And Three Divalent Chalcogens Single Bonded Directly To The Phosphorus (e.g., Trialkyl Phosphates, Etc.) Patents (Class 558/208)
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Patent number: 9029600Abstract: A method for preparing a high purity (e.g. greater than 70 wt. %) mono-hydrolyzed acyl halide compound as a precipitate from solution comprising the steps of preparing a solution comprising: i) at least 80 v/v % of a hydrocarbon solvent, ii) water at a molar concentration greater than its solubility limit within the solvent but less that its solubility limit in solution, iii) a tri-hydrocarbyl phosphate compound, and iv) a polyfunctional acyl halide compound at molar ratio to both water and the tri-hydrocarbyl phosphate compound of at least 1:1.Type: GrantFiled: September 14, 2012Date of Patent: May 12, 2015Assignee: Dow Global Technologies LLCInventors: XiaoHua S. Qiu, Steven D. Jons, Joseph D. Koob, Martin H. Peery, Steven Rosenberg, Abhishek Roy, Ian A. Tomlinson
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Publication number: 20140287640Abstract: Disclosure of functionalized ionic liquids. Use of disclosed ionic liquids as solvent for carbon dioxide. Use of disclosed ionic liquids as flame retardant. Use of disclosed ionic liquids for coating fabric to obtain flame retardant fabric.Type: ApplicationFiled: March 14, 2014Publication date: September 25, 2014Applicant: Materials Modification IncInventors: Humcha Krishnamurthy Hariprakasha, Krishnaswamy Kasthuri Rangan, Tirumalai Srinivas Sudarshan
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Patent number: 8614267Abstract: The invention relates to a method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof by means of allyl alcohols, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with compounds of formula (V) to yield a mono-hydroxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst B, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalyst A is formed by transition metals and/or transition metal compoundType: GrantFiled: October 6, 2009Date of Patent: December 24, 2013Assignee: Clariant Finance (BVI) LimitedInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20130175477Abstract: Corrosion inhibiting and management systems and for methods of making and using same are presented, where the corrosion systems comprise a reaction product or mixture of reaction products of medium to high carbon count phosphate ester or mixture of medium to a high carbon count phosphate esters and an amine or mixture of amines and where the reaction product or products form a partial or complete coating on surfaces of pipe, piping, pipeline, flowline, and other downhole equipment in contact with aqueous and non-aqueous fluids to protect the surfaces from corrosion at temperature up to up to 750° F. (398.9° C.), and especially, for use in applications using low to moderate temperature geothermal fluids.Type: ApplicationFiled: January 11, 2012Publication date: July 11, 2013Applicant: Clearwater International, LLCInventors: Olusegun Matthew Falana, Khalid Ali Shah, Thomas P. Wilson, JR., Frank Zamora
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Publication number: 20120316139Abstract: Compounds of the general formula are disclosed with activity towards treating diseases related to inflammation, such as cancer, neurodegenerative and cardiovascular diseases. Pharmaceutical compositions and methods of use are also disclosed.Type: ApplicationFiled: July 27, 2012Publication date: December 13, 2012Inventor: Basil RIGAS
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Patent number: 8207367Abstract: The present invention relates to a method of producing a polymerizable phosphate containing at least one selected from polymerizable phosphates represented by formula (II), (III) or (IV) by a batch reaction, including a step of adding a compound represented by formula (I) into a mixture of a polymerizable phosphate reaction product containing at least one selected from polymerizable phosphates represented by formula (II), (III) or (IV), obtained by a pre-batch reaction, and phosphoric acid anhydride to react them: wherein R1 represents H or a C1-4 alkyl group, R2 represents a C2-6 alkylene group and n denotes an integer from 1 to 3.Type: GrantFiled: December 26, 2006Date of Patent: June 26, 2012Assignee: Kao CorporationInventors: Minoru Kurata, Keishi Shimokawa
