Polycarboxylic Acid Patents (Class 560/180)
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Patent number: 10669225Abstract: Linear ?, ?-nonadecanediester derivatives and methods of making the derivatives are described. The methods include reacting a linear ?, ?-nonadecanediester or a linear ?, ?-nonadecanedicarboxylic acid with a reactant optionally in the presence of at least one of a solvent and a catalyst to form the ?, ?-nonadecanediester derivative. Methods of making linear ?, ?-nonadecanediester or diester derivatives are also described.Type: GrantFiled: November 9, 2016Date of Patent: June 2, 2020Assignee: Battelle Memorial InstituteInventors: Ramanathan S. Lalgudi, Jeffrey Cafmeyer, Robert J. Cain, Daniel Garbark
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Patent number: 10604472Abstract: The present invention discloses a novel eco-friendly, cost effective, autocatalytic process for the synthesis of tributyl citrate (TBC) with high yields and purity.Type: GrantFiled: November 17, 2016Date of Patent: March 31, 2020Assignee: Council of Scientific & Industrial ResearchInventor: Sanjay Pandurang Kamble
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Patent number: 10407543Abstract: A method for producing polyethylene glycol having a terminal carboxyl group including oxidizing polyethylene glycol represented by formula (I): CH3O(CH2CH2O)n(CH2)m—CHO with potassium peroxymonosulfate in water whose pH is adjusted to be from 6 to 8 with at least one selected from a carbonate, a phosphate, a citrate and an acetate at 5 to 40° C. to produce polyethylene glycol represented by formula (II): CH3O(CH2CH2O)n(CH2)m—COOH, wherein n is a number from 10 to 1,100, and m is 2 or 3.Type: GrantFiled: November 17, 2016Date of Patent: September 10, 2019Assignee: NOF CORPORATIONInventors: Akiko Doi, Takashi Ichikawa, Tsuyoshi Takehana, Takuma Tsubusaki
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Patent number: 9309357Abstract: A new synthetic method of forming free radical polymerizable end terminal functionalized poloxamers and poloxamines in commercial scale batches which uses a binary system of inhibitors to eliminate the formation of high molecular weight impurities. It has also been surprisingly discovered that the inorganic impurities formed during the commercial scale synthetic process are removed by the use of resin materials.Type: GrantFiled: June 18, 2014Date of Patent: April 12, 2016Assignee: Bausch & Lomb IncorporatedInventors: Alok Kumar Awasthi, Jay F. Kunzler, Ganugapati Satyanarayana, Satheesha Rai Nooji
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Publication number: 20150148480Abstract: Optical materials including polymerizable compositions and oligomeric and polymeric material formed therefrom. The oligomer or polymer material include structural repeat units. The optical material has low or substantially no absorbance of wavelengths in at least one of the spectral regions of interest. Optical components include adhesives, waveguides, spherical or non-spherical optical lenses, architectural articles, automotive components, laminated structures and composites.Type: ApplicationFiled: May 31, 2013Publication date: May 28, 2015Inventors: Matthew McBrayer Ellison, Bernard Miles Malofsky, Adam Gregg Malofsky, Tanmoy Dey, Jeffrey M. Sullivan
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Patent number: 8987524Abstract: A process for the manufacture of Sevoflurane CF3—CH(OCH2F)—CF3 which comprises (a) manufacturing a substituted malonic acid derivative of formula (I): R1OOC—CH(OCH2X)—COOR2 or of formula (II): R3HNOC—CH(OCH2X)—CONHR4, wherein X is OH or a leaving group which can be substituted by nucleophilic substitution and wherein R1, R2 R3, R4, equal to or different from each other, are independently selected from the group consisting of H, an alkyl group having from 1 to 10 carbon atoms which is optionally substituted by at least one halogen atom, an aralkyl group, and an aryl group; and (b) further reacting said malonic acid derivative as intermediate for the manufacture of Sevoflurane CF3—CH(OCH2F)—CF3.Type: GrantFiled: August 10, 2010Date of Patent: March 24, 2015Assignee: Solvay Fluor GmbHInventor: Max Josef Braun
