Patents Examined by Bernard Dentz
  • Patent number: 8318502
    Abstract: Cell permeable metal ion indicator compounds and methods of their use and synthesis are described. The compound comprises a metal chelating moiety (Mc), a reporter molecule and two or more lipophilic groups (GL) covalently bonded through a linker to the reporter molecule, wherein the lipophilic groups, when present in a live cell, are cleaved resulting in two or more negatively charged groups.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: November 27, 2012
    Assignee: Life Technologies Corporation
    Inventors: Kyle Gee, Vladimir Martin
  • Patent number: 8318958
    Abstract: Disclosed is a method for epoxidizing olefins, which enables an epoxy compound containing no halogen atom with high yield. Specifically disclosed is an oxidizing agent composition for epoxidation of olefins, which is characterized by containing peroxide which exhibits basicity when dissolved in water and an acid anhydride.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: November 27, 2012
    Assignee: Adeka Corporation
    Inventors: Takaaki Kikuchi, Takehiro Zushi, Hirohisa Nitoh
  • Patent number: 8309319
    Abstract: A fluorescent probe for measurement of UDP-glucuronosyltransferase, which comprises a fluorescein derivative, wherein in the fluorescein derivative, the 2-carboxy group on the benzene ring of fluorescein is replaced with another monovalent substituent, provided that said substituent is a substituent other than sulfo group, and the substituent does not have carboxy group or sulfo group, and wherein the fluorescein derivative may have an arbitrary substituent at a position on the benzene ring other than the 2-position, and the fluorescein derivative may have a substituent selected from the group consisting of an alkoxy group and a halogen atom at the 2-position and/or the 7-position of fluorescein.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: November 13, 2012
    Assignee: The University of Tokyo
    Inventors: Tetsuo Nagano, Yasuteru Urano, Rie Tomiyasu
  • Patent number: 8309745
    Abstract: An object of the present invention is to provide a lipase activity inhibitor that shows high inhibitory activity against pancreatic lipase to suppress the absorption of meal-derived fat and/or which contributes to suppressing and preventing obesity, as well as a food or beverage that has such lipase activity inhibitor incorporated therein. Another object of the invention is to provide a lipase inhibitor of tea origin that suits most consumers' taste and which will not impair the flavor of the food or beverage when incorporated therein. Still another object of the invention is to provide a process for producing said lipase inhibitors. Further object of the invention is to provide antioxidants. To attain these objects, epigallocatechin dimers (oolong homobisflavans) or trimers are incorporated in foods or beverages. As a result, the absorption of meal-derived fat can be suppressed and, in addition, antioxidation effect is obtained.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: November 13, 2012
    Assignee: Suntory Holdings Limited
    Inventors: Masaaki Nakai, Yuko Fukui, Sumio Asami
  • Patent number: 8304562
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: November 6, 2012
    Assignees: Sucampo AG, R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Tatsuya Matsukawa, Kazuhiro Masuzaki, Ryuji Ueno
  • Patent number: 8298500
    Abstract: A process and apparatus are disclosed for the purification of epichlorohydrin. The process includes distilling and/or fractionating a feed stream containing epichlorohydrin, dichlorohydrin(s), and one or more other substances, subjecting at least a portion of the liquid phase effluent to a dichlorohydrin dehydrochlorination process for converting residual dichlorohydrin(s) in the liquid phase effluent to epichlorohydrin, and recovering purified epichlorohydrin from the vapor phase effluent in which the distillation/fractionation pressure and/or temperature of step (1) is adjusted to retain at least 5 weight-percent epichlorohydrin in the liquid phase effluent. The apparatus for making purified epichlorohydrin includes a dehydrochlorination apparatus, a first liquid-vapor contacting apparatus, and a second liquid-vapor contacting apparatus connected to the dehydrochlorination apparatus for recycling a distillate to the dehydrochlorination apparatus.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: October 30, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Christian D. Kneupper, Perry S. Basile, William W. Fan, Sascha Noormann
  • Patent number: 8299273
