Oxy, Bonded Directly To A Ring, In Same Side Chain As Ester Function Patents (Class 560/61)
  • Patent number: 6310237
    Abstract: A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of ethylene with &agr;-olefins and, optionally, nonconjugated polyenes. The promoters can also be combined with transition metal compounds, e.g., vanadium, to form combination promoter-catalyst compounds.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: October 30, 2001
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Xu Wu Feng, Walter Nudenberg
  • Patent number: 6303648
    Abstract: Methods and compositions for the treatment of lung disease, such as emphysema and/or bronchopulmonary dysplasia, in a mammal. Also disclosed are methods promoting the formation of alveolar septa and increasing the gas-exchange surface area of a mammalian lung, and for the prevention and/or treatment of alveolar destruction.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: October 16, 2001
    Assignee: Allergan Sales, Inc.
    Inventors: Gloria DeCarlo Massaro, Donald Massaro, Roshantha A. Chandraratna
  • Patent number: 6297395
    Abstract: Disclosed are “acid-amide” calixarenes of formula (I) wherein: L is [—CH2—] or [—O—CH2—O—] and may be the same or different between each aryl group; R5 is H, halogen, or C1-C10 aliphatic hydrocarbyl group, C6-C20 aryl group, C6-C10 hydrocarbyaryl group, any of which may optionally be substituted by one or more halo or oxo groups or interrupted by one or more oxo groups, and R5 may be the same or different on each aryl group; R1 comprises an optionally protected carboxy group; two groups out of R2, R3, and R4 are H; the one group out of R2, R3, and R4 not being H comprises an amide group. The amide group may be linked to a second calixarene to form a dimer. Also disclosed are methods of use of such calixarenes for the purposes of metal sequestration, especially of lanthanides and actinides. Also disclosed are calixarene dimer derivatives of the calixarenes of the invention. Also disclosed are processes for preparing the calixarenes and dimers.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: October 2, 2001
    Assignee: The Secretary of State for Defence in Her Brittanic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Graeme P. Nicholson, Mark J. Kan, Gareth Williams, Michael G. Drew, Paul D. Beer
  • Patent number: 6294580
    Abstract: A compound having formula (I), wherein A is selected from the group consisting of: (i) phenyl, wherein said phenyl is optionally substituted by one or more halogen atoms, C1-6alkyl, C1-3alkoxy, C1-3fluoroalkoxy, nitrile, or —NR7R8 where R7 and R8 are independently hydrogen or C1-3alkyl; (ii) a 5- or 6-membered hetrocyclic group containing at least one heteroatom selected from oxygen, nitrogen and sulfur; and (iii) a fused bicyclic ring (a), wherein ring C represents a heterocyclic group as defined in point (ii) above, which bicyclic ring is attached to group B via a ring atom of ring C; B is selected from the group consisting of: (iv) C1-6alkylene; (v) —MC1-6alkylene or C1-6alkyleneMC1-6alkylene, wherein M is O, S, or —NR2 wherein R2 represents hydrogen or C1-3alkyl; (vi) a 5- or 6-membered heterocyclic group containing at least one nitrogen heteroatom and optionally at least one further heteroatom selected from oxygen, nitrogen and sulfur and optionally substituted by C1-3alkyl; and (vii) H
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: September 25, 2001
    Assignee: Glaxo Wellcome Inc.
