Patents Examined by Fereydoun G. Sajjadi
-
Patent number: 9533927Abstract: A process for producing polyols from a low viscosity slurry comprising a thermally treated ligno-cellulosic biomass which has been subjected to a fiber shives reduction step is provided. Specifically, a continuous process for catalyzing the formation of polyol products, such as ethylene glycol and propylene glycol, from the low viscosity slurry is provided.Type: GrantFiled: October 31, 2014Date of Patent: January 3, 2017Assignee: Biochemtex S.p.A.Inventors: Piero Ottonello, Paolo Torre, Dario Giordano, Stefano Paravisi, Chiara Prefumo, Pietro Pastorino
-
Patent number: 9530571Abstract: A novel compound represented by general formula (1), a support supporting this novel compound, and a photoelectric transduction element using this support. (In the formula, Y is an optionally substituted hydrocarbon group having 1-20 carbon atoms having —CO—NR4- or —SO2—NR4- in the group; Z is a group of a conjugated system; R1, R2, and R3 represent optionally substituted hydrocarbon groups or optionally substituted hydrocarbon-oxy groups; at least one of R1, R2, and R3 is an optionally substituted hydrocarbon-oxy group; R4 represents a hydrogen atom or an optionally substituted hydrocarbon group having 1-20 carbon atoms; R4 and Z may join together to form a ring. However, Y excludes groups represented by partial structural formulas (Y-11) and (Y-12).Type: GrantFiled: August 21, 2012Date of Patent: December 27, 2016Assignee: ADEKA CORPORATIONInventors: Yohei Aoyama, Kazuyuki Noda, Hiroyuki Osada
-
Patent number: 9522875Abstract: Disclosed is a method for treating or using offgases obtained in a melamine plant comprising at least one melamine synthesis reactor and at least one washing unit in an integrated process for urea and melamine production, wherein the offgases leaving the melamine synthesis reactor are fed into the washing section and the washed offgases leaving the washing section are transferred from the washing section via at least one pipeline connecting the washing section and the at least one urea synthesis plant to the at least one urea synthesis plant. The washed offgases leaving the washing section are mixed with at least one carbamate solution immediately downstream of the washing section by feeding the carbamate solution into the pipeline connecting the washing section to the urea plant.Type: GrantFiled: March 22, 2012Date of Patent: December 20, 2016Assignee: Casale SAInventors: Arne Schadt, Christoph Neumeuller
-
Patent number: 9522867Abstract: The present invention provides a method for producing (meth)acrylic acid, which achieves enhanced productivity or a reduced amount of a catalyst in production of (meth)acrylic acid from 3-hydroxycarboxylic acid, and enables stable production of (meth)acrylic acid at low cost. The method is a method for producing (meth)acrylic acid using 3-hydroxycarboxylic acid as a starting material, the method including a polymerization step of polymerizing 3-hydroxycarboxylic acid to generate a composition containing a 3-hydroxycarboxylic acid polymer, and a step of generating (meth)acrylic acid from the composition containing the 3-hydroxycarboxylic acid polymer, the 3-hydroxycarboxylic acid polymer obtained in the polymerization step including trimer or higher order units, the trimer or higher order units constituting 3% by mass or more of a total of 100% by mass of the 3-hydroxycarboxylic acid and the 3-hydroxycarboxylic acid polymer.Type: GrantFiled: June 21, 2013Date of Patent: December 20, 2016Assignee: Nippon Shokubai Co., Ltd.Inventors: Hiroshi Yoshida, Hisashi Kamei, Naomichi Haginiwa
-
Patent number: 9492816Abstract: A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprises dehydrofluorinating a pentafluoroalkane in a gas phase in the presence of a catalyst comprising chromium oxyfluoride. In a preferred embodiment, 2,3,3,3-tetrafluoropropene (HFO-1234yf) is produced by forming a catalyst comprising chromium oxyfluoride by calcining CrF3?xH2O, where x is 1-10, in the presence of a flowing gas comprising nitrogen to form a calcined chromium oxyfluoride, and dehydrofluorinating 1,1,1,2,2-pentafluoropropane (HFC-245cb) in a gas phase in the presence of the catalyst to form the 2,3,3,3-tetrafluoropropene (HFO-1234yf).Type: GrantFiled: May 3, 2011Date of Patent: November 15, 2016Assignee: Arkema Inc.Inventors: Maher Y. Elsheikh, Philippe Bonnet, Olga C. N. Keeley, Benjamin Bin Chen
-
Patent number: 9487710Abstract: A process for producing at least one product from at least one gaseous reactant includes feeding the gaseous reactant, as a gaseous feed or as part of a gaseous feed which is at an inlet superficial gas velocity of at least 0.5 m/s, into a vessel holding an expanded slurry bed of solid catalyst particles suspended in a suspension liquid so that the gaseous reactant can bubble upwardly through the slurry bed. The slurry bed has a catalyst loading of at least 20% by volume of degassed slurry. The gaseous reactant is allowed to react catalytically at a pressure above atmospheric pressure as the gaseous reactant bubbles upwardly through the slurry bed to produce at least one product. The product and any unreacted gaseous reactant are withdrawn from the vessel.Type: GrantFiled: May 30, 2012Date of Patent: November 8, 2016Assignee: SASOL TECHNOLOGY (PROPRIETARY) LIMITEDInventor: Berthold Berend Breman
