Plural Hetero Atoms In The Hetero Ring (e.g., 1,3-dithiane, Etc.) Patents (Class 508/300)
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Publication number: 20150064741Abstract: A wear-indicating metalworking fluid is provided that includes a lubricant base; and a wear-indicating agent. A method of determining wear in a metalworking fluid includes providing wear-indicating metalworking fluid that contains a lubricant base and a wear indicating agent; and observing the visual appearance of the metalworking fluid. A change in visual appearance of the metalworking fluid when compared to an unused metalworking fluid indicates wear of the metalworking fluid.Type: ApplicationFiled: August 22, 2014Publication date: March 5, 2015Inventors: Emily J. Gibbons, Steven M. Badger, II, Leroy N. Hitchcock, Jacob F. Harkey
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Patent number: 8722593Abstract: The invention relates to compounds with the formula (II), where R is a C1- to C30-alkyl group, a C2- to C30-alkenyl group, a C6- to C18-aryl group, or a C7- to C30-alkylaryl group, AO is a C2-C4-alkoxy group, x is a number from 1 to 50, m is a number between 4 and 12, and to the use thereof in quantities of 0.0001 to 5% by weight relative to the oil content of the emulsion to be demulsified, for splitting water in oil emulsions.Type: GrantFiled: August 24, 2010Date of Patent: May 13, 2014Assignee: Clariant Finance (BVI) LimitedInventor: Stefan Dilsky
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Publication number: 20140038868Abstract: A sliding member includes: a substrate which has a sliding surface sliding under the presence of lubricating oil; and a film which is fixed to at least a part of the sliding surface. The film contains carbon (C), titanium (Ti), and boron (B), is obtained by repeatedly and alternately layering a first layer containing amorphous carbon as a principal component and a second layer containing C and Ti as principal components, and has hardness of 18 GPa or more.Type: ApplicationFiled: April 12, 2012Publication date: February 6, 2014Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Hiroyuki Mori, Munehisa Matsui, Keiji Hayashi, Yoshio Fuwa, Takatoshi Shinyoshi, Satoshi Jinno, Kenji Shimoda, Satoshi Hirota, Koichiro Akari, Hirotaka Ito
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Publication number: 20110306531Abstract: Novel sulfur-containing compositions comprise a polyether polysulfide or an ether polysulfide. The polyether polysulfide may be based upon an alkoxylate (an alcohol or glycol-initiated compound) that is a copolymer of at least two of ethylene oxide, propylene oxide and butylene oxide. The polyether polysulfide may alternatively be based upon a homopolymer of ethylene oxide, propylene oxide or butylene oxide. The ether polysulfide may be based upon a methoxy-capped polyglycol or an alkyl ether of 1,3-dichloro-2-propanol.Type: ApplicationFiled: June 3, 2011Publication date: December 15, 2011Inventors: Yang Cheng, Cynthia L. Rand, John B. Cuthbert
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Patent number: 8048832Abstract: Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain a class of anti-corrosion, anti-wear, anti-fatigue, and extreme pressure additives that are derived from 1,3-dithiolane-2-thiones.Type: GrantFiled: March 24, 2009Date of Patent: November 1, 2011Assignee: Chemtura CorporationInventor: Robert G. Rowland
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Publication number: 20100286003Abstract: The disclosed invention relates to polymers with heterocyclic-containing groups, and to concentrates and lubricating oil compositions containing the polymers.Type: ApplicationFiled: August 18, 2008Publication date: November 11, 2010Applicant: The Lubrizol CorporationInventor: Saleem Al-Ahmad
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Publication number: 20100256029Abstract: The present invention relates to lubricating oil compositions comprising sulfurised esters that exhibit good antioxidancy performance whilst maintaining nitrile elastomer seal compatibilityType: ApplicationFiled: April 1, 2009Publication date: October 7, 2010Inventors: Benjamin R. Elvidge, Nancy Z. Diggs, Neal J. Milne, Nigel A. Male
