And Reactant Having Alcoholic Or Phenolic -xh Group, Wherein X Is Chalcogen (and Wherein H Of -xh May Be Replaced By Substituted Or Unsubstituted Ammonium, Or By A Group Ia Or Iia Light Metal) Patents (Class 558/114)
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Patent number: 11548904Abstract: The invention relates to a compound of following formula (I), and also to the addition salts thereof with an organic or mineral base, the solvates such as hydrates and the mixtures thereof; to the use thereof as a surfactant, wetting agent, detergent, emulsifier, dispersant, corrosion inhibitor, plasticizer, sequestering agent, ionic liquid, stabilizer, lubricant, bitumen additive, gelling agent in oils, flotation collector for ores, adjuvant in the manufacture of plastic objects, anti-static agent, additive for fertiliser coverings and for enhanced oil recovery, and also to the compositions comprising at least one compound of formula (I) and/or a salt thereof, alone or as a mixture.Type: GrantFiled: November 8, 2018Date of Patent: January 10, 2023Assignee: Arkema FranceInventors: Juan Antonio Gonzalez Leon, Jean-Philippe Gillet, Gilles Barreto, Carl Bouret
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Patent number: 10836862Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.Type: GrantFiled: October 9, 2018Date of Patent: November 17, 2020Assignee: AGC Inc.Inventor: Kiyotaka Takao
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Patent number: 10066086Abstract: The present invention relates to a polymer composition comprising at least one polymeric resin and from 0.1 to 95 wt.-% of at least one surface reactive white mineral material, a process for preparing a surface reactive white mineral material, a surface reactive white mineral material obtainable by the process, a fiber and/or filament and/or film and/or thread and/or breathable film comprising the polymer composition and/or the surface reactive white mineral material, an article comprising the polymer composition and/or the surface reactive white mineral material and/or the fiber and/or filament and/or film and/or thread and/or breathable film as well as the use of a phosphoric acid ester blend for decreasing the hydrophilicity and/or moisture pick up susceptibility of the surface reactive white mineral material-containing particle surface.Type: GrantFiled: February 17, 2014Date of Patent: September 4, 2018Assignee: Omya International AGInventors: Samuel Rentsch, Matthias Buri, Patrick Arthur Charles Gane
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Publication number: 20150045572Abstract: The invention relates to a process for the preparation of alkyl phosphinates, alkenyl phosphinates, alkynyl phosphinates or phenyl phosphinates by reaction of a corresponding phosphine oxide with an alcohol or phenol in the presence of alkali-metal fluoride or tetraalkylammonium fluoride.Type: ApplicationFiled: February 12, 2013Publication date: February 12, 2015Applicant: MERCK PATENT GmbHInventors: Nikolai Mykola Ignatyev, Michael Schulte, Christoph Alexander Jablonka, Karsten Koppe, Walter Frank
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Patent number: 8829222Abstract: A process for the manufacture of dialkyl phosphites is disclosed. In detail, dialkyl phosphites are prepared starting from P4O6, or partially hydrated species thereof cumulatively P—O, by reacting specific molar ratios of alcohol and P—O, containing from 1 to 6 P—O—P bonds in the molecule, in the presence of trialkylphospite (TAP) to thus yield high purity and high yield of dialkyl phosphites. The P—O reactant is preferably represented by liquid P4O6.Type: GrantFiled: May 28, 2010Date of Patent: September 9, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8802883Abstract: A method for the manufacture of dialkyl phosphites is disclosed wherein a P—O component containing from 1 to 6 P—O—P bonds in the molecule is reacted with an alcohol and a carboxylic acid ester having from 1 to 6 carbon atoms in the alkyl group and from 5 to 20 carbon atoms in the esterifying alkyl group of the ester. The dialkyl phosphites are formed under simultaneous removal by distillation of the carboxylic acid formed.Type: GrantFiled: May 28, 2010Date of Patent: August 12, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Publication number: 20130281688Abstract: Unsaturated alcohol compositions are obtained by reducing a metathesis-derived hydrocarbyl unsaturated ester. Also disclosed is a process for preparing an unsaturated alcohol composition, where a metathesis derived hydrocarbyl carbonyl compound is reacted in the presence of a silane compound, an organic solvent, and a catalyst system prepared from a metallic complex and a reducing agent. This mixture is then hydrolyzed with a metallic base, and then mixed with organic solvent. The resultant mixture is then separated, washed, dried, and/or purified to produce the unsaturated alcohol composition. The unsaturated alcohol derivatives are useful in many end-use applications, including, for example, lubricants, functional fluids, fuels, functional additives for such lubricants, functional fluids and fuels, plasticizers, asphalt additives, friction reducing agents, plastics, and adhesives.Type: ApplicationFiled: April 22, 2013Publication date: October 24, 2013Applicant: Elevance Renewable Sciences, IncInventors: Stephen A. Di Biase, Keith M. Wampler, David R. Allen, Randal J. Bernhardt, Ryan Littich