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Publication number: 20150065742Abstract: A method for producing nitrous acid ester in which nitric oxide, oxygen, and an alcohol are reacted, thereby generating nitrous acid ester includes a step of generating nitrous acid ester by supplying a bottom liquid from a bottom part of the reaction column, and nitric oxide and/or carbon monoxide, a step of supplying nitrous acid ester to the reaction column; a step of supplying a reaction liquid containing water, nitric acid, and the alcohol to a nitric acid condensing column from the reactor; and a step of separating a low-boiling point component by distillation from the reaction liquid under control of a concentration of the alcohol in a condensed liquid being generated at a bottom part of the nitric acid condensing column to be less than 4.0% by weight so as to introduce the condensed liquid into the reactor from the nitric acid condensing column.Type: ApplicationFiled: February 27, 2013Publication date: March 5, 2015Inventors: Syuji Tanaka, Hirofumi Ii, Akira Hino, Yuya Fukui, Satoshi Ueda
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Patent number: 8962541Abstract: The present invention relates to alcohols and in particular to C4 to C15 alcohols that are used in the production of esters.Type: GrantFiled: December 3, 2009Date of Patent: February 24, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Allen D. Godwin, Philippe L. Buess, Raphael F. Caers, Arie Van Vliet, Eddy T. A. Van Driessche, Alfons Cuyckens
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Publication number: 20150025142Abstract: The invention relates to the use of one or more oligomers of lactic acid or a lactic acid oligomeric product for the prophylaxis and/or treatment of a disease or condition that benefits from an acidic environment, especially a gynaecological infection including a bacterial infection such as bacterial vaginosis, unspecific colpitis, senile colpitis, cervicitis, and urethritis, a fungal infection, such as candidosis (Candida albicans), cryptococcosis, actinomycosis, or a viral infection, such as Human Immunodefiency Virus (HIV), Herpes Simplex Virus (HSV), Human Papilloma Virus (HPV).Type: ApplicationFiled: June 20, 2014Publication date: January 22, 2015Inventors: Greg Batcheller, Thomas Hedner, Joergen Johnsson, Werner Schubert, Christer Sjoegren, Olov Sterner, Malgorzat Sznitowska
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Patent number: 8920789Abstract: The invention provides method for sequestering or trapping L-lactate in or near a tumor cell comprising contacting an isolated polymer of D-lactic acid (PDLA) or an equivalent, derivative or analog thereof with the tumor cell so that the PDLA binds L-lactate in or near the cell and thereby sequestering or trapping L-lactate in or near the tumor cells.Type: GrantFiled: January 27, 2012Date of Patent: December 30, 2014Assignee: The United States of America as represented by the Department of Veterans AffairsInventors: Joel S. Goldberg, Joe Brice Weinberg
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Patent number: 8912232Abstract: The invention relates to an oligomeric lactic acid composition comprising one or more oligomers of lactic acid or a pharmaceutical composition comprising an oligomeric lactic acid composition for the prophylaxis and/or treatment of a disease or condition that benefits from an acidic environment.Type: GrantFiled: March 28, 2013Date of Patent: December 16, 2014Assignee: Laccure ABInventors: Greg Batcheller, Thomas Hedner, Joergen Johnsson, Werner Schubert, Christer Sjoegren, Olov Sterner, Malgorzat Sznitowska
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Publication number: 20140364530Abstract: The present invention relates to a (meth)acrylated compound (A) prepared from: (i) a polyol constituent, (ii) a polyacid constituent and (iii) one or more (meth)acrylating compounds, wherein the polyol constituent comprises at least 30% by weight of one or more cyclic ether polyols, relative to the total weight of the polyol constituent, and wherein the compound (A) optionally further contains one or more moieties selected from the group consisting of (poly)caprolactone-containing moieties (ai), (poly)lactide- and/or (poly)glycolide-containing moieties (aii), moieties providing epoxide groups (aiii) and moieties providing alkylene oxide groups containing from 2 to 4 carbon atoms (aiv). The compounds of the invention are in particular suited for the making of radiation curable coating compositions and inks less prone to migration.Type: ApplicationFiled: March 22, 2013Publication date: December 11, 2014Inventors: Luc Lindekens, Thierry Randouz, Ruben Cleymans, Paul Gevaert
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Publication number: 20140357887Abstract: Hybrid polyester-polyether polyols are prepared by polymerizing an alkylene oxide in the presence of a carboxylate initiator. The polymerization is catalyzed with a mixture of double metal cyanide catalyst complex and certain magnesium, group 3-group 15 metal or lanthanide series metal compounds.Type: ApplicationFiled: December 10, 2012Publication date: December 4, 2014Inventors: Pavel L. Shutov, David S. Laitar, David A. Babb
