Patents Examined by Bruce Gray
  • Patent number: 4990665
    Abstract: Diaryinitrones are provided which are useful for near UV photolithography.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: February 5, 1991
    Assignee: MicroSi, Inc.
    Inventors: Bruce F. Griffing, Paul R. West
  • Patent number: 4990650
    Abstract: 1. An aromatic derivative having the formula (I) or the salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, hydroxyl, a halogen atom, or OR.sup.3 wherein R.sup.3 is C.sub.1 -C.sub.10 alkyl; A-B represents a hydrocarbon moiety having 1 to 10 carbon atoms and containing at least one double bond or a sulfur- or oxygen-containing hydrocarbon moiety having 1 to 10 carbon atoms; n is an integer of 2 to 4; X represents a group ##STR2## and Y represents a hydrogen atom; alkyl having 1 to 5 carbon atoms which may be substituted with aryl; alkenyl having 2 to 5 carbon atoms which may be substituted with aryl or aryl substituted with at least one C.sub.1 -C.sub.5 alkoxy; aryl which may be substituted with at least one carboxy or C.sub.1 -C.sub.5 alkoxycarbonyl or C.sub.1 -C.sub.5 alkoxy; provided that, when R.sup.1 and R.sup.2 are both hydrogen, the moiety --A--B--(CH.sub.2).sub.n --X--Y does not represent ##STR3## wherein n=2 to 4 and R.sup.4 is hydrogen or C.sub.1 -C.sub.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: February 5, 1991
    Assignee: Teijin Limited
    Inventors: Atsuo Hazato, Seizi Kurozumi
  • Patent number: 4988682
    Abstract: The present invention relates to a method for inhibiting the phosphatidylinositol cycle in a cell by contacting the cell with certain myo-inositol analogs. Such myo-inositol analogs can also be utilized to treat phosphatidylinositol cycle-dependent conditions. The present invention also provides novel myo-inositol analogs.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: January 29, 1991
    Assignee: University of Pittsburgh
    Inventor: Alan P. Kozikowski
  • Patent number: 4988826
    Abstract: The invention provides novel arylalkene compounds of formula I, a process for their preparation and their use as intermediates for insecticidal compounds, comprising, ##STR1## wherein W represents 1 to 4 substituents selected from halo, alkyl, alkoxy, haloalkyl, haloalkoxy and alkoxyalkyl, or W represents a bidentate alkylene or alkylenedioxy group linking adjacent carbon atoms, X represents fluoroalkyl, and Y is selected from chlorine, bromine and alkoxy; and a process for preparing said ethers. The compounds of formula I are prepared by reacting a ketone of formula: ##STR2## with a phosphonium salt of formula Hal.sup.- (Q).sub.3 P.sup.+ --CH.sub.2 --Y, where Hal.sup.- represents a halide ion and Q represents alkyl or aryl.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: January 29, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Robin A. E. Carr, Lyn Powell
  • Patent number: 4987265
    Abstract: The invention relates to the preparation of a benzaldehyde by hydrogenation of a corresponding benzoic acid in the gas phase in the presence of a manganese containing catalyst on an acid carrier. The invention is characterized in that use is made of a catalyst prepared by:(a) coprecipitation, at a pH between 7 and 10, of a manganese salt and a salt from which an acid carrier is formed,(b) subsequent calcination at a temperature between 300.degree. and 700.degree. C.,(c) followed by reduction with a hydrogen containing gas mixture.Preferably the catalyst contains oxides of aluminum, zirconium, titanium, hafnium and/or niobium.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: January 22, 1991
    Assignee: Stamicarbon B. V.
    Inventors: Paul C. Van Geem, Ludovicus H. W. Janssen
  • Patent number: 4987247
    Abstract: A process for preparing a compound of the formula: ##STR1## in an excellent yield with high purity, which comprises reacting a compound of the formula: ##STR2## with 3,4,5,6-tetrahydrophthalic anhydride in the presence of a catalyst system consisting of a nitrogen-containing base and a lower fatty acid.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: January 22, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yuji Funaki, Masayuki Fukushima
  • Patent number: 4985586
    Abstract: This invention relates to improvement to a process for the preparation of mercaptoalcohols containing, more particularly, up to 24 carbon atoms and, preferably, more than 3 carbon atoms, by reaction of the corresponding vicinal epoxides with hydrogen sulphide.The process comprises incorporating into the reaction mixture a catalyst comprising a guanidine and/or of organic derivatives of a guanidine, and/or of guanidine salts, in particular of guanidine salts. The catalyst can be either in liquid and/or solid form, depending on the nature of the catalyst and its solubility in the reaction mixture, or fixed and/or impregnated into various solid materials. The materials can be organic in nature such as neutral and/or basic polymer resins, polymers or copolymers, or can be inorganic in nature such as alumninas, silicas, aluminosilicates, zeolites, active charcoals, oxides and/or metal salts.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: January 15, 1991
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Emmanuel Arretz, Patrick Auge, Alfred Mirassou, Claude Landoussy
  • Patent number: 4985593
    Abstract: A dual mineral salt consisting essentially of magnesium, potassium and citrate. A method for manufacturing the subject salt in a form having a bulk density ranging from about 1.0 g/cc to about 1.3 g/cc is also disclosed, and the use of the subject salt as a dietary supplement are also disclosed.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: January 15, 1991
    Assignee: Mission Pharmacal Company, Inc.
