or more thereof, to form a first intermediate product comprising: an ester, partial ester or mixture thereof when (B) is a polyol; an amide, imide, salt, amide/salt, partial amide or mixture of two or more thereof when (B) is a polyamine; or an ester, partial ester, amide, partial amide, amide/salt, imide, ester/salt, salt or a mixture of two or more thereof when (B) is a hydroxyamine, a mixture of a polyol and a polyamine, a mixture of a polyol and a hydroxyamine, a mixture of a polyamine and a hydroxyamine, or a mixture of a polyol, a polyamine and a hydroxyamine; the hydrocarbyl substituent of said acid or anhydride having an average of about 8 to about 200 carbon atoms; and (II) heating said first intermediate product at an effective temperature to form a second intermeType: GrantFiled: January 24, 2000Date of Patent: August 24, 2004Assignee: The Lubrizol CorporationInventors: Brian B. Filippini, Richard M. Lange, Bryan A. Grisso, Bryn Hird
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Patent number: 6737387Abstract: Disclosed are dispersed hydrated potassium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated potassium borate compositions of the invention exhibit low turbidity and the finished oil compositions exhibit improved wear performance under high temperature conditions.Type: GrantFiled: May 2, 2002Date of Patent: May 18, 2004Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson, Juan A. Buitrago
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Publication number: 20040002428Abstract: Disclosed is a method for reducing wear and metal fatigue during high temperature operation of a gear set, which method comprises operating the gear set with a dispersed hydrated sodium borate composition.Type: ApplicationFiled: June 28, 2002Publication date: January 1, 2004Inventors: James J. Harrison, Kenneth D. Nelson, Juan A. Buitrago
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Publication number: 20030211950Abstract: Disclosed are dispersed hydrated potassium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated potassium borate compositions of the invention exhibit low turbidity and the finished oil compositions exhibit improved wear performance under high temperature conditions.Type: ApplicationFiled: May 2, 2002Publication date: November 13, 2003Inventors: James J. Harrison, Kenneth D. Nelson, Juan A. Buitrago
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Patent number: 6632781Abstract: Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate, a polyalkylene succinic dispersant selected from a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof; and a metal salt of a polyisobutenyl sulfonate. Also disclosed are methods for improving the water tolerance of a lubricant composition and methods for preparing such lubricants comprising a dispersed hydrated alkali metal borate and a dispersant mixture.Type: GrantFiled: September 28, 2001Date of Patent: October 14, 2003Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Publication number: 20030191031Abstract: A combination of an ashless dispersant comprising the reaction product of a succinic anhydride and a polyamine and an ashless rust inhibitor comprising a mixture of a succinic anhydride and a oxime substituted aromatic compound in a lubricant base stock along with a poly alkylene alcohol demulsifier provides a circulating oil composition having good demulsibility, deposit control and rust inhibition.Type: ApplicationFiled: January 28, 2003Publication date: October 9, 2003Inventors: Kevin Buzdygon, Angela Stefana Galiano-Roth
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Publication number: 20030073587Abstract: Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate, a polyalkylene succinic dispersant selected from a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof, and a metal salt of a polyisobutenyl sulfonate. Also disclosed are methods for improving the water tolerance of a lubricant composition and methods for preparing such lubricants comprising a dispersed hydrated alkali metal borate and a dispersant mixture.Type: ApplicationFiled: September 28, 2001Publication date: April 17, 2003Inventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 6534450Abstract: Disclosed are dispersed hydrated sodium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated sodium borate compositions of this invention exhibit decreased turbidity and the finished oil compositions improved water tolerance when the hydroxyl to boron ratio is carefully controlled.Type: GrantFiled: September 28, 2001Date of Patent: March 18, 2003Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 6482779Abstract: A lubricating grease composition having a basic grease composition containing a synthetic oil as a base oil, and a lithium soap as a thickener. 