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Publication number: 20140329893Abstract: Compositions comprising ketone bodies and/or their metabolic precursors are provided that are suitable for administration to humans and animals and which have the properties of, inter alia, (i) increasing cardiac efficiency, particularly efficiency in use of glucose, (ii) for providing energy source, particularly in diabetes and insulin resistant states and (iii) treating disorders caused by damage to brain cells, particularly by retarding or preventing brain damage in memory associated brain areas such as found in Alzheimer's and similar conditions. These compositions may be taken as nutritional aids, for example for athletes, or for the treatment of medical conditions, particularly those associated with poor cardiac efficiency, insulin resistance and neuronal damage. The invention further provides methods of treatment and novel esters and polymers for inclusion in the compositions of the invention.Type: ApplicationFiled: December 3, 2013Publication date: November 6, 2014Applicant: BTG International LimitedInventor: Richard L. Veech
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Publication number: 20140251178Abstract: This invention provides a viscosity modifier for high concentration dispersion of inorganic fine particles which can reduce, by giving excellent viscosity modifying function to a high concentration dispersion of inorganic fine particles (e.g., printing ink composition, functional paste composition or paint composition, of high concentration dispersion of inorganic fine particles), the occurrence of inconvenience in a printing step or coating step for the manufacture of components or substrates, and also provides a high concentration dispersion of inorganic fine particles which contains said viscosity modifier.Type: ApplicationFiled: February 24, 2014Publication date: September 11, 2014Applicant: KUSUMOTO CHEMICALS, LTD.Inventors: Daisuke SHIMIZU, Junpei SUETOU, Chihiro HAMAZAKI, Kenichi ASANO, Hideki SATAKE, Eiichi SATO
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Publication number: 20140243547Abstract: The present invention relates to mono- or bi-functional (per)fluoropolyethers comprising a linear (per)fluoropolyether chain having two ends, wherein one or two ends contain —CF(CF3)COF groups, to a process for preparing them and to their use as precursors in the preparation of further functionalised (per)fluoropolyethers. The invention also relates to these further functionalised (per)fluoropolyethers.Type: ApplicationFiled: September 25, 2012Publication date: August 28, 2014Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Simonetta Antonella Fontana, Claudio Adolfo Pietro Tonelli, Piero Gavezotti
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Patent number: 8785676Abstract: The present invention is directed to a series of citrate ester emulsifiers that are effective in making water in oil (regular emulsions) and oil in water (invert emulsions). In addition to being outstanding emulsifiers, these emulsifiers provide unique solubility, liquidity and outstanding feel when applied to the skin, making them highly desirable in cosmetic emulsions.Type: GrantFiled: January 10, 2012Date of Patent: July 22, 2014Assignee: SurfaTech CorporationInventor: Thomas George O'Lenick
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Publication number: 20140179580Abstract: Agent for obtaining a stable aqueous composition comprising an association: of a polymer constituted by: at least one A monomer of acrylic acid and/or methacrylic acid and/or any of their salts, at least one B monomer of alkyl acrylate and/or methacrylate, and At least one crosslinking D monomer, and with at least one C compound corresponding to the following formulae (I): R1-O-[(EO)n(PO)n?(BO)n?]-Z??(I) in which: R1 represents an ethyl, isopropyl or sec-butyl radical, [(EO)n(PO)n?(BO)n?] represents a polyalkoxylated chain constituted of alkoxylated units, distributed into blocks, alternatively or statistically, chosen from among EO ethoxylated units, PO propoxylated units and BO butoxylated units, representing, independently from each other, 0 or a whole number between 1 and 150, the sum of n, n? and n? not being null, and Z represents a fatty chain, linear or branched, of at least 16 carbon atoms.Type: ApplicationFiled: December 19, 2013Publication date: June 26, 2014Applicant: COATEXInventors: Renaud SOUZY, Yves KENSICHER, Olivier GUERRET