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Publication number: 20120135604Abstract: There are provided a processing liquid that is capable of suppressing pattern collapse of a fine metal structure, such as a semiconductor device and a micromachine, and a method for producing a fine metal structure using the same. The processing liquid for suppressing pattern collapse of a fine metal structure, contains a phosphate ester and/or a polyoxyalkylene ether phosphate ester, and the method for producing a fine metal structure, uses the same.Type: ApplicationFiled: July 21, 2010Publication date: May 31, 2012Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Masaru Ohto, Hiroshi Matsunaga, Kenji Yamada
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Publication number: 20120010424Abstract: Disclosed are compounds according to formula (I) as well as pharmaceutical compositions which include those compounds. Also disclosed are methods of using such compounds, which have activity as agonists or as antagonists of LPA receptors; such methods including treating cancer, producing radioprotection and/or radiomitigation, enhancing cell proliferation, treating a wound, treating apoptosis or preserving or restoring function in a cell, tissue, or organ, culturing cells, preserving organ or tissue function, and treating a dermato logical condition.Type: ApplicationFiled: March 3, 2009Publication date: January 12, 2012Inventor: Veeresh Gududuru
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Publication number: 20110201733Abstract: The invention relates to a method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof by means of allyl alcohols, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with compounds of formula (V) to yield a mono-hydroxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst B, wherein R1, R2, R3,R4, R5, R6, R7, R8, R9, are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalyst A is formed by transition metals and/or transition metal compoundsType: ApplicationFiled: October 6, 2009Publication date: August 18, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20110021402Abstract: A solid detergent composition having the salt of an anionic surfactant and of a monopropanolamine counterion.Type: ApplicationFiled: October 1, 2010Publication date: January 27, 2011Applicant: The Procter & Gamble CompanyInventors: Ming Tang, Hiroshi Oh, Sen Liu, Victor Manuel Arredondo
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Publication number: 20100168403Abstract: A refolding agent and refolding method which makes it possible to produce high-purity proteins in high productivity. The refolding agent includes a phosphorus-containing compound (A) and an oxycarbonyl group-containing compound (B). The refolding method includes the step of treating the unfolded protein with the refolding agent. As the compound (A), there may be at least one selected from inorganic phosphoric acids, alkyl phosphate esters, sugar phosphate esters, and salts of these, and as the compound (B), there may be at least one selected from formic acid, acetic acid, propionic acid, lactic acid, tartaric acid, and salts of these.Type: ApplicationFiled: March 2, 2010Publication date: July 1, 2010Inventors: Shunichlro Yamaguchi, Shuii Mjura
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Publication number: 20100069658Abstract: By using phosphorus compounds, diesters of dicarbonic acid may be stabilized against thermal and chemical decomposition over a relatively long period. Mixtures of diesters of dicarbonic acid and phosphorus compounds are outstandingly suitable for preserving foods.Type: ApplicationFiled: April 11, 2007Publication date: March 18, 2010Applicant: LANXESS DEUTSCHLAND GMBHInventors: Steffen Kahlert, Johannes Kaulen, Erasmus Vogl
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Publication number: 20090203556Abstract: Phosphate esters useful for gelling hydrocarbons in combination with a metal source are disclosed along with methods of preparation of the phosphate esters. Fouling in oil refinery towers has been attributed due to distillation of impurities present in phosphate esters used to gel hydrocarbons for oil well fracturing. The improved method of preparation of the phosphate ester results in a product that substantially reduces or eliminates volatile phosphorus, which is phosphorus impurities that distill up to 250° C., and increases the high temperature viscosity of the hydrocarbon gels formed using the phosphate esters.Type: ApplicationFiled: February 9, 2009Publication date: August 13, 2009Applicant: BRINE-ADD FLUIDS LTD.Inventors: IOAN GHESNER, DAVID P. HORTON
