Patents Examined by Héctor M Reyes
  • Patent number: 6593315
    Abstract: Salicylic acid derivatives of the formula I, where the index and the substituents have the following meanings: X is halogen, NO2, cyano, alkyl or alkoxy; m is 0, 1, 2 or 3, it being possible for the substituents X to be different from each other if n is greater than 1; A is OH, alkoxy, NH2, NHCH3 or N(CH3)2; R1 is phenyl, naphthyl, cycloalkyl, 5-membered or 6-membered hetaryl or 5-membered or 6-membered heterocyclyl, comprising one to three N atoms and/or one O or S atom or one or two O and/or S atoms, the ring systems being unsubstituted or substituted; R2 is hydrogen, cyano, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy or alkylthio, processes for the preparation of these compounds, compositions comprising them, and their use for controlling harmful fungi.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: July 15, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Gypser, Thomas Grote, Joachim Rheinheimer, Ingo Rose, Oliver Cullmann, Markus Gewehr, Wassilios Grammenos, Jordi Tormo i Blasco, Bernd Müller, Hubert Sauter, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Reinhard Stierl
  • Patent number: 6589986
    Abstract: This invention provides methods for treating, preventing or inhibiting anxiety, anxiety-related conditions and phobias in a mammal using compounds of the formula: wherein: R1 is H, alkyl, alkanoyl or the radical Ar; R2 is H or alkyl; R3 is alkoxy, NH2, alkylamino, dialkylamino, amino substituted by the radical Ar, alkyl, alkenyl, alkynyl, or the radicals Ar or ArO—; R4 is H, alkyl or the radical Ar; R5 is H or alkyl or the radical Ar; or a pharmaceutically acceptable salt or ester form thereof; Ar is an optionally substituted phenyl radical; and n is 0 or 1, or a pharmaceutically acceptable salt or ester form thereof, with the methods particularly including the use of N-[2-amino-4-(4-fluorobenzylamino)-phenyl]carbamic acid ethyl ester, also known as retigabine.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: July 8, 2003
    Assignee: Wyeth
    Inventors: Mark R. Bowlby, Sharon Joy Rosenzweig-Lipson
  • Patent number: 6586620
    Abstract: The present invention discloses a process for the preparation of a compound according to formula wherein R1 is a C3-C7 alkyl group and R2 is a C1 to C4, linear or branched, alkyl radical, more preferably a methyl group, characterized in that the process includes the isomerisation of an epoxide of formula wherein R1 and R2 have the meaning given in formula (I), in the presence of an acidic isomerisation agent, a thermal treatment or a combination thereof. The process according to the invention allows the preparation of the cyclopentenyl compounds of formula (I) on an industrial scale. The compounds are important starting products for the production of appreciated perfuming ingredients in particular methyl dihydrojasmonates.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: July 1, 2003
    Assignee: Firmenich SA
    Inventors: Khushrav Crawford, Valentin Rautenstrauch, Arnoldus Uijttewaal
  • Patent number: 6586626
    Abstract: The invention provides a process for producing a fluorine-containing compound from an inexpensive material. Namely, Compound I such as RACH2OH is reacted with Compound II such as XCORB to form Compound III such as RACH2OCORB, followed by fluorination in a liquid phase to form Compound IV such as RAFCF2OCORBF, which is converted to Compound V such as RAFCOF and/or Compound VI such as RBFCOF. RA is an alkyl group or the like, RB is a perhalogenoalkyl group or the like, RAF and RBF are fluorinated RA and RB, and X is halogen.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: July 1, 2003
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi
  • Patent number: 6586625
    Abstract: A method for synthesizing compounds of Formula I in which R is alkyl or aryl and X is any halogen is described.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: July 1, 2003
    Assignee: Boulder Scientific Company
    Inventors: Hamlin H. Barnes, Fredric R. Askham
  • Patent number: 6586619
    Abstract: The present invention relates to novel monomers which can be used to form polymers which are useful in a photolithography employing a light source in the far ultraviolet region of the light spectrum, copolymers thereof, and photoresist compositions prepared therefrom. Photoresist monomers of the present invention are represented by the following Chemical Formula 1: wherein, R is substituted or non-substituted linear or branched (C1-C10) alkyl, substituted or non-substituted (C1-C10) ether, substituted or non-substituted (C1-C10) ester, or substituted or non-substituted (C1-C10) ketone; X and Y are independently CH2, CH2CH2, oxygen or sulfur; and i is 0 or an integer of 1 to 2.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: July 1, 2003
