Nitrogen Or Halogen Bonded Directly To The Phosphorus Patents (Class 508/427)
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Patent number: 10538476Abstract: A process for carrying out a reaction in a reaction column, said process comprising: providing a first reactant to the reaction column in the liquid phase; contacting said first reactant with an excess of a second reactant such that reaction takes place within the reaction column to form a low boiling product and a high boiling product, at least a portion of said second reactant being provided to the reaction column in the vapour phase; recovering an overhead stream from at, or near, the top of the reaction column, said overhead stream comprising unreacted second reactant and the low boiling product; and recovering a bottoms stream from at, or near, the bottom of the reaction column comprising the high boiling product; wherein at least a portion of the heat required to vaporise the second reactant provided to the reaction column in the vapour phase is provided by heat exchange in a heat exchanger with a hot stream generated within the process other than a hot stream generated within the reaction column.Type: GrantFiled: March 17, 2016Date of Patent: January 21, 2020Assignees: Johnson Matthey Davy Technologies Limited, Johnson Matthey PLCInventors: Andrew George Hiles, Rikard Umberto Andersson, Michael Gavin John Williams
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Patent number: 9117475Abstract: [Problem] Provided is a novel lubricant composition that is useful as a material of a lubricating layer of a magnetic recording medium. [Means for Resolution] The lubricant composition contains at least one kind of compound represented by the following Formula (1). In the formula, X represents a cyclic group that may be substituted, and Y represents a single bond or a linking group having a valency of 2 or more. Here, at least one of X and Y includes 1 or more polar groups such as a hydroxyl group; Z represents a linking group having a valency of 2 or more and constituted with a carbon atom (C), a fluorine atom (F), and 1 or 2 kinds of arbitrary atoms (here, a hydrogen atom is excluded); n represents a real number of 1 to 10; m represents a real number of 0 to 1; and s and t independently represent a real number of 1 or greater.Type: GrantFiled: March 24, 2010Date of Patent: August 25, 2015Assignee: FUJIFILM CorporationInventors: Hiyoku Nakata, Akiko Hattori, Atsushi Tatsugawa, Ken Kawata
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Patent number: 9012381Abstract: The invention provides a lubricant composition containing (A) an ionic liquid having an anion represented by formula 1: (Rf1-SO2) (Rf2-SO2) N? or formula 2: (Rf3) (Rf3) (Rf3) PF3? wherein Rf1 and Rf2 in formula 1 may be the same or different and are each F, CF3, C2F5, C3F7 or C4F9, and Rf3 in formula 2 may be the same or different and is CF3, C2F5, C3F7 or C4F9; and (B) a fatty acid amine salt in an amount of 0.1 to 5.0 mass %. The lubricant composition of the invention can favorably be used under a high vacuum or an ultra high vacuum, or under high temperatures, and exhibits excellent rust prevention properties.Type: GrantFiled: August 8, 2011Date of Patent: April 21, 2015Assignee: Kyodo Yushi Co., Ltd.Inventors: Makoto Hayama, Setsuo Sasaki
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Patent number: 8791056Abstract: Alkylphosphorofluoridothioates containing alkyl groups of greater than four carbons which exhibit significantly lower wear volume compared to ZDDP, methods of making same with high yields, and methods of using same as lubricant additives.Type: GrantFiled: June 24, 2011Date of Patent: July 29, 2014Assignee: Board of Regents, The University of Texas SystemInventors: Xin Chen, Pranesh B. Aswath, Ronald L. Elsenbaumer
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Publication number: 20130331305Abstract: Anti-wear and/or friction reducing formulations that include a mixture of at least one first ionic liquid and at least one ashless antiwear compound. The ashless antiwear compound can be a second ionic liquid or an ashless thiophosphate compound. The formulation desirably provides synergistic anti-wear and/or friction reducing properties. The first IL can be a monocationie ionic liquid or a dicationic ionic liquid. The second IL is a dicationic ionic liquid. The ashless thiophosphate is desirably a thiophosphate, such as a fluorothiophosphate (FTP), an alkylphosphorofluoridothiolate, or an alkylthioperoxydithiophosphate. Antiwear and/or friction reduction formulations comprising the above mixtures diluted up to 25% by weight in a base oil.Type: ApplicationFiled: May 7, 2013Publication date: December 12, 2013Applicant: Board of Regents, The University of Texas SystemInventors: Pranesh Aswath, Xin Chen, Vibhu Sharma, Maria Amaya Igartua, Francesco Pagano, Wolfgang Binder, Parvin Zare, Nicole Doerr
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LUBRICANT COMPOSITION USING IONIC LIQUID AS BASE OIL AND HAVING EXCELLENT RUST PREVENTION PROPERTIES