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Publication number: 20090118442Abstract: An object of the present invention is to provide a deep-ultraviolet-transmitting epoxy resin cured product having high heat resistance and high resistance to deep-ultraviolet light, and to provide a curing accelerator and an epoxy resin composition which are used for producing the epoxy resin cured product. The curing accelerator for deep-ultraviolet-transmitting epoxy resins comprises a tetraalkylphosphonium dialkyl phosphate represented by the following general formula (1): wherein R1, R2, R3, R4, R5, and R6 each represent an alkyl group or an alkyl group having a hydroxyl group, which has 1 to 8 carbon atoms and is linear, branched, or alicyclic; and R1, R2, R3, R4, R5, and R6 may be the same or different. Also disclosed are an epoxy resin composition comprising the curing accelerator and an epoxy resin cured product obtained by curing the resin composition.Type: ApplicationFiled: April 13, 2007Publication date: May 7, 2009Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Katsuhiko Tsunashima, Masashi Sugiya
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Publication number: 20090111971Abstract: A refolding agent and refolding method which make it possible to produce high-purity proteins in high productivity. The refolding agent includes a phosphorus-containing compound (A) and an oxycarbonyl group-containing compound (B). The refolding method includes the step of treating the unfolded protein with the refolding agent. As the compound (A), there may be mentioned at least one species selected from inorganic phosphoric acids, alkyl phosphate esters, sugar phosphate esters, and salts of these, and as the compound (B), there may be mentioned at least one species selected from formic acid, acetic acid, propionic acid, lactic acid, tartaric acid, and salts of these.Type: ApplicationFiled: August 11, 2006Publication date: April 30, 2009Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Shunichiro Yamaguchi, Shuji Miura
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Publication number: 20080300161Abstract: Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as surfactants in emulsion polymerization reactions.Type: ApplicationFiled: July 30, 2008Publication date: December 4, 2008Inventor: Alfred K. Schultz
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Patent number: 7459578Abstract: A process for the preparation of alk(en)ylphosphonc ester salts of the formula (I) and/or of the formula (II) is described, in which R1 and R2 are identical or different and, independently of one another, are a linear or branched alkyl radical having 1 to 30 carbon atoms or are a linear or branched alkenyl radical having 2 to 30 carbon atoms and Xn+ is a cation with the valence n, which comprises reacting alk(en)ylphosphoric esters of the formula (Ill) and/or of the formula (IV) in which R1 and R2 have the meaning given above, in an aprotic solvent or aprotic solvent mixture with a base from which the cation Xn+ comes.Type: GrantFiled: September 23, 2005Date of Patent: December 2, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Wolfgang Stehr, Matthias Loeffler, Roman Morschhaeuser
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Patent number: 7439289Abstract: Benzoylresorcinol-based phosphate esters are obtained by reacting a benzoylresorcinol compound with a chlorophosphate. The benzoylresorcinol-based phosphate esters can function as flame retardants and/or UV stabilizers for polycarbonates (PC), poly(phenylene oxide) (PPO), polyesters (e.g., PET and PBT), polycarbonate and acrylonitrile-butadiene-styrene terpolymer (PC/ABS) blends, poly(phenylene oxide) and high-impact polystyrene (PPO/HIPS) blends and other polymers. The benzoylresorcinol-based phosphate ester flame retardants may possess enhanced thermal stability compared to resorcinol based phosphate ester (RDP). Synthetic procedures and applications of the benzoylresorcinol-based phosphate esters compounds are provided.Type: GrantFiled: September 21, 2005Date of Patent: October 21, 2008Assignee: Indspec Chemical CorporationInventors: Raj B. Durairaj, Gary A. Jesionowski
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Publication number: 20080194843Abstract: Crosslinkers having a covalently bonded phosphorous atom, the phosphorous atom having at least one covalently bonded oxygen atom. Crosslinkers can be used with resins such as epoxy, acrylic, polyurethane, polycarbonate, polysiloxane, polyvinyl, polyether, aminoplast, and polyester resins. A process to produce a crosslinker includes incorporating a pendent group comprising a covalently bonded phosphorous atom.Type: ApplicationFiled: February 8, 2007Publication date: August 14, 2008Applicant: BASF CORPORATIONInventors: Sergio GONZALEZ, Timothy S. December