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Publication number: 20130090491Abstract: The present invention relates to phenol-free phosphites and preparation thereof. The phenol-free phosphites are obtained by reacting biphenol, and phosphorous derivatives with higher aliphatic alcohol via condensation and trans-esterification. The phenol-free phosphites of the present invention can be used as a heat stabilizer for resin so as to enhance the heat resistance of the resin during processing at high temperatures.Type: ApplicationFiled: December 20, 2011Publication date: April 11, 2013Inventors: Kuang Hsu HUANG, Chin-Fu Huang
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Patent number: 8344171Abstract: This invention provides a process for the preparation of a dihydrocarbyl hydrocarbonphosphonate. The process comprises forming a reaction mixture from components comprising (i) at least one dihydrocarbyl phosphite, (ii) at least one alkali metal hydrocarbyloxide, and (iii) at least one alcohol, so that a dihydrocarbyl hydrocarbonphosphonate is formed.Type: GrantFiled: June 5, 2008Date of Patent: January 1, 2013Assignee: Albemarle CorporationInventors: Anne M. Sauer, Techen Tsao, Arthur G. Mack, William J. Layman, Jr.
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Publication number: 20120190877Abstract: A method for the manufacture of dialkyl phosphites is disclosed wherein a P—O component containing from 1 to 6 P—O—P bonds in the molecule is reacted with an alcohol and a carboxylic acid ester having from 1 to 6 carbon atoms in the alkyl group and from 5 to 20 carbon atoms in the esterifying alkyl group of the ester. The dialkyl phosphites are formed under simultaneous removal by distillation of the carboxylic acid formed.Type: ApplicationFiled: May 28, 2010Publication date: July 26, 2012Applicant: STRAITMARK HOLDING AGInventors: Patrick Notté, Albert Devaux
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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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Patent number: 8198341Abstract: A method of making hydroxymethylphosphonate comprising heating paraformaldehyde in a solvent to a desired reaction temperature, wherein the solvent is present in at least an amount necessary to solvate or suspend the paraformaldehyde; adding at least one alkyl phosphite to the heated paraformaldehyde, to provide hydroxymethylphosphonate, the alkyl phosphite being added to the heated paraformaldehyde at a rate which will avoid or inhibit the production of a significant exotherm and resulting high/significant level of acid by-product(s), there being present in the reaction medium at least one hindered amine catalyst in which the nitrogen in the amine is directly bound to a secondary and/or tertiary carbon of an organic group; and, optionally, following the completion of the addition, heating the reaction mixture to an elevated temperature.Type: GrantFiled: December 18, 2008Date of Patent: June 12, 2012Assignee: ICL-IP America Inc.Inventors: Jeffrey Stowell, Ronald L. Pirrelll, Ryan Yanosy
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Publication number: 20120130109Abstract: A process for the manufacture of dialkyl phosphites is disclosed. In detail, dialkyl phosphites are prepared starting from P4O6, or partially hydrated species thereof cumulatively P—O, by reacting specific molar ratios of alcohol and P—O, containing from 1 to 6 P—O—P bonds in the molecule, in the presence of trialkylphospite (TAP) to thus yield high purity and high yield of dialkyl phosphites. The P—O reactant is preferably represented by liquid P4O6.Type: ApplicationFiled: May 28, 2010Publication date: May 24, 2012Applicant: STRAITMARK HOLDING AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8178004Abstract: A composition and method for forming a hydrophobic coating on a metallic substrate are disclosed. The composition comprises: (a) a perfluorinated acid, (b) a surfactant, (c) an organic solvent, and (d) water. The composition is applied to the metal surface, the organic solvent and water permitted to evaporate and coalesce to form a substantially continuous film that preferably is in the form of a self-assembled monolayer covalently bonded to the surface of the substrate.Type: GrantFiled: June 17, 2009Date of Patent: May 15, 2012Assignee: Aculon, Inc.Inventor: Eric L. Hanson
