Patents Examined by Chukwuma Nwaonicha
  • Patent number: 7265237
    Abstract: Certain chiral monophosphites and their monothio derivatives are suitable as ligands in the asymmetrical transition-metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral olefins, ketones and imines.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: September 4, 2007
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Manfred T. Reetz, Gerlinde Mehler, Andreas Meiswinkel
  • Patent number: 7265235
    Abstract: Silanes containing halogen which is bound to silicon are prepared using microwave energy. Silicon is reacted with mixtures of elements or compounds selected from the group consisting of halogen or halogen and organohalogen compounds or halogen and hydrogen or halogen and halogen hydrogen or organohalogen compounds or organohalogen compounds and hydrogen or organohalogen compounds and halogen hydrogen or halogen hydrogen or fluorosilanes and hydrogen, or fluorosilanes and halogen hydrogen or hydrogen containing chlorosilanes and hydrogen or hydrogen containing chlorosilanes and halogen hydrogen or organohalogensilanes and hydrogen or organohalogensilanes and halogen hydrogen or hydro-carbons and halogen hydro-carbons.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: September 4, 2007
    Assignee: Wacker Chemie AG
    Inventor: Norbert Auner
  • Patent number: 7261868
    Abstract: Fluorine compounds such as C2F6, CF4, CHF3, SF6 and NF3, are made to contact with a fluorine compound decomposition catalyst and a catalyst for the decomposition of at least one of CO, SO2F2 and N2O in the presence of water or in the presence of water and oxygen. The catalyst for the decomposition of at least one of CO, SO2F2 and N2O preferably contains at least one selected from Pd, Pt, Cu, Mn, Fe, Co, Rh, Ir and Au in the form of a metal or an oxide. According to the invention, the fluorine compound can be converted to HF, which can be absorbed by water or an alkaline aqueous solution. Furthermore, a substance such as CO, SO2F2 and N2O which is formed by decomposition of the fluorine compound can also be decomposed.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: August 28, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Shuichi Kanno, Akio Honji, Hisao Yamashita, Shigeru Azuhata, Shin Tamata, Kazuyoshi Irie
  • Patent number: 7258898
    Abstract: The present invention generally relates to an improved process for the hydrothermal conversion of coral into hydroxyapatite, a process for coating an object with hydroxyapatite, a process for coating an object with a divalent metal phosphate and uses of objects prepared by these processes. Following the processes according to the present invention, the resultant hydroxyapatite has greater strength and bioactivity than that of the coral prior to its conversion.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: August 21, 2007
    Assignee: Nanocoatings Pty, Ltd.
    Inventors: Besim Ben-Nissan, Adriyan S. Milev, Douglas Drysdal Green, Ji Hu, Robert M. Conway, G. S. Kamall Kannangara, Jennifer Russell, Edit Gillott, Clifford Trefry
  • Patent number: 7256315
    Abstract: Process for the Production of 3-methylthiopropanal. A process for the production of 3-methylthiopropanal which reacting reaction medium comprising methyl mercaptan and acrolein in the presence of a catalyst comprising an organic base characterised in that the organic base is a N-alkyl morpholine compound.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: August 14, 2007
    Assignee: Adisseo Ireland Ltd.