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Patent number: 6828352Abstract: The present invention relates to synthetic, novel, preferably fatty phosphoric acid esters which, when neutralized with a neutralizing agent, is revealed as a new surface active agent. Formulations are presented which demonstrate a method for using the disclosed surface active agent to prepare stable oil-in-water, water-in-oil emulsions and various solutions of varying polarity and viscosity for use in a variety of dermatological applications, and/or wherever emulsions or solutions according to the present invention may be used.Type: GrantFiled: January 28, 2003Date of Patent: December 7, 2004Assignee: Walter Merton Company, Inc.Inventor: Arnold W. Fogel
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Patent number: 6803478Abstract: The invention relates to a process for the preparation of alk(en)ylphosphoric ester salts which comprises reacting the alk(en)ylphosphoric esters in the form of their melts with a base. Advantageously, the alk(en)ylphosphoric esters do not need to be dissolved in a solvent prior to neutralization.Type: GrantFiled: December 18, 2002Date of Patent: October 12, 2004Assignee: Clariant GmbHInventors: Torsten Henning, Roman Morschhäuser, Matthias Löffler
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Publication number: 20040162329Abstract: A method for inhibiting and/or ameliorating the occurrence of diseases associated with reactive oxygen species, reactive nitrogen species, radicals and/or non-radicals in a subject whereby a subject is administered a carotenoid structural analog, either alone or in combination with another carotenoid analog, or co-antioxidant formulation. The analog or analog combination is administered such that the subject's risk of experiencing diseases associated with reactive oxygen species, reactive nitrogen species, radicals and/or non-radicals may be thereby reduced. The analog or analog combination may be administered to a subject for the inhibition and/or amelioration of ischemia-reperfusion injury. The analog or analog combination may be administered to a subject for the inhibition and/or amelioration of liver disease. The analog or analog combination may be administered to a subject for the inhibition and/or amelioration of cancer.Type: ApplicationFiled: July 29, 2003Publication date: August 19, 2004Inventors: Samuel Fournier Lockwood, Sean O'Malley, David G. Watumull, Laura M. Hix, Henry Jackson, Geoff Nadolski
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Patent number: 6667284Abstract: A magnetic recording medium and method for forming the magnetic recording medium are described. The magnetic recording medium includes a magnetic layer formed on a non-magnetic support, and a lubricant layer over the magnetic layer. The lubricant layer includes a compound selected from the group consisting of hydrocarbyl-substituted cyclopentanes, hydrocarbyl-substituted cyclopentenes, hydrocarbyl-substituted cyclopentadienes, and mixtures or derivatives thereof. The lubricant layer also may be used on a magnetic head for reading and writing information on a magnetic recording medium. The magnetic recording medium and the magnetic head may be used to manufacture computer disk drives, compact disk drives, audio equipment, and video equipment.Type: GrantFiled: March 22, 2001Date of Patent: December 23, 2003Assignee: Pennzoil-Quaker State CompanyInventors: Selda Gunsel, Clifford Venier, I-Ching Chiu
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Patent number: 6660696Abstract: Phosphorothionate derivatives derived from cashew nut shell liquid (CNSL) for use as an thermally stable antioxidant, antiwear, friction reducing and extreme pressure additive in a lubricant composition are synthesized by the steps of (a) partially hydrogenating distilled technical cashew nut shell liquid with palladium or nickel or platinum catalyst; to hydrogenate the olefinic chain; (b) reacting partially hydrogenated technical cashew nut shell liquid with phosphorus trihalide and sulphur, the reaction being carried out at a temperature ranging from 20 to 220° C. A lubricant containing a major proportion of a material selected from the group consisting of an oil of lubricating viscosity or a grease; and remainder an additive including CNSL phosphorothionate derivative, prepared by the foregoing process.Type: GrantFiled: June 20, 2002Date of Patent: December 9, 2003Assignee: Indian Oil Corporation LimitedInventors: Rajeev Ranjan, Ajay Kumar Arora, Rakesh Sarin, Deepak Kumar Tuli, Ram Prakash Verma, Akhilesh Kumar Bhatnagar