    Inventors: Timothy Mark Willson, Robert Anthony Mook, Istvan Kaldor, Brad Richard Henke, David Norman Deaton, Jon Loren Collins, Jeffrey Edmond Cobb, Marcus Brackeen, Matthew Jude Sharp, John Mark O'Callaghan, Greg Alan Erickson, Grady Evan Boswell
  • Patent number: 6258974
    Abstract: There are disclosed amphoteric nano-sized metal oxide particles functionalized with silyl esters of a phosphonate and composites thereof with an acrylate-based monomer, including liquid crystal monomers photopolymerizable at ambient temperature. Also disclosed are the method making such functionalized particular by reacting a metal oxide with a silyl ester of a phosphonate in the presence of a non-aqueous solvent and in an inert atmosphere and the method of making the composites wherein the functionalized particles are admixed with an acrylate-based matrix monomer, including liquid crystal monomers photopolymerizable at ambient temperature. Further disclosed is the method of dental repair wherein the composites are applied to a tooth and photopolymerized.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: July 10, 2001
    Assignee: Southwest Research Institute
    Inventors: Stephen T. Wellinghoff, Hong Dixon, Henry R. Rawls, Barry K. Norling
  • Patent number: 6255342
    Abstract: The invention relates to novel phenyl-substituted cyclic ketoenols of the formula (I) in which Het represents one of the groups  in which A, B, D, G, X and Z are each as defined in the description, to a plurality of processes and intermediates for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: July 3, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Thomas Bretschneider, Michael Ruther, Alan Graff, Udo Schneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wolfram Andersch, Andreas Turberg
  • Patent number: 6248899
    Abstract: A description is given of a process for the transesterification of carboxylic esters, characterized in that the catalyst used is a tin(IV) compound comprising a radical of the formula bound to an inorganic support, where L is an at least divalent radical and at least one of the free valences of the Si in formula (I) is bound to the inorganic support, novel tin(IV) compounds and their preparation.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: June 19, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Benoît Pugin, Benoît Dubuis, Adrian Müller
  • Patent number: 6207853
    Abstract: A process for the preparation of an enantiomerically enriched 2-substituted succinic acid derivative of formula 2, which comprises asymmetric hydrogenation of the dehydro precursor of formula 7 or 8, or a mixture thereof wherein R1 and R2 are independently H, a salt-forming cation, or an organic group of up to 30 C atoms, and R3 and R4 are independently H or an organic group of up to 30 C atoms, provided that R3 and R4 are not both H, in the presence of a transition metal complex of a chiral phosphine ligand having the partial formula 10 wherein n is 0 to 6 and R represents at least one non-hydrogen organic group of up to 30 C atoms.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: March 27, 2001
    Assignee: Chirotech Technology, Inc.
    Inventors: Mark Joseph Burk, Frank Bienewald, Martin Edward Fox, Antonio Zanotti-Gerosa
  • Patent number: 6177154
    Abstract: Disclosed are (a) liquid crystalline compounds which are essential as component of the liquid crystal compositions, are excellent in miscibility with other liquid crystal compositions, particularly in the miscibility at low temperatures, and expressed by the general formula (1) wherein R0 and R1 independently represent an alkyl group having 1 to 10 carbon atoms; ring A0, ring A1, ring A2, and ring A3 represent 1,4-cyclohexylene group, 1,3-dioxane-2,5-diyl group, 1,4-phenylene group in which one or more hydrogen atoms on the ring may be represented by a halogen atom or R2O group, pyridine-2,5-diyl group, or pyrimidine-2,5-diyl group; Z0, Z1, Z2, and Z3 represent —CH2CH2—, —CH═CH—, —C≡C—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —(CH2)4—, or single bond; Q1 and Q2 represent hydrogen atom or a halogen atom; Q3 represents hydrogen atom, a halogen atom, or R2O g
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: January 23, 2001
    Assignee: Chisso Corporation
    Inventors: Shuichi Matsui, Tugumiti Andou, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasusuke Hisatsune, Fusayuki Takeshita, Etsuo Nakagawa
  • Patent number: 6172239