Publication number: 20130137615Abstract: The invention provides a lubricant composition containing (A) an ionic liquid having an anion represented by formula 1: (Rf1-SO2) (Rf2-SO2) N? or formula 2: (Rf3) (Rf3) (Rf3) PF3? wherein Rf1 and Rf2 in formula 1 may be the same or different and are each F, CF3, C2F5, C3F7 or C4F9, and Rf3 in formula 2 may be the same or different and is CF3, C2F5, C3F7 or C4F9; and (B) a fatty acid amine salt in an amount of 0.1 to 5.0 mass %, The lubricant composition of the invention can favorably be used under a high vacuum or an ultra high vacuum, or under high temperatures, and exhibits excellent rust prevention properties.Type: ApplicationFiled: August 8, 2011Publication date: May 30, 2013Applicant: KYODO YUSHI CO., LTD.Inventors: Makoto Hayama, Setsuo Sasaki -
Publication number: 20110319303Abstract: Alkylphosphorofluoridothioates containing alkyl groups of greater than four carbons which exhibit significantly lower wear volume compared to ZDDP, methods of making same with high yields, and methods of using same as lubricant additives.Type: ApplicationFiled: June 24, 2011Publication date: December 29, 2011Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Xin Chen, Pranesh B. Aswath, Ronald L. Elsenbaumer
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Publication number: 20110245117Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more oil-soluble titanium compounds.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Patent number: 7968505Abstract: A magnetic recording medium comprising a lubricant film comprising a photosynthesized lubricant having a single phase composition of at least a lubricant moiety and an additive moiety is disclosed.Type: GrantFiled: March 26, 2008Date of Patent: June 28, 2011Assignee: Seagate Technology LLCInventors: Jianwei Liu, Michael Joseph Stirniman
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Patent number: 7122508Abstract: Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a dispersed, hydrated, alkali metal borate and at least one phosphorous-containing compound wherein the total phosphorous employed in the composition is no more than about 0.08 weight percent based on the total weight of the composition.Type: GrantFiled: October 31, 2002Date of Patent: October 17, 2006Assignee: Chevron Oronite Company LLCInventor: Alexander B. Boffa
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Publication number: 20040023819Abstract: Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a complex of a molybdenum/nitrogen containing compound and at least one phosphorus-containing compound wherein the total phosphorus employed in the composition is no more than about 0.06 weight percent based on the total weight of the composition.Type: ApplicationFiled: August 1, 2002Publication date: February 5, 2004Inventor: Alexander B. Boffa
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Patent number: 6559108Abstract: A recording medium comprising a phosphorus-containing fluorocarbon compound is provided. The phosphorus-containing fluorocarbon compound can be used as lubricant or as an additive to a lubricant. The phosphorus-containing fluorocarbon compound can be an esterified aryl phosphorus compound, a salt thereof, or combinations thereof.Type: GrantFiled: November 15, 2000Date of Patent: May 6, 2003Assignees: E.I. du Pont de Nemours and Company, Burmah Castrol Trading, Ltd.Inventors: Jon Lee Howell, David Gareth Vaughan Jones, Anthony Joseph Huffmann, Norm V. Gitis, Charles Gao
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Patent number: 6541431Abstract: The present invention provides a lubricant for magnetic recording medium which comprises, as an effective component, a phosphazene compound of formula [N═P[O(C6H4)—(A)z—R]a[OCH2—(B)xH]b]y (1) wherein A is —C6H4— or —OC6H4—, B is fluorine-containing alkylene group, R is hydrogen atom, fluorine atom, C1-4 alkyl, C1-4 alkoxy or C1-4 haloalkyl, a and b are a real number of 0 to 2, satisfying a+b=2, x is 1, 2, 3 or 4, y is 3 or 4, and z is 0 or 1.Type: GrantFiled: January 22, 2001Date of Patent: April 1, 2003Assignee: Matsumura Oil Research Corp.Inventors: Tamio Akada, Yoshinobu Fujii, Nagayoshi Kobayashi, Rie Fujimoto
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Patent number: 6391832Abstract: A medical lubricant suitable for injection into the blood stream of a patient. The lubricant is suitable for use with rotating equipment such as atherectomy drive shafts moving within sheaths and over guide wires and other minimally invasive medical devices introduced into a patient through a catheter like instrument. The lubricant is an oil-in-water emulsion including a surfactant, a co-surfactant, and a pH buffer. The lubricant can further include a cryogenic agent and a pH adjusting agent. One lubricant includes olive oil as an emulsified oil, egg yolk phospholipid as a surfactant, sodium deoxycholate as a co-surfactant, glycerin as a cryogenic agent, L-histidine as a pH buffer, and is pH adjusted using sodium hydroxide. The lubricant also includes a therapeutic agent. The lubricant can withstand freeze/thaw cycles as well as saline dilution, heating, and shear stress without significant creaming, separation, or unacceptable increases in oil droplet size.Type: GrantFiled: June 21, 2001Date of Patent: May 21, 2002Assignee: SCIMED Life Systems, Inc.Inventors: Robert T. Lyons, David H. Dillard, Bruce Fieggen, Robert M. Rauker, Scott T. Bluni