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Publication number: 20030022869Abstract: The invention provides compounds of formula I: 1Type: ApplicationFiled: April 3, 2002Publication date: January 30, 2003Inventors: David Wiemer, Raymond J. Hohl
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Patent number: 6495533Abstract: The present invention relates to phosphoric acid derivatives represented by general formula (I), wherein each symbol is as defined in the description and nontoxic salts thereof. Because of having a TNF&agr; production inhibitory effect, the compounds represented by general formula (I) are useful as preventives and/or remedies for rheumatoid arthritis, ulcerative colitis, Crohn's disease, hepatitis, sepsis, hemorrhagic shock, multiple sclerosis, cerebral infarction, diabetes, interstitial pneumonia, uveitis, pain, glomerulonephritis, HIV-associated diseases, cachexia, myocardial infarction, chronic heart failure, oral aphtha, Hansen's disease, infection, etc.Type: GrantFiled: August 22, 2001Date of Patent: December 17, 2002Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Toshiaki Matsui, Nagashige Omawari
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Publication number: 20020151742Abstract: The invention relates to a process for producing all trans-vitamin A ester (I). According to the present invention, vitamin A ester (I) can simply be synthesized in good yields and high purity by the reaction of phosphonate compound (IV) with aldehyde (II) in an organic solvent in the presence of a base.Type: ApplicationFiled: January 3, 2002Publication date: October 17, 2002Inventors: Runpu Shen, Shiqing Pi, Bin Xie, Hongjun Huang
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Patent number: 6448422Abstract: This application relates to a novel compound of formula I, as defined herein, processes and intermediates for its preparation and the use of the compound of formula I as a substrate for a pharmaceutical screen.Type: GrantFiled: July 3, 2000Date of Patent: September 10, 2002Assignee: Eli Lilly and CompanyInventors: Patrick Irving Eacho, Patricia Sue Foxworthy-Mason, Richard Waltz Harper, Ho-Shen Lin, Jose Eduardo Lopez, Michael Enrico Richett
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Publication number: 20020015682Abstract: An adhesive composition is provided which is suitable for the bonding of polymeric materials, in whole or in part, such as composite resins, or methacrylate-containing glass-ionomer filling materials, to tooth enamel, or tooth dentin, or to other hand tissues of the human body, such as bone. The composition comprises an unsaturated carboxylic acid ester, an unsaturated phosphate ester and other crosslinking agents. The especially preferred phosphates (which are provided as new compounds) are those of formula (I) in which: R1 is a hydrogen atom, alkyl C1-C4, or CN; R is an aliphatic, cycloaliphatic or aryl radical containing from 1 to 10 carbon atoms and having a valence of n+1; n is an integer from 1 to 5, preferably from 3 to 5.Type: ApplicationFiled: February 20, 2001Publication date: February 7, 2002Inventors: Ivan Stangel, Jingwei Xu, Thomas Ellis, Edward Sacher
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Patent number: 6307085Abstract: A process for generation of acid uses a medium comprising a first acid-generating component capable of generating a first acid, and a secondary acid generator, this secondary acid generator being capable of thermal decomposition to form a secondary acid, the thermal decomposition of the secondary acid generator being catalyzed by the first acid. At least part of the medium is exposed to so as to cause formation of the first acid from the first acid-generating component; and the medium is then heated to cause, in the exposed part of the medium, acid-catalyzed thermal decomposition of the secondary acid generator and formation of the secondary acid.Type: GrantFiled: July 28, 2000Date of Patent: October 23, 2001Assignee: Polaroid CorporationInventors: Jurgen M. Grasshoff, John L. Marshall, Richard A. Minns, Socorro M. Ramos, Stephen G. Stroud, Stephen J. Telfer, Haixin Yang, Roger A. Boggs, Eric S. Kolb