    Abstract: The invention relates to compounds of the formula The compounds have agreat affinity for the neurotensin receptors.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: January 9, 2001
    Assignee: Sanofi
    Inventors: Bernard Labeeuw, Danielle Gully, Francis JeanJean, Jean-Charles Molimard, Robert Boigegrain
  • Patent number: 6153787
    Abstract: The invention encompasses a process for making compounds of Formula I or Ia useful in the treatment of cyclooxygenase-2 mediated diseases.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: November 28, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Kai Rossen, Guo-Jie Ho, Ralph P. Volante, Roger N. Farr, David J. Mathre
  • Patent number: 6147251
    Abstract: A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of ethylene with .alpha.-olefins and, optionally, nonconjugated polyenes. The promoters can also be combined with transition metal compounds, e.g., vanadium, to form combination promoter-catalyst compounds.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: November 14, 2000
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Xu Wu Feng, Walter Nudenberg
  • Patent number: 6136852
    Abstract: The present invention relates to 3,4-disubstituted phenylethanolaminotetralincarboxylic acid derivatives represented by the general formula: ##STR1## [wherein Q represents a vinylene group or a group represented by the general formula:-A-(CH.sub.2).sub.m --(wherein A represents an oxygen atom or a methylene group; and m is an integer of from 1 to 6); R represents a hydrogen atom or a lower alkyl group; n is an integer of 1 or 2; the carbon atom marked with * represents a carbon atom in R configuration, S configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in S configuration] and pharmaceutically acceptable salts thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator and an agent for pain remission and promoting stone removal in urolithiasis.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: October 24, 2000
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Makio Kitazawa, Kosuke Okazaki, Tetsuro Tamai, Masaru Saito, Nobuyuki Tanaka, Hiroaki Kobayashi, Ken Kikuchi, Hideyuki Muranaka
  • Patent number: 6118019
    Abstract: A 3-alkoxypropionic ester derivative, an olefin polymerization solid catalyst component using the same, an olefin polymerization catalyst using the same, and a process for the preparation of a polyolefin using the same. The 3-alkoxypropionic ester derivative is represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrocarbon group having from 1 to 10 carbon atoms; R.sup.2 represents a hydrocarbon group having from 1 to 20 carbon atoms; R.sup.3 represents a hydrocarbon group having from 1 to 20 carbon atoms; and R.sup.4 represents a branched hydrocarbon group having 3 or more carbon atoms.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: September 12, 2000
    Assignee: Showa Denko K.K.
    Inventors: Masaki Fushimi, Shintaro Inazawa
  • Patent number: 6107517
    Abstract: Thyroid hormone analogues are disclosed. Methods of using such analogues and pharmaceutical compositions containing them are also disclosed, as are novel procedures for their preparation.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: August 22, 2000
    Assignee: The Regents of the University of California
    Inventors: Thomas S. Scanlan, Hikari A.I. Yoshihara, Grazia Chiellini, Timothy J. Mitchison
  • Patent number: 6048895
    Abstract: The invention provides novel PGF analogs. In particular, the present invention relates to compounds having a structure according to the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, and Z are as defined. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof.The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using theses compounds or the compositions containing them.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: April 11, 2000
    Assignee: The Procter & Gamble Company
    Inventors: John August Wos, Mitchell Anthony deLong, Jack S. Amburgey, Jr., Haiyan George Dai, Biswanath De, David Lindsey Soper
  • Patent number: 6030993
    Abstract: This invention relates to a novel 2-hydroxypropionic acid derivative and its manufacturing method. Based on its mechanism to inhibit the CPT I, 2-hydroxypropionic acid derivative of this invention has blood glucose lowering effects so that the derivative may be effectively used as an antidiabetic agent having remarkable antidiabetic activity and fewer side effects.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: February 29, 2000