-
Patent number: 9481738Abstract: Provided is a method for producing cellulose ether whose aqueous solution is transparent and contains a smaller amount of water-insoluble portion. The method comprises at least the steps of: providing at least two alkali cellulose materials having different compositions, each of the materials having been prepared by bringing a pulp into contact with a solution of alkali metal hydroxide and draining; and mixing the at least two alkali cellulose materials having different compositions, wherein each weight ratio of the alkali metal hydroxide in each of the alkali cellulose materials having different compositions to a solid component in the pulp (alkali metal hydroxide/solid component in pulp) is equal to 0.4 to 2.5 times of a weight ratio of alkali metal hydroxide in the alkali cellulose obtained in the step of mixing to solid components in a sum of pulps used for preparation of the alkali cellulose materials.Type: GrantFiled: February 16, 2012Date of Patent: November 1, 2016Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Mitsuo Narita
-
Patent number: 9481643Abstract: The present invention relates to novel compounds containing fluorinated end groups, to the use thereof as surface-active substances, and to compositions comprising these compounds.Type: GrantFiled: July 16, 2013Date of Patent: November 1, 2016Assignee: MERCK PATENT GMBHInventors: Reiner Friedrich, Gerhard Jonschker, Fanny Schooren, Christian Depner, Steffen Schellenberger
-
Patent number: 9452959Abstract: The invention provides compositions and methods of using the compositions in fluorinating aryl precursors containing a leaving group replaceable by fluoride ion. The compositions include a metal ion source, a fluoride ion source, and a compound, which is an aryl precursor of the aryl fluoride, and which has a leaving group replaceable by the fluoride. Exemplary methods of the invention make use of such compositions and methods to prepare an aryl fluoride compound. In an exemplary embodiment, the fluoride ion source is a source of 18F.Type: GrantFiled: June 12, 2013Date of Patent: September 27, 2016Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: John Hartwig, Patrick Fier
-
Patent number: 9447196Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.Type: GrantFiled: June 26, 2013Date of Patent: September 20, 2016Assignee: Covidien LPInventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
-
Patent number: 9447197Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one neutralizing agent to form a plurality of modified cellulose particles.Type: GrantFiled: June 26, 2013Date of Patent: September 20, 2016Assignee: Covidien LPInventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
-
Patent number: 9434664Abstract: Disclosed is a method for producing edge-functionalized graphite or graphene with fluoro groups. According to the method, graphite is pulverized into smaller pieces and is then allowed to react with a surrounding material containing fluorine or a fluorocarbon compound. The method enables the production of graphite or graphene functionalized with fluoro groups, which could not be achieved by conventional mechanochemical methods. In addition, the method is carried out in a very simple and economical manner and is suitable for large-scale production.Type: GrantFiled: January 26, 2015Date of Patent: September 6, 2016Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Jong-Beom Baek, In-Yup Jeon
-
Patent number: 9428430Abstract: To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.Type: GrantFiled: October 27, 2014Date of Patent: August 30, 2016Assignee: Asahi Glass Company, LimitedInventors: Masato Fukushima, Masaaki Tsuzaki, Maki Shigematsu
-
Patent number: 9428429Abstract: The present invention provides a method for producing a fluorine-containing alkane, which comprises reacting at least one fluorine-containing compound selected from the group consisting of chlorine-containing fluoroalkanes and fluorine-containing alkenes with hydrogen gas in the presence of catalysts, wherein two or more catalysts having different catalytic activities are used, and the fluorine-containing compound and hydrogen gas, which are starting materials, are sequentially brought into contact with the catalysts in the order of the catalyst having a lower catalytic activity followed by the catalyst having a higher catalytic activity. According to the present invention, in the method for producing a fluorine-containing alkane by using chlorine-containing fluoroalkane or fluorine-containing alkene as a starting material, and subjection it to a reduction reaction or a hydrogen addition reaction, the objective fluorine-containing alkane can be produced with high productivity.Type: GrantFiled: February 18, 2011Date of Patent: August 30, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuko Shiotani, Kakeru Hanabusa, Takehiro Chaki, Kazuhiro Takahashi
-