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Patent number: 7919643Abstract: This invention relates to the synthesis for a precursor of E6020, compound 26, via a ?-keto amide alcohol intermediate, compound 22. The synthesis reacts compound 22 with compound 25 and the resultant intermediate is oxidized to produce compound 26, the precursor to E6020. Compounds 22 and 25, and their crystalline forms, represent separate embodiments of the invention. The invention also relates to compounds of formulas (3) and (4) and processes for their preparation. The ?-keto amide alcohol intermediate compound 22 is a compound of formula (3). Compound 25 is a compound of formula (4).Type: GrantFiled: December 18, 2008Date of Patent: April 5, 2011Assignee: Eisai R & D Management Co., Ltd.Inventors: Bruce DeCosta, Francis G. Fang, James E. Foy, Lynn Hawkins, Charles Lemelin, Xiang Niu, Kuo-Ming Wu
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Publication number: 20100311695Abstract: The present invention relates to hydroxy-bisphosphonic acid derivatives corresponding to general formula (I): in which: -n and m denote, independently of one another, an integer ranging from 1 to 4, —X denotes an oxygen atom or an N—R3 group, —R1 and R3 denote, independently of one another, a linear or branched C1 to C6 alkyl group, and —R2 denotes a residue of a molecule of therapeutic or diagnostic interest, or pharmaceutically acceptable salts of said derivatives, and also the method for the preparation thereof and the therapeutic or diagnostic use thereof.Type: ApplicationFiled: January 5, 2009Publication date: December 9, 2010Inventors: Maxim Egorov, Yannick Fortun, Dominique Heymann, Jacques Lebreton, Monique Mathe, Marc Padrines, Francoise Redini
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Publication number: 20100160468Abstract: A method of making hydroxymethylphosphonate comprising heating paraformaldehyde in a solvent to a desired reaction temperature, wherein the solvent is present in at least an amount necessary to solvate or suspend the paraformaldehyde; adding at least one alkyl phosphite to the heated paraformaldehyde, to provide hydroxymethylphosphonate, the alkyl phosphite being added to the heated paraformaldehyde at a rate which will avoid or inhibit the production of a significant exotherm and resulting high/significant level of acid by-product(s), there being present in the reaction medium at least one hindered amine catalyst in which the nitrogen in the amine is directly bound to a secondary and/or tertiary carbon of an organic group; and, optionally, following the completion of the addition, heating the reaction mixture to an elevated temperature.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Inventors: Jeffrey Stowell, Ronald L. Pirrelli, Ryan Yanosy
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Publication number: 20090187038Abstract: This invention relates to the synthesis for a precursor of E6020, compound 26, via a ?-keto amide alcohol intermediate, compound 22. The synthesis reacts compound 22 with compound 25 and the resultant intermediate is oxidized to produce compound 26, the precursor to E6020. Compounds 22 and 25, and their crystalline forms, represent separate embodiments of the invention. The invention also relates to compounds of formulas (3) and (4) and processes for their preparation. The ?-keto amide alcohol intermediate compound 22 is a compound of formula (3). Compound 25 is a compound of formula (4).Type: ApplicationFiled: December 18, 2008Publication date: July 23, 2009Inventors: Bruce DeCosta, Francis G. Fang, James E. Foy, Lynn Hawkins, Charles Lemelin, Xiang Niu, Kuo-Ming Wu
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Publication number: 20080300418Abstract: The invention provides novel synthetic methodologies for preparing cardiolipin, migrated caridiolipin (1,2-positional isomer of cardiolipin) and their analogues having varying fatty acids and/or alkyl chains with varying length and degrees of saturation/unsaturation. The method comprises (a) reacting an optically pure 1,2-O-dialkyl-sn-glycerol or 1,2-O-dialkyl-sn-glycerol with one or more phosphoramidite reagent(s), wherein a phosphite triester is produced; (b) coupling the product of (a) with glycerol, wherein a protected cardiolipin is produced; and (c) deprotecting the protected cardiolipin, such that cardiolipin is prepared. The cardiolipins and analogues thereof, prepared by the present methods, can be incorporated into liposomes, which can also include active agents such as hydrophobic or hydrophilic drugs, antisense nucleotides or diagnostic agents. Such liposomes can be used to treat diseases or can be used in diagnostic and/or analytical assays.Type: ApplicationFiled: November 8, 2005Publication date: December 4, 2008Inventors: Moghis U. Ahmad, Murali K. Ukkalam, Shoukath M. Ali, Imran Ahmad