    Assignees: Sang Sup JEW, Kwang Ho KO, Bak Kwang KIM
    Inventors: Sang Sup Jew, Suk Ku Kang, Deuk Joon Kim, Won Ki Kim, Hwa Jung Kim, Chang Kiu Moon, Jeong Hill Park, Young Ger Suh, Bong Jin Lee, Jee Woo Lee, Ki Hwa Jung, Moon Woo Chun, Hoon Huh, Eung Seok Lee, Hyung Ook Kim, Eun Kyung Kim, Sung Jin Kim, Jae Hoon Cheong, Kwang Ho Ko, Bak Kwang Kim
  • Patent number: 5935986
    Abstract: There are described compounds of the general formula I ##STR1## in which the index and the substituents have the following meanings: n is 0, 1, 2, 3 or 4;R is nitro, cyano, halogen,unsubstituted or substituted alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy orin the event that n is greater than 1 additionally an unsubstituted or substituted bridge which is bonded to two adjacent ring atoms;R.sup.1, R.sup.2 are alkyl;R.sup.3 is a substituted pyrazole ?sic! or triazole ?sic! radical of the formulae A.1 to A.3 ##STR2## where the bond marked .circle-solid. is the bond to the oxygen, processes for their preparation, and their use.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: August 10, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Muller, Reinhard Kirstgen, Hartmann Konig, Michael Rack, Klaus Oberdorf, Franz Rohl, Hubert Sauter, Gisela Lorenz, Eberhard Ammermann, Siegfried Strathmann, Volker Harries
  • Patent number: 5929117
    Abstract: Cyano and carboxy derivatives of substituted styrenes are inhibitors of tumor necrosis factor .alpha., nuclear factor .kappa.B, and phosphodiesterase and can be used to combat cachexia, endotoxic shock, retrovirus replication, asthma, and inflammatory conditions. A typical embodiment is 3,3-bis-(3,4-dimethoxyphenyl)acrylonitrile.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: July 27, 1999
    Assignee: Celgene Corporation
    Inventors: George W. Muller, Mary Shire
  • Patent number: 5917015
    Abstract: A support material for solid phase synthesis is provided having an amine-containing organic group attached to it through a linker.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: June 29, 1999
    Assignee: Regents of the University of Minnesota
    Inventors: Knud J. Jensen, George Barany, Micheal F. Songster, Fernando Albericio, Jordi Alsina, Josef Vagner
  • Patent number: 5910508
    Abstract: Novel pharmaceutically/cosmetically-active polycyclic polyenic compounds have the structural formula (I): ##STR1## and are useful for modulating cellular hormone receptors.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: June 8, 1999
    Assignee: Centre International De Recherches Dermatologiques Galderma
    Inventors: Etienne Thoreau, Braham Shroot
  • Patent number: 5886209
    Abstract: A multi-stage catalytic process for preparing a 2-(4-hydroxyphenoxy)-propionate, especially methyl 2-(4-hydroxyphenoxy)-propionate, with a purity greater than 99% by esterifying the corresponding 2-(4-hydroxyphenoxy)-propionic acid with an excess amount of alcohol, e.g. methyl alcohol, in a series of at least 2 up to 10 sequential stages at temperatures of 20.degree. to 150.degree. C. and pressures of 0.05 to 5 bar in the presence of a distillable acid catalyst such as hydrochloric acid or hydrogen chloride. In a first esterification stage, unreacted alcohol is removed from the ester product in vacuo at temperatures of 30.degree. to 100.degree. C. together with other volatile components, including the acid catalyst. Without a separate purification of the resulting ester as the bottoms product of the first stage, the esterification step is repeated in at least one additional stage. The final ester product of this multi-stage process is characterized by a water content of less than 0.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: March 23, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Wettling, Manfred Dimmler, Bernd Hupfeld, Jochem Henklemann
  • Patent number: 5883294
    Abstract: Selective thyroid hormone agonists are disclosed that are highly selective for the TR.beta. subtype with high binding affinity. Methods of using such agonists and pharmaceutical compositions containing them are also disclosed, as are novel procedures for their preparation.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: March 16, 1999
    Assignee: The Regeants of the University of California
    Inventors: Thomas S. Scanlan, Grazia Chiellini, Hikari Yoshihara, James Apriletti, John D. Baxter, Ralff C. J. Ribeiro
  • Patent number: 5877334