    Inventor: Patrick Rey
  • Patent number: 7256314
    Abstract: This invention provides a method for generating secondary phosphines from secondary phosphine oxides in the presence of a reducing agent, such as diisobutylaluminum hydride (DIBAL-H), triisobutyldialuminoxane, triisobutylaluminum, tetraisobutyldialuminoxane, or another reducing agent comprising: (i) an R1R2AlH moiety, wherein R1 and R2 are each an alkyl species or oxygen, and wherein at least one of R1 or R2 comprises at least 2 carbon atoms, or (ii) an R1R2R3Al moiety, wherein R1, R2, and R3 are not hydrogen, and wherein at least one of R1, R2, and R3 is an alkyl species comprising a ?-hydrogen, not including triethylaluminum. Preferred reducing agents for the present invention include: diisobutylaluminum hydride, triisobutyldialiuminoxane, triisobutylaluminum, tetraisobutyldialuminoxane, and combinations thereof.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: August 14, 2007
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Carl Alan Busacca, Jon C. Lorenz
  • Patent number: 7256192
    Abstract: The present invention relates to an aromatic diamide derivative represented by the general formula (I): [A1 is optionally substituted (C1-C8)alkylene group, (C3-C8)alkenylene group or the like, B is —O— or —N(R4)— (wherein R4 is H, (C1-C6)alkyl, halo(C1-C6)alkyl or the like), R1 is H, (C1-C6)alkyl, optionally substituted phenyl, optionally substituted heterocyclic group, or the like, R2 and R3 are each H, (C3-C6)cycloalkyl or —A2—R8 (A2 is —C(?O)—, —C(?S)— or —C(?NR9)—, R8 and R9 are each H, (C1-C6)alkyl or the like), Q1 to Q5 are each carbon or nitrogen, X and Y are each halogen, cyano, nitro, (C3-C6)cycloalkyl, optionally substituted phenyl, optionally substituted heterocyclic group, or the like, n is 0 to 4, m is 1 to 5, and Z1 and Z2 are each O or S] or a salt thereof, an agricultural and horticultural chemical, and a usage of the chemical.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: August 14, 2007
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Eiji Kohno, Hayami Nakao, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka
  • Patent number: 7252791
    Abstract: Low melting ionic compounds of the general formula (cation) (R?SO4) in which R? is a branched or linear, saturated or unsaturated, aliphatic or alicyclic functionalized or non-functionalized hydrocarbon chain with 3-36 carbon atoms are provided. These compounds can serve as ionic liquids, e.g. as solvents or solvent additives in chemical reactions, as extraction agents or as heat carriers. The compounds comprise a cation and anionic sulfate ester.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: August 7, 2007
    Inventors: Peter Wasserscheid, Andreas Bösmann, Roy Van Hal
  • Patent number: 7250214
    Abstract: Novel materials for chromatographic separations, processes for their preparation, and separation devices containing the chromatographic materials. In particular, the novel materials are porous inorganic/organic hybrid monolith materials, which desirably may be surface modified, and which offer more efficient chromatographic separations than that known in the art.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: July 31, 2007
    Assignee: Waters Investments Limited
    Inventors: Thomas H. Walter, Julia Ding, Marianna Kele, John E. O'Gara, Pamela C. Iraneta
  • Patent number: 7250532
    Abstract: A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 with a mixture of halogenated aryl compounds (II): Ar1—X and (III): Ar2—X in the presence of a noble metal catalyst, followed by eliminating the substituent R1 from the nitrogen atom in compound (IV) under an acidic condition or an alkaline condition or by addition of a reducing agent or an oxidizing agent. (R1: a substituent having 2 to 50 carbon atoms; Ar1 and Ar2: a substituted or unsubstituted hydrocarbon group or heterocyclic group having 6 to 50 carbon atoms and the same with or different from each other; and X: a halogen group). The aromatic amino compound useful as the charge transporting material can be produced efficiently at a great yield without using highly toxic raw materials.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: July 31, 2007
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Fumio Moriwaki
  • Patent number: 7244765
    Abstract: The invention relates to pharmaceutically acceptable salts of guanylhydrazone-containing compounds, for example, Semapimod. The invention also relates to pharmaceutically acceptable compositions comprising the salts and methods for their use.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: July 17, 2007
    Assignee: Cytokine Pharmasciences, Inc
    Inventor: Thais M. Sielecki-Dzurdz
  • Patent number: 7244860
    Abstract: Compounds of the formula (I), in which R1 is C1-C4alkyl, C6-C10aryi or C7-C11, aralkyl, R2 is an open-chain or cyclic secondary amino group, and R is a radical of the formula in which R3 is C1-C4alkyl or C1-C4alkoxy, and R4 is H, C1-C4alkyl or C1-C4alkoxy, are ligands for metal complexes as homogeneous hydrogenation catalysts for prochiral organic compounds containing double bonds, by means of which a very high activity and productivity and also enantioselectivity can be achieved