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Patent number: 7214811Abstract: A derivative of phosphoric acid ester salt or adduct or a mixture thereof is obtained from a reaction product, polycondensed with at least one aldehyde, of at least one polyol phosphoric acid ester with at least one organic nitrogen base. The derivative is advantageously used as a flame-inhibiting and/or intumescent treatment in plastic mouldings, on porous carriers or in paint or coating systems. The production of the derivative or a mixture thereof by reacting at least one polyol with phosphorus pentoxide and reacting the polyol phosphoric acid ester obtained in that way with at least one organic nitrogen base forming a phosphoric acid ester salt or adduct, is characterized in that the amount of phosphorus pentoxide required for the esterification operation is suspended in an amount of the ester or ester mixture to be produced, then at a temperature in the range of 20–180° C.Type: GrantFiled: February 28, 2002Date of Patent: May 8, 2007Assignee: Chemische Fabrik Budenheim KGInventors: Karl Götzmann, Thomas Futterer, Hans-Dieter Nägerl, Vincent Mans
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Patent number: 7105695Abstract: The original synthesis of combretastatin A-2 (1a) was modified to provide an efficient scale-up procedure for obtaining this antineoplastic stilbene. Subsequent conversion to a useful prodrug was accomplished by phosphorylation employing in situ formation of dibenzylchlorophosphite followed by cleavage of the benzyl ester protective groups with bromotrimethylsilane to afford phosphoric acid intermediate 11. The latter was immediately treated with sodium methoxide to complete a practical route to the disodium phosphate prodrug (2a). The phosphoric acid precursor (11) of phosphate 2a was employed in a parallel series of reactions to produce a selection of metal and ammonium cation prodrug candidates. Each of the phosphate salts (2a–q) was evaluated with respect to relative solubility behavior, cancer cell growth inhibition, and antimicrobial activity.Type: GrantFiled: December 20, 2002Date of Patent: September 12, 2006Assignee: Arizona Board of Regents, acting for and on behalf of Arizona State UniversityInventors: George R. Pettit, Bryan R. Moser
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Patent number: 6710199Abstract: A process for preparing a phosphoric ester having reduced odor, comprising contacting a phosphoric ester with at least one of an inert gas and steam at 100° to 160° C. in a packed tower; a process for preparing a phosphoric ester having reduced odor, comprising repeating a set of processes comprising (A) heating a phosphoric ester, and contacting the heated phosphoric ester with at least one of an inert gas and steam; and (B) cooling the phosphoric ester obtained in the step (A); a process for preparing a phosphoric ester having reduced odor, comprising adding water to a phosphoric ester, and distilling water from the phosphoric ester under reduced pressure; and a process for preparing a phosphoric ester having reduced odor, comprising reacting an organic hydroxy compound with a phosphorylation agent, while introducing an inert gas into the mixture of the organic hydroxy compound and the phosphorylation agent.Type: GrantFiled: May 30, 2002Date of Patent: March 23, 2004Assignee: Kao CorporationInventors: Shinji Tsuyutani, Kengo Shibata, Kazunori Aizawa, Masaru Sakata, Mitsugu Morishita
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Patent number: 6653495Abstract: Process for obtaining mixtures of phosphoric mono- and diesters having the formula: [Rf—CF2—(CH2)q—Z]w—P(O)(OH)3−w (I) HO—[OH(O)P—Z—(CH2)q—CF2—O—Rf—CF2—(CH2)q—Z]v—P(O)(OH)2 (II) wherein: w=1-2; v=1-6; q=1-20; Z=O(C2H4O)p—, O(CH2)n—O—, O(C3H6O)p—, S(C2H4O)p—, S(C3H6O)p—; n=1-20; p=1-5; Rf represents a (per)fluoropolyether chain; Rf in formula (I) is a monofunctional perfluoropolyether chain wherein the chain end group is selected from: CF3O—, C2F5O—, C3F7O—, Cl(C3F6O)—, H(C3F6O)—.Type: GrantFiled: January 18, 2002Date of Patent: November 25, 2003Assignee: Ausimont S.p.A.Inventors: Antonio Russo, Claudio Tonelli