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Patent number: 6299887Abstract: The present invention discloses phosphoric triesters represented by formula (1): wherein R1 represents C12-C24 alkyl or alkenyl, R2 represents C6-C24 alkyl, alkenyl, or aryl, and R3 represents C1-C6 alkyl, C2-C6 alkenyl, or aryl; external compositions containing the phosphoric triesters; and methods for preparing asymmetric phosphoric triesters. The compositions of the present invention have excellent compatibility with the skin, good sensation during use, and a high degree of safety.Type: GrantFiled: February 26, 1996Date of Patent: October 9, 2001Assignee: Kao CorporationInventors: Shinji Yano, Takashi Komori, Shinji Ishikawa, Katsumi Kita, Takashi Mizooku
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Patent number: 6066753Abstract: The invention relates to mixtures of long-chain alkyl phosphates of the formula ##STR1## in which R is a mixture of C.sub.12 -C.sub.22, preferably C.sub.14 -C.sub.20, straight-chain alkyl radicals and C.sub.12 -C.sub.22, preferably C.sub.14 -C.sub.20, .beta.-branched alkyl radicals, and X and Y are identical or different and are hydrogen, alkali metal or an equivalent of an alkaline earth metal, ammonium, mono-, di- or tri-alkylammonium or an organic base, or X and/or Y are as defined under R. These esters are suitable as emulsifiers, in particular for oil-in-water emulsions of a cosmetic pharmaceutical nature.Type: GrantFiled: September 11, 1998Date of Patent: May 23, 2000Assignee: Clariant GmbHInventors: Angelika Turowski-Wanke, Matthias Loffler, Oliver Eyrisch
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Patent number: 5919740Abstract: There are disclosed antioxidant additives for lubricating oils which exhibit reduced phosphorus volatility, the additives being sodium, potassium, lithium or oil soluble amine salts of a dialkyldithiophosphoric acid prepared by reacting P.sub.2 S.sub.5 with a mixture of alcohols consisting of (a) a polyol of the formula R(OH).sub.n where R is a C.sub.2 -C.sub.20 hydrocarbyl group and n is 2-10 and (b) an aliphatic monohydric alcohol having 3-18 carbon atoms, the mixture containing relative amounts of polyol and monohydric alcohol such that 50 mole % of the total OH groups are OH groups of the polyol.Type: GrantFiled: May 29, 1998Date of Patent: July 6, 1999Assignee: Exxon Chemical Patents IncInventors: Ricardo A. Bloch, Alexander B. Boffa
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Patent number: 5831112Abstract: The invention is directed to a process for producing a stable, low odor S,S,S-tributylphosphorotrithioate having a level of dibutyl disulfide of 0.3% by weight or less. The process broadly includes the steps ofa) reacting S,S,S-tributylphosphorotrithioite with an oxidizing agent to produce a crude S,S,S-tributylphosphorotrithioate,b) treating the crude product with sodium bisulfite to decompose any excess oxidizing agent,c) adding a caustic solution having a caustic concentration of from 25 to 50% by weight directly to the reaction mixture of step b), the addition of said caustic solution being stopped once the total caustic concentration is less than 10% by weight and once the pH is constant, andd) phase separating S,S,S-tributylphosphorotrithioate from the mixture of step c).Type: GrantFiled: June 20, 1997Date of Patent: November 3, 1998Assignee: Bayer CorporationInventors: Vidyanatha A. Prasad, Peter E. Newallis
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Patent number: 5567341Abstract: Novel ammonium salts of organo-oxyphosphorus acids, organo-thiophosphorus acids and their esters and to the use thereof as additives for lubricants, especially for providing protection against extreme pressure and corrosion, to compositions containing these novel salts, a method for lubricating metal surfaces in frictional contact, and a metal surface treated with the salt or lubricant composition.Type: GrantFiled: April 18, 1995Date of Patent: October 22, 1996Assignee: Imperial Chemical Industries PLCInventor: Bernard Tury
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Patent number: 5466852Abstract: S,S,S-tributylphosphorotrithioite is oxidized with a perborate or percarbonate at a pH of from about 6 to about 12 and at a temperature of from about 40.degree. to about 65.degree. C. Sodium perborate is a particularly preferred oxidizing agent. The product S,S,S-tributylphosphorotrithioate may be recovered by simple phase separation.Type: GrantFiled: August 30, 1994Date of Patent: November 14, 1995Assignee: Bayer CorporationInventors: Vidyanatha A. Prasad, Peter E. Newallis