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Publication number: 20140142199Abstract: The present invention relates to the discovery of a new class of hydrolysable isocyanates, hydrolysable branched polyols and branched absorbable polyesters and polyurethanes prepared therefrom. The resultant absorbable polymers are useful for drug delivery, stents, highly porous foam, reticulated foam, tissue engineering, tissue adhesives, adhesion prevention, bone wax formulations, medical device coatings, surface modifying agents and other implantable medical devices. In addition, these absorbable polymers can have a controlled hydrolytic degradation profile.Type: ApplicationFiled: January 22, 2014Publication date: May 22, 2014Inventor: Rao S. Bezwada
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Publication number: 20140135244Abstract: The invention relates to (per)fluoropolyether block copolymers comprising: A) a fluoropolyoxyalkylene segment (chain Ra) comprising one or more units of formula (CHXCF2CF2O)— in which X is hydrogen or fluorine; B) a (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, said (per)fluoropolyoxyalkylene segment being different from chain Ra and having a molecular weight higher than 400 g/mol. These copolymers are endowed with improves lubricant properties or with improved water and oil-repellence properties.Type: ApplicationFiled: June 20, 2012Publication date: May 15, 2014Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Claudio Adolfo Pietro TONELLI, Simonetta Antonella FONTANA, Marco GALIMBERTI, Piero GAVEZOTTI
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Publication number: 20140097379Abstract: A poly(neopentylpolyol) ester composition is produced by reacting a neopentylpolyol having the formula: wherein each R is independently selected from the group consisting of CH3, C2H5 and CH2OH and n is a number from 1 to 4, with at least one monocarboxylic acid having 2 to 15 carbon atoms in the presence of an acid catalyst and at an initial mole ratio of carboxyl groups to hydroxyl groups of greater than 0.5:1 to 0.95:1 to form a partially esterified poly(neopentylpolyol) composition. Then the partially esterified poly(neopentylpolyol) composition is reacted with additional monocarboxylic acid having 2 to 15 carbon atoms to form a final poly(neopentylpolyol) ester composition.Type: ApplicationFiled: October 9, 2012Publication date: April 10, 2014Inventors: Dale Carr, Jeffrey Hutter, Richard Kelley, Edward T. Hessell, Roberto Urrego
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Patent number: 8680318Abstract: The current invention is drawn to a series of citrate esters having high melting domains and liquid domains at room temperature. This that results in an ability to alter hardness, melt point and skin feel, making outstanding waterproofing and emollient properties when applied to skin.Type: GrantFiled: September 30, 2010Date of Patent: March 25, 2014Assignee: Surfatech CorporationInventor: Kevin A. O'Lenick
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Publication number: 20140072521Abstract: The invention relates to polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in in particular cosmetic formulations as, for example, emulsifier.Type: ApplicationFiled: September 5, 2013Publication date: March 13, 2014Applicant: Evonik Industries AGInventors: Juergen Meyer, Achim Friedrich, Hannelore Foetsch, Oliver Springer, Jan Marian von Hof, Hans Henning Wenk
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Publication number: 20130338395Abstract: The invention relates to a method for producing a biomass-resource-derived polyurethane, which comprises: reacting a dicarboxylic acid and an aliphatic diol to produce a polyester polyol; and reacting the polyester polyol and a polyisocyanate compound, wherein the dicarboxylic acid contains at least one component derived from biomass resources, a content of an organic acid in the dicarboxylic acid is more than 0 ppm and not more than 1,000 ppm relative to the dicarboxylic acid, and a pKa value of the organic acid at 25° C. is not more than 3.7.Type: ApplicationFiled: April 26, 2013Publication date: December 19, 2013Inventors: Teruhiko OHARA, Naoki Suzuki, Yasuko Nakajima, Hiroto Itou, Takayuki Aoshima, Naoki Sugai, Takanao Matsumoto