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Publication number: 20010051595Abstract: A medical lubricant suitable for injection into the blood stream of a patient. The lubricant is suitable for use with rotating equipment such as atherectomy drive shafts moving within sheaths and over guide wires and other minimally invasive medical devices introduced into a patient through a catheter like instrument. The lubricant is an oil-in-water emulsion including a surfactant, a co-surfactant, and a pH buffer. The lubricant can further include a cryogenic agent and a pH adjusting agent. One lubricant includes olive oil as an emulsified oil, egg yolk phospholipid as a surfactant, sodium deoxycholate as a co-surfactant, glycerin as a cryogenic agent, L-histidine as a pH buffer, and is pH adjusted using sodium hydroxide. The lubricant can also include a therapeutic agent. The lubricant can withstand freeze/thaw cycles as well as saline dilution, heating, and shear stress without significant creaming, separation, or unacceptable increases in oil droplet size.Type: ApplicationFiled: June 21, 2001Publication date: December 13, 2001Applicant: SCIMED Life Systems, Inc.Inventors: Robert T. Lyons, David H. Dillard, Bruce Fieggen, Robert M. Rauker, Scott T. Bluni
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Patent number: 6281175Abstract: A medical lubricant suitable for injection into the blood stream of a patient. The lubricant is suitable for use with rotating equipment such as atherectomy drive shafts moving within sheaths and over guide wires and other minimally invasive medical devices introduced into a patient through a catheter like instrument. The lubricant is an oil-in-water emulsion including a surfactant, a co-surfactant, and a pH buffer. The lubricant can further include a cryogenic agent and a pH adjusting agent. One lubricant includes olive oil as an emulsified oil, egg yolk phospholipid as a surfactant, sodium deoxycholate as a co-surfactant, glycerin as a cryogenic agent, L-histidine as a pH buffer, and is pH adjusted using sodium hydroxide. The lubricant can also include a therapeutic agent. The lubricant can withstand freeze/thaw cycles as well as saline dilution, heating, and shear stress without significant creaming, separation, or unacceptable increases in oil droplet size.Type: GrantFiled: March 24, 2000Date of Patent: August 28, 2001Assignees: Scimed Life Systems, Inc., Fresenius Kabi ABInventors: Robert T. Lyons, David H. Dillard, Bruce Fieggen
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Patent number: 6190574Abstract: A lubricating oil composition including a phosphorus compound having two or more hydroxyl groups and a P—N bond in a molecule selected from the group consisting of compounds represented by the general formula (3), (4) or (5): wherein R1 to R5 and R7 to R9, which may be identical or different, each represents an aryl group having 6 to 18 carbon atoms; a linear alkyl group having 1 to 18 carbon atoms; a branched alkyl group having 3 to 18 carbon atoms; a linear alkenyl group having 2 to 18 carbon atoms; or a branched alkenyl group having 3 to 18 carbon atoms; and R6 represents hydrogen atom; a linear alkyl group having 1 to 18 carbon atoms; a branched alkyl group having 3 to 18 carbon atoms; a linear alkenyl group having 2 to 18 carbon atoms; or a branched alkenyl group having 3 to 18 carbon atoms; and a working fluid composition for refrigerating machine including the lubricating oil composition described above, and a hydrofluorocarbon.Type: GrantFiled: June 29, 1998Date of Patent: February 20, 2001Assignee: Kao CorporationInventors: Shoji Nakagawa, Yuichiro Kobayashi, Hiroyasu Togashi, Toshiya Hagihara, Koji Taira
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Patent number: 6184187Abstract: Novel phosphorus compounds are effective corrosion inhibitors for perfluoropolyether lubricating oils and greases, and hydraulic fluids.Type: GrantFiled: April 7, 1998Date of Patent: February 6, 2001Assignee: E. I. duPont de Nemours and CompanyInventors: Jon L. Howell, Michael A. Hofman
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Patent number: 6054421Abstract: A medical lubricant suitable for injection into the blood stream of a patient. The lubricant is suitable for use with rotating equipment such as atherectomy drive shafts moving within sheaths and over guide wires. The lubricant is an oil-in-water emulsion including a surfactant and a co-surfactant. The lubricant can include a cryogenic agent and a pH buffer and be pH adjusted. One lubricant includes olive oil as an emulsified oil, egg yolk phospholipid as a surfactant, sodium deoxycholate as a co-surfactant, glycerin as a cryogenic agent, L-histidine as a pH buffer, and is pH adjusted using sodium hydroxide. The lubricant can withstand freeze/thaw cycles as well as saline dilution, heating, and shear stress without significant creaming, separation, or unacceptable increases in oil droplet size. Compared to saline, the lubricant provides significantly increased lubrication efficiency for rapidly moving parts.Type: GrantFiled: September 23, 1997Date of Patent: April 25, 2000Assignees: Scimed Life Systems, Inc., Pharmacia & Upjohn AktiebolagInventors: Robert T. Lyons, David H. Dillard, Bruce Fieggen