    Abstract: To provide a process for producing BPDA whereby high productivity is attained while high purity is maintained. A process for producing biphenyltetracarboxylic acid dianhydride, which comprises heating biphenyltetracarboxylic acid to produce biphenyltetracarboxylic acid dianhydride, characterized in that the heating is carried out at a pressure of from 1×102 Pa to 1.1×105 Pa to a maximum temperature in a range of from 210° C. to 250° C. in such a manner that the temperature rising rate is higher than 50° C./hr for a period of at least ¼ of the time for the temperature rise from 60° C. to 210° C., and the temperature is maintained to be from 150° C. to 250° C. for from 0.5 to 10 hours.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: October 30, 2012
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hiroshi Mikami, Makoto Nitta, Naoki Noguchi
  • Patent number: 8283478
    Abstract: The present invention is directed to novel process for the preparation of sulfonylimine and sulfamide derivatives.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: October 9, 2012
    Assignee: Janssen Pharmaceutica NV
    Inventors: Ahmed F. Abdel-Magid, Steven J. Mehrman
  • Patent number: 8273903
    Abstract: The disclosure provides a method for preparing the citraconic anhydride and a method for isomerizing/dehydrating itaconic acid. The method for preparing the citraconic anhydride includes the following steps: providing itaconic acid as a starting material; and subjecting the itaconic acid to an isomerization/dehydration reaction in the presence of a catalyst to obtain the citraconic anhydride, wherein the catalyst includes a heteropolyacid or heteropolyacid salt.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: September 25, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Hsi-Yen Hsu, Yu-Shan Chao
  • Patent number: 8273906
    Abstract: It is intended to provide a method for producing aglycone from a glycoside efficiently at low cost without using an acid catalyst or an organic solvent. The method for producing aglycone, characterized by bringing a glycoside into contact with high temperature high pressure water. The temperature of the high temperature high pressure water is generally from 100 to 374° C., preferably from 140 to 320° C., more preferably from 200 to 300° C. The pressure of the high temperature high pressure water may be not lower than the saturated water vapor pressure at the temperature, i.e., a pressure at which the liquid state is maintained.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: September 25, 2012
    Assignee: J-Oil Mills, Inc.
    Inventors: Yosuke Isobe, Shuichi Kamo, Toshiro Sato, Hiroyuki Yoshida
  • Patent number: 8268996
    Abstract: The invention provides compounds, pharmaceutical compositions comprising such compounds and methods of using such compounds to treat or prevent diseases or disorders associated with the activity of Cathepsin S.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: September 18, 2012
    Assignee: IRM LLC
    Inventors: Hong Liu, David C. Tully, Arnab Chatterjee, Phillip B. Alper, David H. Woodmansee, Daniel Mutnick
  • Patent number: 8263369
    Abstract: A compound having a structure expressed by the following Structural Formula (1):
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: September 11, 2012
    Assignee: Microbial Chemistry Research Foundation
    Inventors: Hiroyuki Inoue, Manabu Kawada, Daishiro Ikeda
  • Patent number: 8258323
    Abstract: The present invention relates to a process for preparing nebivolol and, more particularly, to a process for preparing d-nebivolol and its enantiomer l-nebivolol or acid addition salts thereof starting from commercially available or easily obtainable 2,2-dimethyl-1,3 dioxolane-4-carbaldehyde and a vinyl Grignard reagent.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: September 4, 2012
    Assignee: Zach System S.p.A.
    Inventors: Raffaella Volpicelli, Paolo Maragni, Livius Cotarca, Johnny Foletto, Franco Massaccesi
  • Patent number: 8258338
    Abstract: A process for the preparation of N-monosubstituted ?-aminoalcohol sulfonates of formula (Ia), (Ib): wherein R1 is C6-20-aryl or C4-12-heteroaryl, each optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, R2 is C1-4-alkyl or C6-20-aryl, each aryl optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups and wherein R3 is selected from the group consisting of C1-18-alkyl, C6-20-cycloalkyl, C6-20-aryl and C7-20-aralkyl residues. The process has the steps of (a) reacting a methyl ketone, a primary amine, formaldehyde and a sulfonic acid, at a pressure above 1.5 bar, optionally in a organic solvent, the organic solvent optionally containing water, to afford N-monosubstituted ?-aminoketone sulfonates of formula (II): wherein R1, R2 and R3 are as defined above, and (b) asymmetrically hydrogenating.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: September 4, 2012
    Assignee: Lonza AG
    Inventors: Walter Brieden, Martin Clausen, John McGarrity, Hanspeter Mettler, Colette Mettler, legal representative, Dominique Michel
  • Patent number: 8258322
    Abstract: An improved process is provided for the synthesis of hexahydrodibenzo[b,d]pyran-9-ones, such as nabilone.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: September 4, 2012
    Assignee: Watson Laboratories, Inc.