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Geun Su Lee, Cha Won Koh, Jae Chang Jung, Min Ho Jung, Ki Ho Baik
  • Patent number: 6583309
    Abstract: The present invention relates to novel carbamates, ureas, and pharmaceutically acceptable salts thereof, compositions comprising the carbamate, urea, or a pharmaceutically acceptable salt thereof, and methods for treating or preventing cancer, inflammation, or a viral infection comprising administering to a patient in need of such treatment or prevention a therapeutically effective amount of the carbamate, urea, or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: June 24, 2003
    Assignee: University of Medicine and Dentistry of New Jersey
    Inventors: Tariq M Rana, Seongwoo Hwang, Natarajan Tamilarasu
  • Patent number: 6583314
    Abstract: The pot life of an isocyanate formulation is controlled by including a chain extender having (a) at least two secondary amine groups, (b) no primary amine groups, and (c) a reactivity low enough that the chain extender will not react sufficiently with isocyanate groups present in the isocyanate formulation to increase the viscosity of the isocyanate formulation to more than 2000 mPa·s within 5 seconds in the isocyanate formulation.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: June 24, 2003
    Assignee: Bayer Corporation
    Inventors: Rick L. Adkins, William E. Slack, Edward P. Squiller
  • Patent number: 6576787
    Abstract: Hydroxymethyl-group-containing alicyclic compounds that are useful for making photosensitive resins and other functional polymers. Processes for producing the hydroxymethyl-group-containing alicyclic compounds. Polymerizable alicyclic compounds. The alicyclic moieties in all of these compounds may be a polycyclic ring such as a perhydroindene ring, a decalin ring, a perhydrofluorene ring, a perhydroanthracene ring, a perhydrophenanthrene ring, a tricyclo[5.2.1.02.6]decane ring, a perhydroacenaphthene ring, or a perhydrophenalene ring.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: June 10, 2003
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Tatsuya Nakano, Hiroshi Shimojitosyo
  • Patent number: 6576786
    Abstract: The invention relates to a process for preparing substituted cyclopentane derivatives represented by the formula (I) wherein R1, R2, R3, R4, X and Y are as described in the specification, and pharmaceutically acceptable salts thereof. The invention further relates to a process for purifying the compound of formula (Ia) and novel crystalline forms of the compound of formula (Ia).
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: June 10, 2003
    Assignee: Biocryst Pharmaceuticals Inc.
    Inventors: Ahmed F. Abdel-Magid, Hans-Ulrich Bichsel, Daniel J. Korey, Gunther G. Laufer, Erja A. Lehto, Sebastiano Mattei, Max Rey, Thomas W. Schultz, Cynthia Maryanoff
  • Patent number: 6573394
    Abstract: The invention provides a process for the catalytic epoxidation of an alkene comprising contacting a transition metal substituted polyoxofluorometalate and molecular oxygen with said alkene.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: June 3, 2003
    Assignees: Yissum Research Development Company of Hebrew University of Jerusalem, Yeda Research and Development Company Ltd.
    Inventors: Ronny Neumann, Alexander Khenkin, Revital Ben-Daniel
  • Patent number: 6562998
    Abstract: Granular product of 2-hydroxynaphthalene-3-carboxylic acid with well-suppressed dusting tendency, and process for preparing the same is provided. Granular product of 2-hydroxynaphthalene-3-carboxylic acid having an average particle size of 150 &mgr;m or more and a hardness of 70-3000 g, and a process for preparing the same comprising the steps of dry compressing powdery 2-hydroxynaphthalene-3-carboxylic acid to give compressed material and pulverizing and classifying the same.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 13, 2003
    Assignee: Kabushiki Kaisha Ueno Seiyako Oyo Kenkyujo
    Inventors: Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi, Syungo Nara, Masaharu Kittaka
  • Patent number: 6555708
    Abstract: There are provided cosmetics which have not only a reduced effect on the “gleam” caused by irregular light reflection but also a reduced effect on “stickiness” based on an oil raw material, giving a good feeling during use such as spreadability, etc., and being excellent in the sustaining of the makeup effect. There are used N&egr;-long chain acyllysine crystals whose average diameter or mode diameter lies in the range of 3˜15 &mgr;m without being subjected to the mechanical pulverization.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: April 29, 2003
    Assignee: Ajinomoto Co., Inc.