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Patent number: 5412140Abstract: Alkyl glycidol ether/dithiophosphoric acid addition products corresponding to the following general formula:[R.sup.1 ]O[C(H)(H)][C(H)C(H)(H)(OH)(R.sup.4)] (I)in whichR.sup.4 =[(R.sup.2 O)(R.sup.3 O)]P(S)S,R.sup.1 . . . R.sup.3 =alkyl, aryl,a process for the production of the adducts from the corresponding dithiophosphoric acids and glycidol ethers and the use of the addition products as lubricant additives in lubricants based on mineral oils or native oils.Type: GrantFiled: December 6, 1993Date of Patent: May 2, 1995Assignee: Rhein Chemie Rheinau GmbHInventors: Thomas Dimmig, Gunter Jager, Thomas Petri, Wolfram Radig, Gunther Schilling, Jurgen Braun, Volker Schafer
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Patent number: 5306841Abstract: A compound having the formula ##STR1## where X is a radical of myo-inositol or a radical of a configuration isomer thereof where at least one R is ##STR2## where Y is (1) oxygen, (2) a straight or branched alkyl with 1-10 carbon atoms, where Z is ##STR3## where A.sup.1 and A.sup.2 are the same or different and are hydrogen or methyl and n is 3-10, or ##STR4## where A.sup.1 and A.sup.2 are hydrogen or methyl and where m is 1-5, where R.sup.1 is hydrogen, straight or branched alkyl, aryl or alkaryl, alkoxy or aryloxy, where R.sup.2 is(1) R.sup.1,(2) hydroxyl, or(3) OZOCOR.sup.1,and where the remaining R is/are hydroxyl.Type: GrantFiled: July 2, 1993Date of Patent: April 26, 1994Inventors: Hans Bundgaard, deceased, by Charlotte Bundgaard, legal representative
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Patent number: 5302758Abstract: An improved internal standard for use in determining the concentration of decomposition products of tributyl phosphate in solvent used for solvent extraction. The improved internal standard includes deuterated variants of the decomposition products to be measured, e.g., deuterated dibutyl and monobutyl phosphoric acids. The use of deuterated dibutyl and monobutyl phosphoric acids eliminates the use of diazomethane, which is toxic and explosive, thereby providing a safer laboratory technique for routine analyses required to monitor production solvent extraction processes.Type: GrantFiled: May 10, 1993Date of Patent: April 12, 1994Assignee: General Electric CompanyInventors: Richard I. Larson, Woodfin V. Ligon, Richard L. Fox, Hans Grade
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Patent number: 5260051Abstract: The invention relates to novel compositions, in particular personal product compositions containing phosphate ester surfactants in which a portion of the surfactant molecule has a so-called "benefit reagent" function. It is believed that this benefit reagent portion comes to play when the surfactant is metabolized or hydrolyzed.Type: GrantFiled: December 17, 1990Date of Patent: November 9, 1993Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventor: Suk H. Cho
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Patent number: 5245070Abstract: A compound represented by the following general formula I; ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent a hygrogen atom, alkyl group or aryl group, provided that at least one of R.sup.1, R.sup.2 and R.sup.3 represents 3,7,11,15-tetramethylhexadecyl group, 3,7,11-trimethyldodecyl group or 3,7-dimethyloctyl group, or a salt thereof. The compound may have R- or S- configuration with respect to each asymmetric carbon contained therein and it may be present as a racemate. The compounds of the present invention are useful as surfactants, lubricants, dispersants, emulsifiers, additives, stabilizers, solubilizers, water-repellants, antistatic agents and the like.Type: GrantFiled: March 6, 1992Date of Patent: September 14, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoyuki Nishikawa, Hideto Mori
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Patent number: 5210261Abstract: Amine salts of phosphorothioic acids, useful for example in lubricant compositions, are made by forming a mixture of sulphur and an amine, and then adding a phosphite ester. The reaction is controlled by the rate of addition of the ester.Type: GrantFiled: April 8, 1992Date of Patent: May 11, 1993Assignee: Ethyl Petroleum Additives, Ltd.Inventors: Barrie D. James, Roger Scattergood
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Patent number: 5189195Abstract: Stable S,S,S-tributylphosphorotrithioate having reduced levels of the odorous by-product dibutyl disulfide is produced by adding a caustic solution having a concentration of less than 10% to crude S,S,S-tributylphosphorotrithioate until the pH remains constant. In a preferred embodiment, a solution of sodium hydroxide having a concentration of less than 10% is used in an amount such that at least 0.1 mole of sodium hydroxide is present for each mole of crude S,S,S-tributylphosphortrithioate.Type: GrantFiled: July 30, 1991Date of Patent: February 23, 1993Assignee: Miles Inc.Inventors: Peter E. Newallis, Vidyanatha A. Prasad, Edward R. Levy