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Patent number: 8609172Abstract: A method of using organic compounds and providing slow release flavoring in or for food products wherein flavor precursors are added to flavor compositions and/or food products and release flavor compounds upon consumption of the food products, and novel flavor precursor compounds. The flavor precursors can be prepared from mono- and/or diglycerides and lactone flavor compounds.Type: GrantFiled: July 25, 2007Date of Patent: December 17, 2013Assignee: Givaudan SAInventor: Willi Grab
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Publication number: 20130324759Abstract: The present invention provides compositions comprising at least one GHB moiety bonded to at least one physiologically compatible carrier molecule. The compositions can enhance the uptake of the drug, deliver effective therapeutic doses in a time-delayed fashion, or can target specific organs.Type: ApplicationFiled: May 20, 2013Publication date: December 5, 2013Applicant: Orphan Medical, Inc.Inventors: Mortimer Mamelak, William C. Houghton, Dayton T. Reardan, Brian L. Miller
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Publication number: 20130317121Abstract: The invention relates to a method for preparing linear polymers having an amide end or having a star architecture comprising an amide core, by means of a ring opening using lactide and glycolide monomers or a lactide monomer ring in the presence of a catalyst, wherein the method includes the steps of: (i) reacting the excess monomer(s) with an initiator in a solvent, said initiator being selected from among an amine and an amino alcohol, given that the initiator has at least one primary or secondary amine function; (ii) adding a catalyst, said catalyst being a non-nucleophilic base and including at least one neutral sp2 nitrogen atom; and (iii) neutralizing the reaction mixture. Said novel method is particularly advantageous in that it can be easily monitored and enables better modulation of the polymers, and thus of the properties thereof, than the methods of the prior art. The invention also relates to novel polymers that are obtainable by means of said method.Type: ApplicationFiled: November 14, 2011Publication date: November 28, 2013Applicant: IPSEN PHARMA S.A.S.Inventors: Didier Bourissou, Blanca Martin-Vaca, Aurélie Alba, Roland Cherif-Cheikh, Anne-Paula De Sousa Delgado
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Publication number: 20130317104Abstract: The invention relates to the use of one or more oligomers of lactic acid or a lactic acid oligomeric product for the prophylaxis and/or treatment of a disease or condition that benefits from an acidic environment, especially a gynaecological infection including a bacterial infection such as bacterial vaginosis, unspecific colpitis, senile colpitis, cervicitis, and urethritis, a fungal infection, such as candidosis (Candida albicans), cryptococcosis, actinomycosis, or a viral infection, such as Human Immunodefiency Virus (HIV), Herpes Simplex Virus (HSV), Human Papilloma Virus (HPV).Type: ApplicationFiled: March 28, 2013Publication date: November 28, 2013Inventors: Greg Batcheller, Thomas Hedner, Joergen Johnsson, Werner Schubert, Christer Sjoegren, Olov Sterner, Malgorzat Sznitowska
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Publication number: 20130310598Abstract: Disclosed is a process for producing glycolate ester oligomers. The process comprises reacting ethylene glycol and glycolic acid to produce a stream of glycolate ester oligomers and glycolic acid oligomers while simultaneously removing water. The stream of glycolate ester oligomers and glycolic acid oligomers has a low concentration of water and glycolic acid-ends, and thus is useful in a subsequent hydrogenation reaction to produce ethylene glycol.Type: ApplicationFiled: May 16, 2012Publication date: November 21, 2013Applicant: EASTMAN CHEMICAL COMPANYInventors: Daniel Latham Terrill, Kelley Margaret Moran, Stephen Neal Falling
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Publication number: 20130274389Abstract: Improved processes are described for making trialkyl esters and acylated trialkyl esters of carboxylic acids, as well as epoxidized trialkyl esters and acylated trialkyl carboxylate esters, such as are used in developing plasticized PVC compositions. In particular, processes are described for conducting the esterification and acylation steps involved in making the acylated trialkyl esters in a single vessel without an intermediate purification step, by means of a Lewis acid metal triflate catalyst.Type: ApplicationFiled: July 21, 2011Publication date: October 17, 2013Applicant: ARCHER DANIELS MIDLAND COMPANYInventor: Stephen Howard