    Abstract: A solid phase synthesis method and intermediates useful in the process are disclosed for the preparation of diamino diol and diamino alcohol inhibitors of HIV protease.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: March 2, 1999
    Assignee: Abbott Laboratories
    Inventor: Gary T. Wang
  • Patent number: 5869735
    Abstract: Process for the preparation of alkyl aryl ethers containing carboxyl groups which are suitable for the preparation of colour film couplers, or derivatives thereof, by reaction of aromatic alcohols with alkyl halides containing carboxyl groups or derivatives thereof and basic alkali metal or alkaline earth metal compounds, characterized in that the reaction is carried out in the melt of the aromatic alcohol.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: February 9, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Antons, Erich Hammerschmidt, Heinz Ulrich Blank, Helmut Fiege, Heinz-Gerd Hartges
  • Patent number: 5855629
    Abstract: This invention provides alkoxy acetic acid derivatives of general formula I: ##STR1## wherein R is the residue of an amine, an aminoalcohol or a polyol linked to the or each --CHR'--CO-- moiety via an amide or ester linkage;R' is hydrogen or a C.sub.1-4 alkyl group;R.sup.1 is an optionally substituted hydrocarbyl group of 1 to 300 carbon atoms;one of R.sup.2 and R.sup.3 is independently selected from hydrogen and optionally substituted hydrocarbyl of 1 to 10 carbon atoms, the other of R.sup.2 and R.sup.3 being independently selected from optionally substituted hydrocarbyl of 1 to 10 carbon atoms;m is from 3 to 200;n is from 0 to 20, provided that m/n is at least 1; andp is from 1 to 5; a process for their preparation; and their incorporation in additive concentrates and fuel compositions for internal combustion engines.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: January 5, 1999
    Assignee: Shell Oil Company
    Inventors: Michael John Grundy, David Roy Kendall, Thomas Webster Naisby, Andrew Czeslaw Sutkowski
  • Patent number: 5777151
    Abstract: Mono- or polycarboxylic acid esters are prepared by reacting a salt of such carboxylic acid with an organic halocompound, e.g., a (cyclo)alkyl, (cyclo)alkenyl, aryl or aralkyl halide, in an aqueous reaction medium, in the presence of a catalytically effective amount of a phase transfer catalyst, for example an onium salt.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: July 7, 1998
    Assignee: Rhone-Poulenc Chimie
    Inventor: Michel Crochemore
  • Patent number: 5773625
    Abstract: The present invention relates to a process for the preparation of cabonate compounds useful for the preparation of compounds which are human immunodeficiency virus (HIV) protease inhibitors.The compounds have formula I: ##STR1## wherein R.sup.9 is hydrogen or lower alkyl, and the thiazolyl ring can be unsubituted or substituted with a lower alkyl group.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: June 30, 1998
    Assignee: Abbott Laboratories
    Inventor: Denton C. Langridge
  • Patent number: 5755994
    Abstract: A novel liquid crystalline compound having a large dielectric anisotropy value, a small change in the threshold voltage depending upon temperatures, and an improved solubility in other liquid crystal materials at low temperatures, and a liquid crystal composition containing the compound are provided,which liquid crystalline compound is expressed by the formula (1) ##STR1## wherein R is H or an alkyl group of 1 to 10C; l is an integer of 1 to 9; m, n and o are each independently 0 or 1; A.sub.1, A.sub.2 and A.sub.3 are each independently trans-1,4-cyclohexylene group, 1,4-phenylene group, one or more H atoms on the ring of which group may be replaced by F, or the like group; Z.sub.1, Z.sub.2 and Z.sub.3 are each independently --COO--, etc., but at least one of them is --COO--; X is CF.sub.3, etc.; and Y.sub.1, and Y.sub.2 are each independently H or F.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: May 26, 1998
    Assignee: Chisso Corporation
    Inventors: Tomoyuki Kondo, Shuichi Matsui, Yasuyuki Koizumi, Koichi Shibata, Yasuhiro Haseba, Norihisa Hachiya, Etsuo Nakagawa, Kazutoshi Miyazawa
  • Patent number: 5736576
    Abstract: The present invention provides methods for treating cancer, particularly malignant tumors, with thyroxine analogues having no significant hormonal activity. A thyroxine analogue is administered to an afflicted mammal in an amount effective to cause depression or regression of malignant tumor growth or to treat cancer.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: April 7, 1998
    Assignee: Octamer, Inc.