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Patent number: 5110485Abstract: A liquid aluminum phosphate salt gelling agent comprising the reaction product of: a dialkyl phosphate formed from the reaction product of (1) a polyphosphate intermediate produced by reacting triethyl phosphate and phosphorous pentoxide and (2) a mixture of aliphatic alcohols having 6 to 10 carbons in their alkyl groups; an aluminum sulfate; and a solvent.Type: GrantFiled: July 16, 1990Date of Patent: May 5, 1992Assignee: Nalco Chemical CompanyInventor: David A. Huddleston
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Patent number: 5080813Abstract: Amine salts having utility in metalworking operations is disclosed. The amine salts are prepared by the reaction of(A) a dihydrocarbyldithiophosphoric acid of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrocarbyl-based groups independently containing from about 5 to about 30 carbon atoms, X is oxygen or sulfur, and(B) an alkoxylated amine prepared by reacting a non-tertiary amine comprising(a) a monoamine,(b) a diamine, or(c) a polyamine,with from about 2 up to about 15 moles of an alkylene oxide comprising ethylene oxide or propylene oxide.Type: GrantFiled: March 26, 1990Date of Patent: January 14, 1992Assignee: Ferro CorporationInventors: Karl P. Kammann, Jr., William R. Garrett
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Patent number: 5057235Abstract: Phosphorodithioate derivatives of oligomers of polyalphaolefins of high viscosity index for use as lubricants and lubricant additives is described.Type: GrantFiled: June 23, 1988Date of Patent: October 15, 1991Assignee: Mobil Oil CorporationInventors: Liehpao O. Farng, Andrew G. Horodysky, Derek A. Law
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Patent number: 5041598Abstract: A composition comprising the reaction product of (A) at least one carboxylic acid acylating agent, (B) at least one amine characterized by the presence within its structure of at least one HN>group, and (C) at least one phosphorus-containing acid of the formula ##STR1## wherein each X.sup.1, X.sup.2, X.sup.3 and X.sup.4 is independently oxygen or sulfur, each m is zero or one, and each R.sup.1 and R.sup.2 is independently a hydrocarbyl group. Aqueous concentrates and water-based functional fluids comprising the foregoing composition are also disclosed.Type: GrantFiled: September 7, 1989Date of Patent: August 20, 1991Assignee: The Lubrizol CorporationInventor: John W. Forsberg
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Patent number: 4977294Abstract: Quaternary ammonium phosphates produced by reacting a dicarboxylic acid with an alkoxylated tertiary amine to prepare an amino-functional polyester, mixing the polyester in the presence of water with a phosphoric acid ester, and reacting the mixture with an alkylene oxide at elevated pressure and temperature. The quaternary ammonium phosphates are useful as anti-static agents for textile fiber materials.Type: GrantFiled: March 3, 1989Date of Patent: December 11, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Guenter Uphues, Uwe Ploog, Wolfgang Becker, Irmhild Goebel
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Patent number: 4877894Abstract: An improved hydrocarbon gelling agent is disclosed comprising the reaction product of (1) a polyphosphate intermediate produced by reacting triethyl phosphate and phosphorous pentoxide and (2) a mixed alcohol having a substantial hexanol component, together with methods of making and using such gelling agent.Type: GrantFiled: January 11, 1988Date of Patent: October 31, 1989Assignee: Nalco Chemical CompanyInventor: David A. Huddleston
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Patent number: 4772739Abstract: A composition comprising the reaction product of (A) at least one carboxylic acid acylating agent, (B) at least one amine characterized by the presence within its structure of at least one HN< group, and (C) at least one phosphorus-containing acid of the formula ##STR1## wherein each X', X.sup.2, X.sup.3 and X.sup.4 is independently oxygen or sulfur, each m is zero or one, and each R' and R.sup.2 is independently a hydrocarbyl group. Aqueous concentrates and water-based functional fluids comprising the foregoing composition are also disclosed.Type: GrantFiled: June 25, 1986Date of Patent: September 20, 1988Assignee: The Lubrizol CorporationInventor: John W. Forsberg