0.5 to 10% by weight with respect to the basic grease composition total amount of at least one additive selected from the group consisting of an organic molybdenum compound, an organic fatty acid compound or an derivative thereof, and an organic phosphorus compound is added is provided. Accordingly, the present invention can provide a lubricating grease composition capable of providing excellent lubricating characteristics, fretting wear resistance property, and impact resistance property.Type: GrantFiled: March 21, 2001Date of Patent: November 19, 2002Assignees: NSK Ltd., Kyodo Yushi Co., Ltd.Inventors: Michiharu Naka, Atsushi Yokouchi, Koichi Hachiya, Toru Takamizawa, Jun Kuraishi, Yasunobu Fujita, Hiroshi Kimura, Akimi Kimura, Yuji Onuki
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Publication number: 20020147115Abstract: Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate and a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof. Also disclosed are methods for improving the water tolerance of a lubricant composition comprising an alkali metal borate. Such methods employ compositions comprising a dispersed hydrated alkali metal borate and a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof.Type: ApplicationFiled: September 28, 2001Publication date: October 10, 2002Inventor: James J. Harrison
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Patent number: 6440905Abstract: A surfactant is synthesized from an amine or an alcohol and a hydrocarbyl-substituted succinic acylating agent by feeding the amine or alcohol into a stream comprising the hydrocarbyl substituted succinic acylating agent, to form a combined stream; passing the combined stream through an in-line mixer so as to effect premixing and initial reaction of the components; and thereafter passing the combined stream into a reactor, where the combined stream is further processed to form the surfactant.Type: GrantFiled: April 24, 2001Date of Patent: August 27, 2002Assignee: The Lubrizol CorporationInventors: Donald E. Epps, Timothy C. Sepelak, Steven C. Oxley, Frederic J. Martin
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Publication number: 20020002119Abstract: A lubricating grease composition having a basic grease composition containing a synthetic oil as a base oil, and a lithium soap as a thickener. 0.5 to 10% by weight with respect to the basic grease composition total amount of at least one additive selected from the group consisting of an organic molybdenum compound, an organic fatty acid compound or an derivative thereof, and an organic phosphorus compound is added is provided. Accordingly, the present invention can provide a lubricating grease composition capable of providing excellent lubricating characteristics, fretting wear resistance property, and impact resistance property.Type: ApplicationFiled: March 21, 2001Publication date: January 3, 2002Inventors: Michiharu Naka, Atsushi Yokouchi, Koichi Hachiya, Toru Takamizawa, Jun Kuraishi, Yasunobu Fujita, Hiroshi Kimura, Akimi Kimura, Yuji Onuki
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Patent number: 6215033Abstract: The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of two different conjugated dienes. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. The polymers may be blended with lower molecular weight components. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.Type: GrantFiled: December 11, 1998Date of Patent: April 10, 2001Assignee: Mobil Oil CorporationInventors: Thomas S. Coolbaugh, John M. Klosek, Frederick C. Loveless, John E. Marlin, II, Demetreos N. Matthews
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Patent number: 6165235Abstract: Polyolefin substituted carboxylic acylating agents having reduced chlorine content of less than 2,000 ppm and a degree of succination of 1.1-2 have been made from polyisobutylene, chlorine and maleic anhydride. The acylating agents are further reacted with amines and/or alcohols to form dispersants having reduced chlorine content.Type: GrantFiled: August 26, 1997Date of Patent: December 26, 2000Assignee: The Lubrizol CorporationInventors: Christopher J. Kolp, Paul A. Lewis, Jeffry G. Dietz
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Patent number: 6074995Abstract: A friction modifier composition is disclosed that comprises an oil of lubricating viscosity and containing a friction-reducing amount of an additive comprising;(A) at least one natural oil comprising an animal oil or vegetable oil comprising a triglyceride or(A') a diglyceride and(B) at least one metal overbased composition.Type: GrantFiled: June 2, 1992Date of Patent: June 13, 2000Assignee: The Lubrizol CorporationInventor: Brent R. Dohner