    Inventors: Ernest Kun, Jerome Mendeleyev
  • Patent number: 5734077
    Abstract: New substituted 2,2-dimethyl-.omega.-phenoxyalkanoic acids and esters of formula: ##STR1## wherein: X, A, B, R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and Z are as defined in the specification,The corresponding enantiomers and diastereoisomers, and the physiologically tolerable salts thereof with appropriate bases.The products of the invention may be used therapeutically.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: March 31, 1998
    Assignee: Adir ET Compagnie
    Inventors: Gilbert Regnier, Claude Guillonneau, Jean-Paul Vilaine, Florence Mahlberg, Christine Breugnot
  • Patent number: 5728864
    Abstract: A liquid crystal compound of the formula (1) ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms,both X and Y are hydrogen atoms or one of X and Y is a fluorine atom and the other is a hydrogen atom,A is --CF.sub.3 or --C.sub.2 F.sub.5,m is an integer of 2 to 4,n is an integer of 2 to 4, andC* is an asymmetric carbon,having a ferrielectric phase in its phase sequence, or a ferrielectric liquid crystal composition containing the liquid crystal compound of the formula (1) having a ferrielectric phase, may be injected between substrates provided with nonlinear active elements, such as thin film transistors or diodes formed on each pixel, to form an active matrix liquid crystal display device.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: March 17, 1998
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yuki Motoyama, Tomoyuki Yui, Masahiro Johno, Maki Ito, Takahiro Matsumoto, Hiroshi Mineta
  • Patent number: 5726205
    Abstract: This document describes O-acyl-4-phenyl-cycloalkanols of general formula I ##STR1## wherein n denotes the number 0 or 1, m denotes the number 1 or 2, p denotes the number 0 or 1, R.sup.1 and R.sup.2 each denote hydrogen, lower alkyl, alkenyl or alkynyl, which may optionally also be substituted, or together with the nitrogen atom between them denote 5- to 7-membered saturated, monocyclic, heterocyclic rings which may optionally also be interrupted by an oxygen or sulphur atom or by an imino group, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 denote hydrogen or lower alkyl, R.sup.5 additionally denotes lower alkoxy, R.sup.7 denotes hydrogen, cycloalkyl, phenyl or substituted phenyl, naphthyl, tetrahydronaphthyl, thienyl, furyl or pyridyl and A denotes a chemical bond or alkyl, alkenyl or alkynyl having up to 17 carbon atoms, and also processes for preparing them, pharmaceutical compositions containing these compounds and the use of these pharmaceutical compositions which intervene in cholesterol biosynthesis.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: March 10, 1998
    Assignee: Karl Thomae GmbH
    Inventors: Eberhard Woitun, Roland Maier, Peter Muller, Rudolf Hurnaus, Michael Mark, Bernard Eisele, Ralph-Michael Budzinski, Gerhard Hallermayer
  • Patent number: 5707544
    Abstract: The present invention is concerned with chromophore-containing photo cross-linkable liquid crystalline compounds having the formula ##STR1## wherein A.sup.1 and A.sup.2 each represent a cross-linkable, mesogenic group; andA.sup.3 represents a dichroic group.as well as liquid crystalline mixtures which contain such compounds and their use in the cross-linked state as optical components.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: January 13, 1998
    Assignee: Rolic AG
    Inventor: Stephen Kelly
  • Patent number: 5703130
    Abstract: New retinoid compounds, as chalcone retinoids and compositions thereof, are provided which exhibit therapeutic and/or biological activity on cancer or precancer cells, as well as to methods of use of same.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: December 30, 1997
    Assignee: Institute of Materia Medica, an Institute of the Chinese Academy of Medical Sciences
    Inventors: Rui Han, Zong-Ru Guo
  • Patent number: 5686633
    Abstract: Inks, particularly inks for ink jet printing, contain at least one compound of the formula I ##STR1## as a stabilizer. The symbols R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.3 ' and R.sub.4 ' are as defined in claim 1. The compounds are in part novel and are suitable for use as light stabilizers for organic materials.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: November 11, 1997
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Eric Vieira, Hugh Stephen Laver
  • Patent number: 5658944
    Abstract: The present invention is concerned with compounds of formula (I) ##STR1## wherein Ar is a mono- or bicyclic aromatic group optionally containing one or two heteroatoms independently selected from nitrogen, oxygen and sulphur, said group being optionally substituted by one or more atoms or groups independently selected from halogen, nitro, amino, --NRR.sup.1 where R and R.sup.1 are independently selected from hydrogen, C.sub.1-8 alkyl and C.sub.1-8 alkanoyl, cyano, carboxyalkoxy, alkoxycarbonylalkoxy, C.sub.1-8 alkyl (including cycloalkyl and cycloalkylalkyl), C.sub.1-8 alkoxy (including cycloalkoxy and cycloalkylalkoxy), C.sub.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: August 19, 1997
    Assignee: The University of South Carolina
    Inventors: James Mood Chapman, Jr., Roy Lee Hawke, Karl Witold Franzmann, Kevin Julian O'Connor
  • Patent number: 5654338
    Abstract: Optically active .alpha.-(hydroxyphenoxy)-alkanecarboxylic acids or derivatives thereof, for example D-2-(4-hydroxyphenoxy)propionic acid or lower alkyl ester thereof, are prepared by (a) saponifying an alkyl ester of an optically active .alpha.-halogeno-alkanecarboxylic acid, in an alcoholic solvent medium, by reacting same with an aqueous solution of an alkali metal hydroxide, thereby providing a solution of an alkali metal salt of an optically active .alpha.-halogeno-alkanecarboxylic acid, (b) next reacting the step (a) solution thus provided with a dihydroxybenzene or salt thereof, in the presence of an alkali metal hydroxide and in an alcoholic solvent medium, and thence (c) recovering the optically active .alpha.-(hydroxyphenoxy)-alkanecarboxylic acid or derivative thereof from the medium of reaction.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: August 5, 1997
    Assignee: Rhone-Poulenc Chimie
    Inventor: Pascal Metivier
  • Patent number: 5650533
    Abstract: The invention relates to 4-substituted isoxazole derivatives of formula I: ##STR1## wherein R, R.sup.1, R.sup.2, Q and n have the meaning defined in the description which possess valuable herbicidal properties.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 22, 1997
    Assignee: Rhone-Poulenc Agriculture Ltd.