    Inventors: Valeriy Mikaylo, Subakar Paramanantham, Ilya Avrutov, Martyn A. Brown, Zemin Li, Natalie Lazarowych
  • Patent number: 8257558
    Abstract: Embodiments of the present disclosure provide processes, columns, and systems for removing acetaldehyde from alkylene oxide in a feed stream and for providing an alkylene oxide-water stream that can be directly transferred to a glycol reaction process. The alkylene oxide purification column includes a first section to convert a feed stream into a gas phase portion and a liquid phase portion and a second section located in the column above the first section to separate alkylene oxide from the acetaldehyde, water, and other impurities that enter the second section from the first section.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: September 4, 2012
    Assignee: Dow Technology Investments LLC
    Inventors: John F. Szul, James H. Mccain, Floyd L. Pfeffer, Harvey E. Andresen, Phillip R. Fairchild, Kent E. Newman
  • Patent number: 8242302
    Abstract: It is intended to provide a drug which is efficacious in treating and preventing diseases wherein ischemia or an inflammatory substance associated with ischemia participates in the onset or worsening thereof. Because of containing as the active ingredient a substance selected from among farnesol, a farnesol derivative, a tocopherol derivative, a tocotrienol derivative, pharmacologically acceptable salts thereof and solvates thereof, the above-described inhibitor of ischemic disorders can exert therapeutic and preventive effects on diseases wherein ischemia or an inflammatory substance associated with ischemia participates in the onset or worsening thereof (for example, brain infarction, brain edema, cardiac infarction, etc.) not only by the administration in the acute ischemic stage but also by the therapeutic administration in subacute and/or chronic stages after ischemia-reperfusion. It is also intended to provide a farnesol carboxylic acid ester derivative and a method of producing the same.
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: August 14, 2012
    Assignee: Fukuoka University
    Inventors: Jiro Takata, Kenichi Mishima, Manabu Nakashima, Katsunori Iwasaki, Kazuhisa Matsunaga, Yoshiharu Karube, Michihiro Fujiwara
  • Patent number: 8242290
    Abstract: Disclosed is a process for the preparation of a tetrahydropyran-di-amine represented by Structural Formula (I): wherein R1 is H or alkyl and E is H or an amine protecting group.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: August 14, 2012
    Assignee: Vitae Pharmaceuticals, Inc.
    Inventors: Paul G. Spoors, Lara S. Kallander, David A. Claremon
  • Patent number: 8236969
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: August 7, 2012
    Assignees: Sucampo AG, R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Tatsuya Matsukawa, Kazuhiro Masuzaki, Ryuji Ueno
  • Patent number: 8236973
    Abstract: Presently disclosed are methods and apparatus for separation of reaction products from reaction mixtures in an ionic liquid catalysis process, particularly in conversion of biomass, cellulose, and sugars into chemical intermediates such as 5-hydroxymethylfurfural (HMF). In one embodiment an ion exclusion adsorption mechanism is used for the separation process. The process comprises (i) mixing the ionic liquid-containing reaction mixture with de-ionized water, (ii) flowing the water solution mixture into an adsorption column, (iii) eluting the column with a water- and/or alcohol-based fluid, and (iv) collecting separated fractions at different elution times.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: August 7, 2012
    Assignee: Battelle Memorial Institute
    Inventors: Wei Liu, John E. Holladay, Feng Zheng, Heather M. Brown, Alan R. Cooper