Patents Examined by Thurman K. Page
  • Patent number: 7262323
    Abstract: A method for producing high purity terephthalic acid wherein a slurry having an acetic acid solvent and, dispersed therein, crude terephthalic acid crystals which has been prepared by subjecting a p-alkyl benzene to a liquid phase oxidation in a solvent of acetic acid is continuously converted to a water slurry by the mother liquid exchange, and then the resultant water slurry is subjected to a hydrogenation treatment, which comprises introducing the above acetic acid slurry to a tower having a center axis having a plurality of agitating blades at the top thereof, to form a region having a high concentration of terephthalic acid crystals in the tower through the sedimentation of the terephthalic acid crystals, supplying the water for substitution to the bottom of the tower in such a manner to form an upward water flow while generating a revolving flow of the high concentration region by the rotation of the agitation blade, to thereby subject said terephthalic acid crystals and said upward water flow to a coun
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: August 28, 2007
    Assignees: Mitsubishi Gas Chemical Company, Inc., Toyo Boseki Kabushiki Kaisha, Mizushima Aroma Company, Ltd.
    Inventors: Hideaki Fujita, Hiroshi Machida, Nobuo Namiki, Yoshio Waguri
  • Patent number: 7262321
    Abstract: The present invention provides a salt of the formula (I): wherein X represents divalent or trivalent residue of acyclic hydrocarbon having 1 to 30 carbon atoms or divalent or trivalent residue of hydrocarbon having 3 to 30 carbon atoms which contains monocyclic or bicyclic ring, wherein —CH2— in the hydrocarbon may be substituted with —O— and one or more hydrogen atom in X is optionally substituted with alkoxy group having 1 to 6 carbon atoms, perfluoroalkyl group having 1 to 4 carbon atoms, hydroxyalkyl group having 1 to 6 carbon atoms, hydroxyl group or cyano group; Q1 and Q2 each independently represent fluorine atom or perfluoroalkyl group having 1 to 6 carbon atoms; A+ represents organic counter ion; Y represents hydroxyl group, cyano group or methoxy group; and n shows 1 or 2. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: August 28, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yukako Harada, Isao Yoshida, Yoshiyuki Takata
  • Patent number: 7259168
    Abstract: The present invention relates to 2-aminomethylthieno[2,3-d]pyrimidines of the general formula (I) in which the radicals R1 to R6 have the meaning indicated in the text. The compounds show phosphodiesterase V inhibition and can be employed for the treatment of conditions of the cardiovascular system and for the treatment of potency disorders.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: August 21, 2007
    Assignee: Merck Patent GmbH
    Inventors: Rochus Jonas, Pierre Schelling, Maria Christadler, Norbert Beier
  • 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: 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: 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: 7252839
    Abstract: A delivery system including a body construction (7) and at least one capsule (8) containing a pharmaceutical composition, the capsule having at least a first end and a second end. The body construction (7, 12, 34) has at least two locking parts (9, 10), each locking part (9, 10) having at least a first end and a second end, the first end of each locking part (9, 10) having a surface adapted to face and cover one of the at least first and second ends of the capsule (8). The diameter of at least one of the locking parts varies along its length between the first end and the second end, and the capsule (8) is mounted between the at least two locking parts. Also disclosed is a manufacturing process of a delivery system, the system including a body construction and at least one capsule containing a pharmaceutical composition.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: August 7, 2007
    Assignee: Schering Oy
    Inventors: Esa Hallinen, Heikki Lyytikäinen, Pentti Järvelä, Ilkka Kivi
  • Patent number: 7253325
    Abstract: Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst is a SALEN-type compound which contains an amino group and an oxy or hydroxy group connected by a hydrocarbon, such as an alkyl or an alkylaryl. The SALEN-type compounds may be Schiff bases, i.e., a condensate product of a primary amine with an aldehyde, ketone or an alcohol. The SALEN-type compound may be a mono or bis compound and may be complexed with a Group 4-14 metal, such as aluminum, tin, vanadium, chromium, manganese, iron, cobalt or platinum.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: August 7, 2007
    Assignee: Saudi Basic Industries Corporation
    Inventors: Jaap W. Van Hal, John S. Ledford, Xiankuan Zhang
  • 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: 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: 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: 7250533
    Abstract: Processes for preparing cinacalcet are provided.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: July 31, 2007
    Assignee: Teva Pharmaceutical Industries Ltd
    Inventors: Revital Lifshitz-Liron, Amihai Eisenstadt, Shlomit Wizel, Sharon Avhar-Maydan, Yuriy Raizi, Revital Ramaty
  • Patent number: 7250529
    Abstract: A highly advantageous process for the preparation of 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid or a salt thereof is described. The process comprises subjecting 1-acetyl 3-hydroxyadamantane to liquid phase oxidation with permanganate to produce 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid or a salt thereof, with acidification to form the free acid when appropriate.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: July 31, 2007
    Assignee: Albemarle Corporation
    Inventor: Eric L. Williams
  • Patent number: 7247758
    Abstract: The present invention provides a simple and efficient method for producing high-purity 2,3,6,7,10,11-hexahydroxytriphenylene on an industrial scale. The method for producing 2,3,6,7,10,11-hexahydroxytriphenylene comprises reacting catechol with peroxide.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: July 24, 2007
    Assignee: Otsuka Chemical Co., Ltd.
    Inventor: Takashi Kameshima
  • 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: 7244858
    Abstract: This invention relates to organometallic precursor compounds represented by the formula (L)M(L?)2(NO) wherein M is a Group 6 metal, L is a substituted or unsubstituted anionic ligand and L? is the same or different and is a ? acceptor ligand, a process for producing the organometallic precursor compounds, and a method for producing a film, coating or powder from the organometallic precursor compounds.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: July 17, 2007
    Assignee: Praxair Technology, Inc.
    Inventor: Scott Houston Meiere
  • Patent number: 7241916
    Abstract: A method of producing a methacrylic acid ester which comprises carrying out an ester-exchange reaction between methyl methacrylate and an alcohol or a phenol while removing by-product methanol as an azeotropic mixture with methyl methacrylate from the reaction system under reflux conditions, by the use of a reaction apparatus equipped with a distillation column. A methacrylic acid ester is produced with a good productivity by controlling the reflux ratio.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: July 10, 2007
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Junichi Doi, Yoshihiko Satou, Yoshiyuki Taniguchi, Masanori Tokuda
  • Patent number: 7241805
    Abstract: The present invention relates to pharmaceutical compositions, formulations and medicaments comprising a bupropion salt, in particular, modified-release tablets comprising an effective amount of bupropion hydrobromide, and the use of the bupropion salt to prepare a medicament to treat a condition.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: July 10, 2007
    Assignee: Biovail Laboratories, Inc.
    Inventors: Werner Oberegger, Fang Zhou, Paul Maes, Stefano Turchetta, Graham Jackson, Pietro Massardo, Mohammad Ashty Saleh
  • Patent number: 7238772
    Abstract: The present invention relates to a process comprising using ionic liquids for the polycondensation of 1,3-propanediol reactants to produce polytrimethylene ether glycol and copolymers thereof.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: July 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mark Andrew Harmer, Christopher P. Junk