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Publication number: 20130245289Abstract: A process for producing a perfluorinated functional compound comprises the steps of: A) converting an at least partially hydrogenated alcohol into an at least partially hydrogenated ester compound; and B) reacting said at least partially hydrogenated ester compound with fluorine in the presence of at least one (per)haloolefin comprising at least one carbon-carbon double bond and having at least one fluorine or chlorine atom on either one of the carbon atoms of said double bond, to obtain a perfluorinated ester compound.Type: ApplicationFiled: November 17, 2011Publication date: September 19, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Vito Tortelli, Marco Galimberti
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Patent number: 8518295Abstract: A polyol ester suitable for use as a lubricant or a lubricant base stock has a kinematic viscosity at 40° C. greater than or equal to 200 cSt and a viscosity index of greater than or equal to 100. The ester comprises the reaction product of (a) a polyhydric alcohol component comprising at least 50 mole % of penterythritol, and (b) a carboxylic acid component comprising: (i) at least one linear or branched monocarboxylic acid having 2 to 7 carbon atoms; (ii) at least one branched monocarboxylic acid having 8 to 15 carbon atoms; and (iii) at least one polycarboxylic acid having 2 to 8 carbon atoms; wherein the ratio of the number of acid groups derived from the monocarboxylic acid(s) (i) to the number of acid groups derived from the monocarboxylic acid(s) (ii) is between about 0.9 and about 1.1 and the number of acid groups derived from the polycarboxylic acid(s) (iii) is between about 15% and about 25% of the total number of acid groups derived from the carboxylic acids (i), (ii) and (iii).Type: GrantFiled: September 16, 2010Date of Patent: August 27, 2013Assignee: Chemtura CorporationInventors: Dale Carr, Jeffrey Hutter, Edward T. Hessell, Richard Kelley, Roberto Urrego
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Publication number: 20130209938Abstract: A resist composition according to the present invention includes at least a base resin, a photoacid generator and a solvent, wherein the photoacid generator comprises a fluorine-containing sulfonic acid salt of the following general formula (4). In the formula, X independently represents a hydrogen atom or a fluorine atom; n represents an integer of 1 to 6; R1 represents a hydrogen atom, or an alkyl, alkenyl, oxoalkyl, aryl or aralkyl group; any of hydrogen atoms on carbons in R1 may be substituted with a substituent; R2 represents RAO or RBRCN; and A represents a divalent group. This fluorine-containing sulfonic acid salt can serve as a photoacid generator having high solubility in a resist solvent and thus can suitably be used for a resist composition such that the resist composition shows high resolution, wide DOF, small LER and high sensitivity to form a good pattern shape in lithographic processes.Type: ApplicationFiled: October 14, 2011Publication date: August 15, 2013Applicant: Central Glass Company, Ltd.Inventors: Ryozo Takihana, Satoru Narizuka
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Publication number: 20130131310Abstract: The present invention relates to methods for synthesizing compounds of formula I or pharmaceutically acceptable salts thereof: (I) wherein each of X, Alk, and W are as defined and described herein.Type: ApplicationFiled: July 22, 2011Publication date: May 23, 2013Inventors: John Kane, Thomas M. Lancaster, Todd C. Zion
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Patent number: 8436201Abstract: The present invention relates to dephenolic compounds, an example of which is shown below, which are functionalized, and polymers formed from the same. Polymers formed from the functionalized diphenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.Type: GrantFiled: September 5, 2012Date of Patent: May 7, 2013Assignee: Bezwada Biomedical, LLCInventor: Rao S Bezwada
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Patent number: 8431638Abstract: The present invention relates to mixtures of citric esters of the formula I, in which each of R1, R2 and R3 is an aliphatic C5 or C9 moiety, wherein the average chain length of the aliphatic moieties in the mixture is in the range from greater than 5 to 7, and the average degree of branching of the aliphatic C9 moieties is in the range from 0.9 to 2.2. The present invention also relates to the use of the citric ester mixture as a plasticizer in plastics compositions.Type: GrantFiled: May 5, 2009Date of Patent: April 30, 2013Assignee: Evonik Oxeno GmbHInventors: Michael Grass, Stefan Buchholz, Wilfried Bueschken