Patent number: 9416073Abstract: In the halogenation reaction of olefin/halo-olefin (i.e., organic), an excess amount of halogen gas (fluorine, chlorine, vaporized bromine and iodine, or their combination) is normally used in order to achieve as complete as possible conversion of the organic. In a conventional process, the excess halogen gas in the off-gas stream is scrubbed by caustic solution which increases the consumption of halogen and generates waste for disposal. The present invention provides a novel process to recover and reuse the excess halogen gas and thus reduce the operating cost of the process.Type: GrantFiled: October 2, 2015Date of Patent: August 16, 2016Assignee: Honeywell International Inc.Inventors: Terris Yang, Hsueh Sung Tung
-
Patent number: 9416075Abstract: The present invention is a method for 2-fluorobutane to obtain highly purified 2-fluorobutane through a process comprising a step for: bringing crude 2-fluorobutane that includes 5 to 50 wt % of butene into contact with a brominating agent that can form a bromonium ion in an aprotic polar solvent in the presence of water or an alcohol having up to 4 carbon atoms; converting the butene into compounds having a boiling point higher than that of 2-fluorobutane, then recovering 2-fluorbutane from the reaction solution; and purifying the recovered 2-fluorabutane by distillation.Type: GrantFiled: July 16, 2014Date of Patent: August 16, 2016Assignee: ZEON CORPORATIONInventor: Tatsuya Sugimoto
-
Patent number: 9402412Abstract: The present invention generally relates to the field of nutrition. In particular the present invention relates to infant nutrition in the post natal period and in early life, more particular during the age period of 6-36 months or during a part thereof. One embodiment of the present invention is a kit of diet compositions for children during the age period of 6-36 months or during a part thereof, wherein the macronutrient content of the compositions is gradually changing in the form of a straight line from a composition that comprises about 40-50% energy from fat and about 40-49% energy from carbohydrates for children at the age of 6 months to a composition that comprises about 30-35% energy from fat and about 50-55% energy from carbohydrates for children at the age of 36 months, and its use to prevent obesity later in life.Type: GrantFiled: May 30, 2007Date of Patent: August 2, 2016Assignee: Nestec S.A.Inventors: Yasaman Shahkhalili, Kevin Acheson, Katherine Mace, Julie Moulin, Irene Zbinden, Olivier Aprikian, Theresa Voss
-
Patent number: 9403755Abstract: The invention relates to a purified Isometheptene compound comprising the structure according to Formula (I), or a hydrochloride, or a pharmaceutically acceptable addition salt thereof. In particular, the disclosure relates to the synthesis, purification and characterization of an Isometheptene isomer mucate crystal 2, wherein the Isometheptene isomer 2 is stereochemically characterized as (R)-enantiomer, respectively. The Isometheptene (R)-enantiomer activity indicates a selective centrally acting selective ligand for Imidazoline subtype 1 (I1) receptor sites; and more specifically, the disclosure provides an antihypertensive composition for treatment of migraine and other neurovascular or neurogenic pain from abdominal distress. (R)-Isometheptene enantiomer or isomer 2 may be an anti-hypertensive agent with lower side effects than the racemate form. Therefore (R)-Isometheptene is believed to be effective against episodic tension-type headaches (ETTH).Type: GrantFiled: January 17, 2014Date of Patent: August 2, 2016Assignee: TONIX PHARMA HOLDINGS LIMITED (BERMUDA)Inventors: Seth Lederman, Bruce Daugherty, Leland J. Gershell, Darryl Rideout, Andrew Kawasaki
-
Patent number: 9399739Abstract: A process for producing distillate fuels, such as a diesel fuel, from a syngas feedstream having a relatively low H2/CO ratio of greater than 1 and equal to or less than 2.0. The syngas feedstream is preferably passed to a CO2 removal zone, then to at least one Fischer-Tropsch zone, wherein the resulting Fischer-Tropsch product stream is passed to a separation zone to obtain a hydrocarbon-containing fraction that is hydroconverted to result in a distillate boiling range stream.Type: GrantFiled: June 13, 2014Date of Patent: July 26, 2016Assignee: SYNGAG TECHNOLOGY LLCInventors: Duane A Goetsch, Christian T Goralski, Jr., Jacqueline R Hitchingham
-
Patent number: 9388102Abstract: In a process for producing phenol, cyclohexylbenzene is contacted with an oxygen-containing compound in the presence of an oxidation catalyst comprising a cyclic imide under oxidation conditions effective to produce a product comprising cyclohexylbenzene hydroperoxide and unreacted cyclic imide catalyst. Without removing all the unreacted cyclic imide catalyst, at least a portion of the product is contacted with an acidic molecular sieve under conditions effective to adsorb at least a portion of the unreacted cyclic imide and to convert at least part of the cyclohexylbenzene hydroperoxide in the product portion into phenol and cyclohexanone.Type: GrantFiled: December 15, 2011Date of Patent: July 12, 2016Assignee: ExxonMobil Chemical Patents Inc.Inventors: Kun Wang, Roberto Garcia, Jihad M. Dakka, Edmund J. Mozeleski