    Inventors: Naoya Yamato, Yasunori Atarashi, Keigo Sano
  • Patent number: 6548696
    Abstract: A low monomer 1:1-monoadduct from a diisocyanate and a hydroxy(meth)acrylate with a free diisocyanate content of less than 0.7% by weight and a free NCO content of 10.4-16.4% by weight can be used as a starting material for an acrylic or NCO functionalized crosslinker; a bonding agent for coatings and adhesives; and a linker for solid-phase synthesis of oligo-nucleotides, polynucleotides or peptides. The monoadduct is obtained by converting 5-20 mol diisocyanate with 1 mol hydroxy(meth)acrylate at a temperature of 40-120° C. in the presence of at least one inhibitor; subsequently separating a non-converted diisocyanate from a reaction product by short-path distillation at 80-220° C./0.1-10 mbar; feeding air, nitrogen monoxide or oxygen or a mixture containing (a) air, oxygen or nitrogen monoxide and (b) a proportion of 1-90% by volume of carbon dioxide, nitrogen, an inert gas or a mixture thereof through a reaction apparatus.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: April 15, 2003
    Assignee: Degussa AG
    Inventors: Stephan Kohlstruk, Lothar Hayen, Emmanouil Spyrou
  • Patent number: 6538150
    Abstract: The present invention relates to a compound of the formula (I) The compound according to the invention is suitable for the preparation of herbicidal active substances such as sulfonylureas.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: March 25, 2003
    Assignee: Aventis CropScience GmbH
    Inventors: Klaus Lorenz, Hans-Joachim Ressel, Lothar Willms
  • Patent number: 6531624
    Abstract: A process for producing a benzoylacrylic acid derivative (formula 1) in high yield through a small number of steps and a simple purification step. The process comprises reacting 2,4,5-trifluoro-3-methyl-6-nitrobenzoyl chloride with a compound (formula 2) to yield an aminoacrylic acid derivative (formula 1) and then reacting the aminoacrylic acid derivative (formula 1) with an amine derivative represented by R2—NH2, wherein R2 is a cycloalkyl group or the like.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: March 11, 2003
    Assignees: Asahi Glass Company Ltd., Katayama Seiyakusyo Co., Ltd.
    Inventors: Naoto Morita, Takashi Inagaki
  • Patent number: 6531627
    Abstract: An ester compound of the following formula (1) is provided. R1 is H, methyl or CH2CO2R3, R2 is H, methyl or CO2R3, R3 is C1-C15 alkyl, R4 is branched or cyclic, tertiary C5-C20 alkyl group, Z is a divalent C1-C10 hydrocarbon group, and k is 0 or 1. A resist composition comprising as the base resin a polymer resulting from the ester compound is sensitive to high-energy radiation, has excellent sensitivity, resolution, and etching resistance, and is suited for micropatterning using electron beams or deep-UV.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: March 11, 2003
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tsunehiro Nishi, Koji Hasegawa, Takeru Watanabe, Takeshi Kinsho, Mutsuo Nakashima, Seiichiro Tachibana, Jun Hatakeyama
  • Patent number: 6521787
    Abstract: The non-hydrated gabapentin polymorph is prepared by drying an aqueous solution of gabapentin by spray drying or turbo-drying and it is used for the preparation of pharmaceutical grade gabapentin by subjecting the polymorph to crystallisation from solvents.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: February 18, 2003
    Assignee: Medichem, S.A.
    Inventors: Jordi Bosch Lladó, Rafael García Cruz, Elias Molins Grau, Maria del Carmen Onrubia Miguel
  • Patent number: 6515170
    Abstract: The present invention concerns an enzymatic oxidative deamination process of a dipeptide monomer to prepare an intermediate useful to prepare compounds having endopeptidase and angiotensin converting enzyme inhibition activity.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: February 4, 2003
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Ramesh N. Patel, Amit Banerjee, Venkata B. Nanduri, Steven L. Goldberg, Robert M. Johnston, Thomas P. Tully, Laszlo J. Szarka, Shankar Swaminathan, John J. Venit, Jerome L. Moniot, William J. Winter, Neal G. Anderson, David A. Lust, Gerard Crispino, Sushil K. Srivastava
  • Patent number: 6515167
    Abstract: A low temperature process for preparing a methyl ester having formula (III) said process comprising reacting a carboxylic acid or salt thereof having formula (I) with dimethyl carbonate having formula (II) in the presence of a catalyst selected from the group consisting of 1,8 diazabicyclo[5.4.0]undec-7-ene; 1,4-diazabicyclo[2.2.2]octane; and combinations thereof, wherein said process is conducted at a temperature of about 10° C. to less than 120° C.; R1 is selected from the group consisting of an alkyl, aryl, alkoxy, alkenyl, cycloalkyl, benzocycloalkyl, cycloalkylalkyl, aralkyl, heterocyclic, heteroaralkyl, alkoxyalkyl, carboxyalkyl, alkylcarbonyl, alkoxycarbonyl, alkoxycarbonylalkyl and haloalkyl; and M is selected from the group consisting of hydrogen, a monovalent metal and a monovalent fractional part of a polyvalent metal.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 4, 2003
    Assignee: Novartis AG
    Inventors: Wen-Chung Shieh, Steven J. Dell