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Patent number: 8410306Abstract: The present invention relates to a novel process for preparing alkyl polycarboxylates from an aqueous solution of an ammonium salt of the polycarboxylic acid by reactive distillation, and to a process for hydrogenating the alkyl carboxylates prepared in this way.Type: GrantFiled: April 4, 2007Date of Patent: April 2, 2013Assignee: BASF SEInventors: Christophe Bauduin, Wolfgang Fischer, Rolf Pinkos, Edzard Scholten
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Publication number: 20130072428Abstract: The present invention discloses the signaling pathway involved erythroid repression by iron deficiency. Further disclosed is anon-toxic small-molecule compound which potently reverses the erythroid repression caused by iron deficiency. The present invention further encompasses novel compounds for inhibition of red cell production, useful, for example, in the treatment of polycythemia vera, a malignancy causing uncontrolled red cell production. These inhibitory compounds also promote megakaryocytic lineage commitment and may therefore be useful for augmentation of platelet production. The present invention further discloses isocitrate reversal of iron deprivation.Type: ApplicationFiled: November 19, 2012Publication date: March 21, 2013Applicant: UNIVERSITY OF VIRGINIA PATENT FOUNDATIONInventors: Adam N. Goldfarb, Loretta L. Delehanty
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Publication number: 20130023692Abstract: A polyesterification method comprises steps of mixing, by combining N,N-dialkylformamide dialkyl acetal with a tin catalyst, so as to transfer an alkoxy group from the N,N-dialkylformamide dialkyl acetal to the tin catalyst to obtain a Sn coordination complex; and polymerization, by conducting a ring-opening polymerization of a ester under the catalysis of the Sn coordination complex, and finally to obtain a polyester compound; wherein, the chemical formula of the N,N-dialkylformamide dialkyl acetal is (RO)2CHNR2, with the R being an alkyl group.Type: ApplicationFiled: July 22, 2011Publication date: January 24, 2013Inventors: Hsuan-Ying CHEN, Hsin-Jou Fang
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Publication number: 20120289636Abstract: A method for preparation of secondary alcohols with a high proportion of hydroxyl group at the C2 position is disclosed. Alkyl carboxylates, high in alpha-methylcarboxylate content, are produced via reaction of an alpha-olefin and a carboxylic acid in the presence of a cerium catalyst. The resultant alkyl carboxylate is hydrolyzed to yield a secondary alcohol with a high 2-hydroxyl content. The secondary alcohol may be used to prepare esters, especially phthalate esters or cyclohexanoate diesters, which are useful as plasticizers. These esters are more effective as plasticizers than esters derived from other secondary alcohols due to their high C2 point of attachment.Type: ApplicationFiled: November 16, 2010Publication date: November 15, 2012Inventors: Karla S. Colle, Allen D. Godwin
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Patent number: 8309759Abstract: The present invention relates to a process for preparing ether carboxylates.Type: GrantFiled: February 17, 2011Date of Patent: November 13, 2012Assignee: BASF SEInventors: Robert Baumann, Markus Christian Biel, Andreas Deckers, Alfred Oftring, Frank Rittig, Wolfgang Staffel
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Publication number: 20120277462Abstract: A process including reacting at least one organic acid with at least one compound of the formula R—OH, in the presence of an optional catalyst, in a reaction mixture wherein the reaction mixture is substantially free of solvent, to form a reaction product, wherein the reaction product is an ester of citric acid or an ester of tartaric acid; optionally, heating the reaction mixture; and optionally, isolating the reaction product.Type: ApplicationFiled: April 27, 2011Publication date: November 1, 2012Applicant: Xerox CorporationInventors: Thomas Edward Enright, Pouneh Salehi, Kentaro Morimitsu
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Publication number: 20120271030Abstract: A catalyst composition comprises the reaction product of an alkoxide or condensed alkoxide of a metal M, selected from titanium, zirconium, hafnium, aluminium, or a lanthanide, an alcohol containing at least two hydroxyl groups, a 2-hydroxy carboxylic acid and a base, wherein the molar ratio of base to 2-hydroxy carboxylic acid is in the range 0.01-0.79:1. The composition is useful as a catalyst for esterification reactions, especially for the production of polyesters such as polyethylene terephthalate, polytrimethylene terephthalate and polybutylene terephthalate.Type: ApplicationFiled: July 9, 2012Publication date: October 25, 2012Applicant: DORF KETAL CHEMICALS (INDIA) PVT LTDInventors: Charles Mark LINDALL, Neville SLACK, Martin Graham PARTRIDGE