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Patent number: 6593376Abstract: A process for preparing amphiphilic compounds having at least two hydrophilic and at least two hydrophobic groups by reacting an olefinic substrate having at least two double bonds with an organic hydroperoxide to form an oxirane ring, opening, the oxirane ring with an alcohol in the presence of a catalyst system comprising a molybdenum compound as a first catalyst component and a second catalyst component selected from the group consisting of boron trifluoride, alumina, 1,8-diazzabicyclo-(5.4.0)-undec-7-ene, 1,4-diazabicyclo-(2,2,2)-octane.Type: GrantFiled: December 30, 1999Date of Patent: July 15, 2003Assignee: SASOL Germany GmbHInventors: Mark Rüsch gen. Klaas, Klaus Kwetkat, Siegfried Warwel
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Patent number: 6512133Abstract: A process for the production of phosphoric acid esters or phosphoric acid ester mixtures of polyhydric alcohols by reaction of the polyhydric alcohols with phosphorus pentoxide is characterized in that the amount of phosphorus pentoxide which is required for the esterification operation is suspended in an amount of the ester or ester mixture to be produced, thereupon the amount of polyhydric alcohol required for the esterification operation and possibly water is added at a temperature in the range of between 20 and 180° C., thereupon the esterification reaction is substantially completely executed and thereafter the product is obtained. The products of the process are used for the production of flame-proofing treatments.Type: GrantFiled: October 25, 2000Date of Patent: January 28, 2003Assignee: Chemische Fabrik Budenheim RudolfInventors: Karl Götzmann, Hans-Dieter Nägerl, Klaus Sommer
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Patent number: 6486339Abstract: The isomerization of an alkylated phenol composition that contains an ortho-alkyl substituted phenol component to isomerize and reduce the level of ortho-alkyl substituted phenol component therein can be accomplished by heating that composition in the presence of a catalytically effective amount of a solid acid catalyst to carry out such isomerization and reduction in the level of ortho-alkyl substituted phenol. Examples of suitable solid acid catalysts can be selected from the H-form zeolites, the supported sulfonic acids, and the heteropoly acids. The resulting isomerized product can be subsequently phosphorylated.Type: GrantFiled: April 26, 2001Date of Patent: November 26, 2002Assignee: Akzo Nobel NVInventors: Anantha N. Desikan, George E. Whitwell
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Patent number: 6407277Abstract: An organic hydroxyl compound is reacted with a phosphorylating agent comprising phosphorus pentaoxide and at least one compound selected from the group consisting of water, phosphoric acid and polyphosphoric acid and having a value represented by formula (I) of from 0.5 to 1.0, under such a condition that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.2; or alternatively, an organic hydroxyl compound is reacted with the above phosphorylating agent under such a condition that the ratio as defined by formula (II) has a value in the range of from exceeding 3.2 up to 6.4 and then phosphorus pentaoxide is added to the reaction product in such an amount that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.2 with respect to the total feeds of the starting materials to conduct further reaction.Type: GrantFiled: June 9, 1997Date of Patent: June 18, 2002Assignee: Kao CorporationInventors: Akira Matsunaga, Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda
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Patent number: 6191253Abstract: A dispersant for aqueous mill-bases obtainable by reacting a polyethylene glycol with a molar excess of a hydroxycarboxylic acid containing from 4 to 17 carbon atoms or lactone thereof and/or with a C3-4-alkylene oxide to form a polymeric diol and phosphating the diol. The preferred hydroxycarboxylic acid or lactone is &egr;-caprolactone.Type: GrantFiled: June 9, 1998Date of Patent: February 20, 2001Assignee: Zeneca LimitedInventors: John David Schofield, Dean Thetford
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Patent number: 5785894Abstract: A dispersant for aqueous mill-bases obtainable by reacting a polyethylene glycol with a molar excess of a hydroxycarboxylic acid containing from 4 to 17 carbon atoms or lactone thereof and/or with a C.sub.3-4 -alkylene oxide to form a polymeric diol and phosphating the diol. The preferred hydroxycarboxylic acid or lactone is .epsilon.-caprolactone.Type: GrantFiled: December 13, 1996Date of Patent: July 28, 1998Assignee: Zeneca LimitedInventors: John David Schofield, Dean Thetford