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Publication number: 20090181870Abstract: Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain a class of anti-corrosion, anti-wear, anti-fatigue, and extreme pressure additives that are derived from 1,3-dithiolane-2-thiones.Type: ApplicationFiled: March 24, 2009Publication date: July 16, 2009Applicant: Chemtura CorporationInventor: Robert G. ROWLAND
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Patent number: 7541319Abstract: Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain a class of anti-corrosion, anti-wear, anti-fatigue, and extreme pressure additives that are derived from 1,3-dithiolane-2-thiones.Type: GrantFiled: June 27, 2005Date of Patent: June 2, 2009Assignee: Chemtura CorporationInventor: Robert G. Rowland
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Patent number: 7414013Abstract: Sulfurized olefin compositions and compounds of the formula: wherein R1 is hydrogen or methyl; X is sulfur or oxygen; m is an integer from 1 to 9; and n is 0 or 1, and when n is 0 then R1 is methyl, and when n is 1 then R1 is hydrogen are disclosed. The resulting compounds are particularly the polyisobutyl-1,2-dithiole-4-cyclopentene-3-thione compounds and derivatives are useful in lubricating oils.Type: GrantFiled: November 23, 2004Date of Patent: August 19, 2008Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Frank Plavac
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Patent number: 6444623Abstract: The present invention relates to methods for production of sulfurized diphenyloxides wherein a diphenyloxide is reacted with elemental sulfur in the presence of solid acid catalyst. The solid acid catalyst can be a zeolite or a catalytic amount of a Friedel-Crafts compound. The present invention further relates to a composition containing between about 40 and about 80 weight percent diphenyloxide; no more than about 15 weight percent diphenyloxide thiol; between about 5 and about 45 weight percent phenoxathiin; and between about 3 and about 50 weight percent total of bis(diphenyloxide) sulfide, diphenyloxide phenoxathiin sulfide, and bis(phenoxathiin) sulfide.Type: GrantFiled: December 29, 1999Date of Patent: September 3, 2002Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret M. Wu, Philip Trotto, Rene B. LaPierre
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Patent number: 5834407Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of(A) a compound represented by the formula ##STR1## wherein in Formula (A-I): X.sup.1, X.sup.2 and X.sup.3 are independently O or S, and X.sup.2 and X.sup.3 can be NR.sup.1 wherein R.sup.1 is hydrogen or hydrocarbyl; and G.sup.1, G.sup.2, G.sup.3 and G.sup.4 are independently R.sup.2, OR.sup.2 or R.sup.3 OR.sup.2, wherein R.sup.2 is hydrogen or hydrocarbyl and R.sup.3 is hydrocarbylene or hydrocarbylidene. In one embodiment, the inventive composition further comprises (B) an acylated nitrogen-containing compound having a substituent of at least about 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a phosphorus compound. In one embodiment, the inventive composition further comprises (D) a thiocarbamate. In one embodiment, the inventive composition further comprises (E) a organic sulfide.Type: GrantFiled: August 21, 1996Date of Patent: November 10, 1998Assignee: The Lubrizol CorporationInventors: John S. Manka, James A. Supp, Mohamed G. Fahmy
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Patent number: 5824626Abstract: Trithiane and phosphorus and/or thiophosphorus acid derivatives are described which are useful as extreme pressure compositions. The process comprises a reaction product obtained by reacting(A) an aldehyde of the structure ##STR1## wherein R is a hydrocarbyl group containing from 1 to about 18 carbon atoms with(B) a phosphorus acid of the structure ##STR2## wherein R.sup.2 and R.sup.3 are each independently a hydrocarbyl group containing from 1 to about 30 carbon atoms, X.sup.1 and X.sup.2 are each independently oxygen or sulfur and n is independently zero or one in the presence of a lubricating base oil.A neutralizing agent, component (C), may be reacted with the phosphorus acid and/or thiophosphorus acid intermediate formed by the reaction of components (A) and (B).Type: GrantFiled: July 9, 1992Date of Patent: October 20, 1998Assignee: The Lubrizol CorporationInventor: Roger L. Sowerby