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Patent number: 6008169Abstract: Disclosed is a refrigerator oil composition comprising at least one base oil selected from mineral oils and synthetic oils, and at least one hydroxy-fatty acid derivative selected from (A) hydroxy-fatty acids or their condensates, (B) metal salts or amine salts of hydroxy-fatty acids or their condensates, and (C) esters of hydroxy-fatty acids. The composition has an excellent lubricating property, while specifically improving the lubricity between aluminium materials and steel materials. This is effective for preventing such materials from being seized and worn, and is suitable as a lubricating oil in refrigerators using hydrogen-containing Flon refrigerants, such as R134a, that do not cause environmental pollution.Type: GrantFiled: April 2, 1997Date of Patent: December 28, 1999Assignee: Idemitsu Kosan Co., Ltd.Inventor: Masato Kaneko
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Patent number: 5972852Abstract: Synthetic lubricating oils for use in lubricating internal combustion engines, having good compatibility with elastomeric seals and good stability, but without making use of organic acid ester basestocks, comprise a synthetic basestock such as polyalphaolefin oligomers, an additive package comprising a hydrocarbyl substituted dicarboxylic acid or anhydride in which the hydrocarbyl group has a number average molecular weight (M.sub.n) of from 700 to 5000 and a viscosity modifier.Type: GrantFiled: March 26, 1997Date of Patent: October 26, 1999Assignee: Exxon Chemical Patents, Inc.Inventor: Robert Robson
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Patent number: 5885944Abstract: Polyalkylene substituted carboxylic acylating agents which contain chlorine are synthesized by chlorine induced condensation of polyalkylenes and .alpha.-.beta. unsaturated carboxylic groups are treated with sulfur to reduce chlorine content of the carboxylic acylating agent.Type: GrantFiled: May 21, 1996Date of Patent: March 23, 1999Assignee: The Lubrizol CorporationInventors: John K. Pudelski, Matthew R. Sivik, Kurt F. Wollenberg, Richard Yodice, Jerry L. Rutter, Jeffry G. Dietz
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Patent number: 5840662Abstract: The frictional durability of lubricating oils, including power transmitting fluids and in particular automatic transmission fluids, are improved by incorporating a combination of low potency friction modifiers, ashless and/or metal-containing antioxidants, and oil-soluble phosphorus-containing compounds.Type: GrantFiled: August 28, 1997Date of Patent: November 24, 1998Assignee: Exxon Chemical Patents Inc.Inventors: Roger Keith Nibert, Raymond Frederick Watts, Ricardo Alfredo Bloch
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Patent number: 5538651Abstract: A composition comprising (A) an ethylene-alpha olefin-bicyclic non-conjugated diene copolymer, wherein the alpha olefin contains from 3 to about 24 carbon atoms; (B) at least one organic sulfur containing compound selected from the group consisting of mercaptans and disulfides; and (C) a major amount of diluent; wherein the sulfur-containing compound (B) is present in amounts ranging from about 0.1% to about 15% by weight relative to the weight of the copolymer (A). This invention also relates to a method of shearing a composition comprising (A) an ethylene-alpha olefin-bicyclic non-conjugated diene copolymer and (C) a diluent, the improvement which comprises reducing or preventing the formation of gel-like particles on shearing by intimately mixing with said copolymer prior to shearing an amount of (B) an organic sulfur containing compound selected from the group consisting of mercaptans and disulfides in an amount sufficient to inhibit formation of said gel-like particles.Type: GrantFiled: June 19, 1995Date of Patent: July 23, 1996Assignee: The Lubrizol CorporationInventors: Bryan A. Grisso, Richard M. Lange
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Patent number: 4777300Abstract: An aromatic ketone having the formula XArCOPhPhOH is made by contacting an ester of formula XArCOOPhPh, whereAr is a divalent mono- or poly - aromatic group which may optionally be substituted;Ph is para-phenylene; andX is hydrogen or halogen or a nitro-, alkylsulphonyl-, arylsulphonyl-, alkylcarbonyl- or hydrocarbon groupwith a Friedel Crafts catalyst comprising one or more Lewis acids in an amount of at least 2.2 moles of such catalyst for each mole of the ester.Type: GrantFiled: January 30, 1987Date of Patent: October 11, 1988Assignee: Imperial Chemical Industries PLCInventors: Howard M. Colquhoun, James A. Daniels, David F. Lewis