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Patent number: 5728746Abstract: The invention relates to a process for the preparation of mixtures of oligomeric phosphoric acid esters of the formula (I) ##STR1## in which n is a number from 0 to 8,R.sub.1, R.sub.2, R.sub.3 and R.sub.7 are identical or different and are a halogen-free alkyl or aryl radical or a hydroxyl-containing radical of the formula II and R.sub.4 is a radical of the formula III ##STR2## in which, in the formulae II and III, R.sub.5 and R.sub.6 are a hydrogen atom or an alkyl radical and m is a number from 1 to 4, which comprises reacting, in a first stage, aliphatic or araliphatic alcohols and/or phenols with phosphorus pentoxide (P.sub.4 O.sub.10) in a molar ratio of (2.8 to 6.0):1.0 (alcohol/phenol: P.sub.4 O.sub.10) at a temperature from 20.degree. to 100.degree. C. in the course of 0.5 to 72 hours, a polyphosphoric acid partial ester mixture of the formula V ##STR3## which R.sub.1 ', R.sub.2 ', R.sub.3 ' and R.sub.Type: GrantFiled: October 23, 1996Date of Patent: March 17, 1998Assignee: Hoechst AktiengesellschaftInventor: Martin Sicken
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Patent number: 5478960Abstract: Heterosubstituted acetals of the formula ##STR1## can be obtained by reacting vinyl compounds of the formulaCH.sub.2 .dbd.CH-A.sup.1 (II)with alkyl nitrites of the formulaR.sup.1 --ONO (III.)The reaction is performed in the presence of palladium in metallic or bonded form and in alcohols or ethers as reaction medium at from 0.degree. to 120.degree. C.Type: GrantFiled: March 22, 1995Date of Patent: December 26, 1995Assignee: Bayer AktiengesellschaftInventors: Heinz Landscheidt, Alexander Klausener
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Patent number: 4800229Abstract: Reactive dispersants for magnetic recording media are prepared by sequentially phosphating and esterifying or esterifying and phosphating alkoxylated alcohols having at least two carbon atoms and at least two hydroxyl groups. The phosphating agent can be phosphorus oxychloride while the esterifying agent can be acrylic acid.Type: GrantFiled: January 12, 1988Date of Patent: January 24, 1989Assignee: Diamond Shamrock Chemical CompanyInventor: John G. Papalos
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Patent number: 4753749Abstract: The present invention relates to microbiocidal cleansing agent and to a microbiocidal amine alkyl phosphate additive which is incorporated therein.The microbiocidal amine alkyl phosphate has the following general structure: ##STR1## wherein R=an alkyl group containing from 1 to 24 carbon atoms;R.sub.1 =an alkyl group containing from 1 to 3 carbon atoms; andR.sub.2 =an alkyl group containing from 1 to 5 carbon atoms.The microbiocidal cleansing agent of the present invention may be prepared by dissolving the amine alkyl phosphate additive in water or a conventional detergent.Type: GrantFiled: September 23, 1987Date of Patent: June 28, 1988Assignee: Interface Research CorporationInventor: Robert H. McIntosh
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Patent number: 4744918Abstract: Liquid crystal phases containing at least one optically active compound of the formula IR.sup.1 --X.sup.1 --CHR.sup.o (CH.sub.2).sub.p X.sup.2 --R.sup.2 Iwherein X.sup.1 and X.sup.2 independently of one another are each --CO--O-- or --O--CO--, one of X.sup.1 and X.sup.2 may also be --O--, R.sup.1 and R.sup.2 independently of one another are each a group --(A.sup.1 --Z).sub.m --(A.sup.2).sub.n -Y, whereinA.sup.1 and A.sup.2 in each case independently of one another are a 1,4-phenylene, pyrimidine-2,5-diyl, pyrazine-2,5-diyl, pyridine-2,5-diyl, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, 1,3-dithiane-2,5-diyl or 1,4-bicyclo(2,2,2)-octylene group, it also being possible for this to be monosubstituted or polysubstituted by F, Cl, Br, CN and/or alkyl groups with up to 12 C atoms, and it being possible for 1 or 2 non-adjacent CH.sub.2 groups in the alkyl groups to be replaced by O atoms,Z is --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O--, --CH.dbd.N--, --N.dbd.CH--, --N.dbd.N--, --N(O).Type: GrantFiled: July 11, 1985Date of Patent: May 17, 1988Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Gerd Heppke, Feodor Oestreicher
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Patent number: 4587063Abstract: An industrially advantageous process of preparing phosphoric acid diesters of high purity.To a mixture of phosphoric esters comprising phosphoric monoesters and phosphoric diesters, a base is added in an amount of 0.5-1.3 equivalents based on phosphorus atoms which are contained in the mixture. The phosphoric monoesters are converted into orthophosphoric acid and organic hydroxyl compounds by hydrolysis, after which step the orthophosphoric acid and organic hydroxyl compounds are removed from the mixture.Type: GrantFiled: July 8, 1983Date of Patent: May 6, 1986Assignee: KAO CorporationInventors: Tomihiro Kurosaki, Norio Nishikawa