    Inventors: David Alan Roberts, Susan Mary Cramp, Derek Ian Wallis, Jean-Paul Bulot
  • Patent number: 5646184
    Abstract: Disclosed is a preparation for external application to the skin characterized by containing at least one of benzoic acid derivatives represented by formula (I) or pharmacologically acceptable salts thereof as an active ingredient, the preparation having sufficient sebaceous secretion inhibitory activity with no substantial side effect and high safety for human body. ##STR1## wherein R.sup.1 represents --OH, --OR.sup.3 or --NHR.sup.3 ; R.sup.2 represents a hydrogen atom, a lower alkyl group or a lower acyl group; R represents --O--R.sup.4 or ##STR2## R.sup.3 represents an alkyl group, an alkenyl group or a hydroxyalkyl group; R.sup.4 represents a straight-chain or branched, saturated or mono-unsaturated alkyl group or cycloalkylalkyl group having from 4 to 10 carbon atoms; X represents --O-- or --NH--; and n represents 1 or 2.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: July 8, 1997
    Assignee: Kao Corporation
    Inventors: Akira Sakaguchi, Takashi Kitahara, Keiko Koizumi, Noriko Sato, Kimihiko Hori, Hiroyuki Shinta
  • Patent number: 5622532
    Abstract: Polylactone aromatic esters having the formula: ##STR1## wherein R.sub.1 is a hydrocarbyl group having a sufficient number of carbon atoms to render the compound soluble in hydrocarbons boiling in the gasoline or diesel fuel range;R.sub.2 is an alkylene group of about 2 to 5 carbon atoms;R.sub.3 and R.sub.4 are each independently hydrogen, hydroxy, nitro, amino, N-alkylamino having 1 to 6 carbon atoms in the alkyl group, or N,N-dialkylamino having 1 to 6 carbon atoms in each alkyl group, provided that R.sub.3 and R.sub.4 may not both be hydrogen;and x is an integer from 1 to 25.The polylactone aromatic esters of formula I are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: April 22, 1997
    Assignee: Chevron Chemical Company
    Inventor: Richard E. Cherpeck
  • Patent number: 5621133
    Abstract: Novel compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, whereinA is --O--, --S-- or --CR.sup.2 R.sup.8 --;R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, X and Y are specifically defined; andup to one combination of (a) R.sup.2 and R.sup.5, (b) R.sup.5 and R.sup.6, (c) R.sup.5 and R.sup.7, (d) R.sup.6 and R.sup.7, and (e) R.sup.7 and Y, taken together with the atoms to which they are attached, may form a ring, the compounds being useful for treating dopamine-related neurological, psychological and cardiovascular disorders as well as in the treatment of cognitive impairment, attention deficit disorder, and substance abuse and other addictive behavior disorders.Also disclosed are intermediates and processes useful in the preparation of the above compounds.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 15, 1997
    Inventors: Michael P. DeNinno, Richard J. Perner
  • Patent number: 5618320
    Abstract: Aromatic esters of polyalkylphenoxyalkanols having the formula: ##STR1## or a fuel soluble salt thereof, wherein R is hydroxy, nitro or --(CH.sub.2).sub.x --NR.sub.5 R.sub.6, wherein R.sub.5 and R.sub.6 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms and x is 0 or 1;R.sub.1 is hydrogen, hydroxy, nitro or --NR.sub.7 R.sub.8, wherein R.sub.7 and R.sub.8 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms;R.sub.2 and R.sub.3 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; andR.sub.4 is a polyalkyl group having an average molecular weight in the range of about 450 to 5,000.The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: April 8, 1997
    Assignee: Chevron Chemical Company
    Inventor: Richard E. Cherpeck
  • Patent number: 5602196