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Publication number: 20120258249Abstract: Certain ether-esters compounds and certain ether ester coalescents are provided. Also provided are an aqueous coating composition including an aqueous polymeric dispersion and from 0.1% to 40% by weight, based on the weight of the aqueous polymeric dispersion solids, of the glycol ether-ester coalescents and a method for forming a coating from the aqueous coating composition.Type: ApplicationFiled: March 30, 2012Publication date: October 11, 2012Inventors: Linda A. ADAMSON, Michael C. BECKER, Felipe A. DONATE, David M. FASANO, Sarah E. ITTNER, Rebecca J. WACHOWICZ, Thomas R. TEPE
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Publication number: 20120197037Abstract: The present invention relates to the discovery of new class of linear and multiarmed hydrolysable linkers and cross linkers for use in the synthesis of biodegradable polymers such as, polyesters, polyurethanes, polyamides, polyureas and degradable epoxy amine resin. The linear and multiarmed hydrolysable linkers of the present invention include symmetrical and/or unsymmetrical ether carboxylic acids, amines, amide diols, amine polyols and isocyanates.Type: ApplicationFiled: September 23, 2011Publication date: August 2, 2012Applicant: BEZWADA BIOMEDICAL, LLCInventor: Rao S. Bezwada
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Publication number: 20120195850Abstract: The invention provides method for sequestering or trapping L-lactate in or near a tumor cell comprising contacting an isolated polymer of D-lactic acid (PDLA) or an equivalent, derivative or analog thereof with the tumor cell so that the PDLA binds L-lactate in or near the cell and thereby sequestering or trapping L-lactate in or near the tumor cells.Type: ApplicationFiled: January 27, 2012Publication date: August 2, 2012Inventors: Joel S. Goldberg, Joe Brice Weinberg
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Publication number: 20120189860Abstract: Process of modifying polylactic acid and compositions formed therefrom are described herein. The process generally includes providing a first polylactic acid, wherein the first polylactic acid includes a carboxylic acid end group and unsaturating the first polylactic acid to form a second polylactic acid.Type: ApplicationFiled: January 24, 2011Publication date: July 26, 2012Applicant: Fina Technology, Inc.Inventors: Fengkui LI, John ASHBAUGH
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Publication number: 20120171581Abstract: Disclosed are a nonaqueous electrolytic solution of an electrolyte dissolved in a nonaqueous solvent, which contains a carboxylate represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; and an electrochemical element using it.Type: ApplicationFiled: September 14, 2010Publication date: July 5, 2012Applicant: UBE INDUSTRIES, LTD.Inventors: Koji Abe, Shoji Shikita, Kazuyuki Kawabe, Masahide Kondo, Tatsuo Fujino
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Publication number: 20120157708Abstract: A process for the manufacture of Sevoflurane CF3—CH(OCH2F)—CF3 which comprises (a) manufacturing a substituted malonic acid derivative of formula (I): R1OOC—CH(OCH2X)—COOR2 or of formula (II): R3HNOC—CH(OCH2X)—CONHR4, wherein X is OH or a leaving group which can be substituted by nucleophilic substitution and wherein R1, R2 R3, R4, equal to or different from each other, are independently selected from the group consisting of H, an alkyl group having from 1 to 10 carbon atoms which is optionally substituted by at least one halogen atom, an aralkyl group, and an aryl group; and (b) further reacting said malonic acid derivative as intermediate for the manufacture of Sevoflurane CF3—CH(OCH2F)—CF3.Type: ApplicationFiled: August 10, 2010Publication date: June 21, 2012Applicant: SOLVAY FLUOR GMBHInventor: Max Josef Braun
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Publication number: 20120157370Abstract: The invention relates to the use of radical traps in detergents and cleaners in order to improve cleaning performance, in particular for dirt containing polymerizable dyes.Type: ApplicationFiled: February 23, 2012Publication date: June 21, 2012Applicant: Henkel AG & Co. KGaAInventors: Christian Kropf, Andreas Buhl, André Hätzelt