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: July 17, 2007
    Assignee: Umicore AG & Co. KG
    Inventors: Felix Spindler, Matthias Lotz, Marc Thommen
  • Patent number: 7238841
    Abstract: Novel phosphine and phosphine oxide ligands are prepared using polymeric supports. These compounds can be easily cleaved from the support, and along with the corresponding supported compounds, used as ligands in the preparation of novel, metal-complexed catalysts.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: July 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Paul J. Fagan, George Yanwu Li
  • Patent number: 7235697
    Abstract: The present invention relates to a process for preparing sulfur-containing compounds of the general formula I in which Q, R1 and R2 are each independently defined as follows: Q: —S— or —S—S—, R1: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, R2: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, where R1 and R2 are not simultaneously hydrogen, by reacting a mixed gas stream comprising hydrogen sulfide, with or without oxygen, with linear or branched C1-C30-olefins, which comprises carrying out the reaction in the presence of water and carbon dioxide at a pressure of from 2 to 325 bar.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: June 26, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Müller, Markus Weber, Eckhard Stroefer
  • Patent number: 7230137
    Abstract: The invention relates to a process for the preparation of cycloorganylphosphanes of formula 1 (R1P)n by reaction of dihalo(organyl)phosphanes of formula R1PHal2 with: a) activated zinc in an organic solvent, or with: b) an alkali metal or alkaline earth metal in a non-polar organic solvent in the presence of an activator, wherein R1 is C1–C12alkyl; C3–C12 cycloalkyl, aryl or heteroaryl, Hal is F, Cl, Br or I, and n is a number from 3 to 20. The invention relates also to novel di(alkali metal/alkaline earth metal) oligophosphanediides and to the use thereof in the preparation of organophosphorus compounds.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: June 12, 2007
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hansjörg Grützmacher, Jens Geier, Hartmut Schönberg, Markus Scherer, Daniel Stein, Souâd Boulmaâz
  • Patent number: 7230138
    Abstract: Compounds according to formula (I) wherein Z is S, SO, or SO2, may be prepared by a process that includes charging to a reactor hydrogen sulfide and an alkyl glycidyl ether according to formula (III), in the presence of a base.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: June 12, 2007
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Andrew Wilson Wang, Kevin Rodney Lassila, Michael Edward Ford, Joseph Richard Krock, Nancy Mary Martin, Ge Grace Zhang
  • Patent number: 7227041
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds with phosphinoalkoxides and phenylpyridines or phenylpyrimidines, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: June 5, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov
  • Patent number: 7217830
    Abstract: A compound of the formula (1): wherein PCA represents a polycycloaliphatic hydrocarbon group, ALK represents a divalent aliphatic hydrocarbon group, m is 1 or 2, n is 0 or 1, and R1 and R2 represent independently each other an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryl group or an aryloxy group.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: May 15, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobutaka Kunimi, Masashi Komatsu
  • Patent number: 7217843
    Abstract: A process for selectively making 2-thiols from alpha olefins is described. The process includes contacting a linear or branched alpha olefin having with H2S in the presence of a catalyst and recovering the 2-thiol from a product mixture. The catalyst includes a support and at least one metal selected from Group IIIA-VIIIA and the branched olefin is branched at the 3-position or higher with respect to the olefin double bond. Compositions wherein the 2-thiols are substantially free of 1-thiol and 3-thiol isomers are also described.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: May 15, 2007
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Daniel M. Hasenberg, Mitchell D. Refvik
  • Patent number: 7214836
    Abstract: Methods and kits for decomposing organophosphorus compounds in non-aqueous media at ambient conditions are described. Insecticides, pesticides, and chemical warfare agents can be quickly decomposed to non-toxic products. The method comprises combining the organophosphorus compound with a non-aqueous solution, preferably an alcohol, comprising metal ions and at least a trace amount of alkoxide ions. In a first preferred embodiment, the metal ion is a lanthanum ion. In a second preferred embodiment, the metal ion is a transition metal.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: May 8, 2007
    Assignee: Queen's University at Kingston
    Inventors: R. Stanley Brown, Alexei A. Neverov, Josephine S. W. Tsang