    Abstract: Stabilisers of formula I ##STR1## wherein R.sub.1 and R.sub.2 may be C.sub.1 -C.sub.5 alkyl, the substituents R.sub.3 to R.sub.8 may be hydrogen, the variable n may be 1 or 2, and, when n is 1, A may be an alkoxy radical, and, when n is 2, A may be a diamine radical.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: February 11, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Bernard Gilg, Rita Pitteloud
  • Patent number: 5599966
    Abstract: Compounds of the formula (I): Ar.sub.1 --CH(OH)--CH.sub.2 --NH--CH.sub.2 --X--CH.sub.2 --E--(CH.sub.2).sub.n --Y--Ar.sub.2, in which the substituents and symbols have the meanings given in the description, are novel active compounds having, in particular, a broncholytic action.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: February 4, 1997
    Assignee: BYK Nederland BV
    Inventors: Jan Bron, Geert J. Sterk, Hendrik Timmerman, Meta E. J. Veerman, Jan F. Van Der Werf
  • Patent number: 5596124
    Abstract: There is provided a method for safening herbicides in cereal crop plants by using 5-aryloxy-1,2 -(disubstituted)benzene compounds of formula I ##STR1## Further provided are compositions comprising a 5-aryloxy-1,2-(disubstituted)benzene compound of formula I.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: January 21, 1997
    Assignee: American Cyanamid Company
    Inventors: Gail E. Cary, Peter J. Wepplo, Barbara A. Bench
  • Patent number: 5593617
    Abstract: The present invention is related to photochemically polymerizable liquid crystals of the general formula ##STR1## wherein A.sup.1, A.sup.2 and A.sup.3 are, independently, photochemically polymerizable mesogenic residues. The present invention also provides liquid crystalline mixtures which contain these compounds, as well as use of these compounds in the cross-linked state as optical or electronic components.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: January 14, 1997
    Assignee: Hoffmann-LaRoche Inc.
    Inventors: Stephen Kelly, Teodor Luk ac
  • Patent number: 5591884
    Abstract: Novel compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, whereinA is --O--, --S-- or --CR.sup.2 R.sup.8 --;R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, X and Y are specifically defined; andup to one combination of (a) R.sup.2 and R.sup.5, (b) R.sup.5 and R.sup.6, (c) R.sup.5 and R.sup.7, (d) R.sup.6 and R.sup.7, and (e) R.sup.7 and Y, taken together with the atoms to which they are attached, may form a ring, the compounds being useful for treating dopamine-related neurological, psychological and cardiovascular disorders as well as in the treatment of cognitive impairment, attention deficit disorder, and substance abuse and other addictive behavior disorders.Also disclosed are intermediates and processes useful in the preparation of the above compounds.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 7, 1997
    Assignee: Abbott Laboratories
    Inventors: Michael P. DeNinno, Richard J. Perner
  • Patent number: 5565606
    Abstract: The invention relates to compounds of the formula I ##STR1## in which A denotes hydrogen or an amino protective group, B denotes one or more amino acids, X denotes alkylene or aralkylene, Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are identical or different and denote hydrogen, methyl, methoxy or nitro, V denotes hydrogen or a carboxyl protective group, W denotes --[CH.sub.2 ].sub.n -- or --O--[CH.sub.2 ].sub.n --, m denotes 0 or 1, n denotes 0 to 6, and p denotes 0 to 5, to a process for their preparation. The compounds of formula I are useful as linkage agents or anchor groups in the solid-phase synthesis of peptide aminoalkylamides and peptide hydrazides.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: October 15, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Breiphol, Jochen Knolle
  • Patent number: 5554641
    Abstract: The small nonpeptides of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: September 10, 1996
    Inventors: David C. Horwell, Martyn C. Pritchard, Jennifer Raphy