    Inventors: Neill B. Walsdorf, George Alexandrides
  • Patent number: 4983766
    Abstract: An aldehyde (R.sup.1 CHO) and optically active 3-hydroxybutyric acid (CH.sub.3 CH(OH)CH.sub.2 COOH) are reacted to form an optically active dioxanone. This dioxanone is reacted with a compound R.sup.2 --X to form an intermediate (R.sup.1 R.sup.2 CHOCH(CH.sub.3) CH.sub.2 COOH) which is then subjected to elimination to form an optically active secondary alcohol (R.sup.1 R.sup.2 CHOH) in good yield and purity.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: January 8, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Rene Imwinkelried, Dieter Seebach
  • Patent number: 4983754
    Abstract: A method for the manufacture of dimethyl octyl (or pentyl) para-amino benzoic acid is described. The method consists in the carbonylation of para-bromo-dimethyl aniline, in the absence of any promoter, in a reaction system having a pH of above 8 in the presence of an alcohol selected from octanol, pentanol or isomers thereof using a palladium catalyst on an inert support. The reaction is carried out at a temperature in the range of 140.degree. to 200.degree. C. and a pressure of between 1 to 5 atmospheres. The product obtained is characterized by its high purity being substantially free of any impurities.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: January 8, 1991
    Assignee: Bromine Compounds Ltd.
    Inventor: Amihai Eisenstadt
  • Patent number: 4983777
    Abstract: Disclosed is a process for the oxidation of 4,4'-diisopropylbiphenyl which gives an excellent ratio of dihydroperoxide to monohydroperoxide and a low amount of other oxygenated compounds. The dihydroperoxide can be converted, by known procedures, to 4,4'-biphenyldiol or a diester thereof which are valuable monomers used in the manufacture of high performance polyesters. Certain of the disclosed compounds such as the dihydroperoxide, monohydroperoxides and diesters are new compositions of matter.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: January 8, 1991
    Assignee: Eastman Kodak Company
    Inventor: Dale E. Van Sickle
  • Patent number: 4981865
    Abstract: The present invention includes N-hydroxyamide, N-hydroxyurea, N-hydroxythioamide, and N-hydroxythiourea derivatives of fenamates, indomethacin, cicloprofen, oxepinac, and indoprofen as dual inhibitors or selective inhibitors of cyclooxygenase and 5-lipoxygenase.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: January 1, 1991
    Assignee: Warner-Lambert Co.
    Inventors: Thomas R. Belliotti, Wiaczeslaw A. Cetenko, David T. Connor, Daniel L. Flynn, Catherine R. Kostlan, James B. Kramer, Jagadish C. Sircar
  • Patent number: 4982008
    Abstract: There is disclosed a process for preparing a p-bromophenoxyacetaldehyde dialkylacetal derivative represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom or a lower alkyl group and R.sup.3 represents an alkyl group having 1 to 6 carbon atoms,which comprises reacting a bromine to a phenoxyacetaldehyde dialkylacetal represented by the formula: ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 have the same meanings as defined above,and then the reaction mixture is treated with an alkali metal hydroxide or alcoholate dissolved in an alcohol represented by the formula:R.sup.3 OHwherein R.sup.3 has the same meaning as defined above.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: January 1, 1991
    Assignees: UBE Industries, Ltd., Sankyo Co., Ltd.
    Inventors: Kikuo Ataka, Masahiko Kohno
  • Patent number: 4982012
    Abstract: 2-Methallyloxyphenol is produced selectively in good yield, high purity and without having to separate and recycle large amounts of catechol, in the reaction of methallyl chloride with catechol, by forming a substantially non-aqueous mixture of an alkali metal catecholate and a molar excess of methallyl chloride perferably in a polar organic solvent in which the methallyl chloride is substantially insoluble, agitating the mixture to produce a two-phase system comprising an organic first phase containing product 2-methallyloxyphenol dissolved in methallyl chloride and a polar second phase containing unreacted catecholate, and recovering product 2-methallyloxyphenol from the first plase. The presence of a quaternary ammonium or phosphonium catalyst in the reaction mixture further reduces undesired ring-alkylated by-products.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: January 1, 1991
    Assignee: FMC Corporation
    Inventor: John W. Ager, Jr.
  • Patent number: 4980349
    Abstract: The invention relates to new compounds corresponding to formula I: ##STR1## in which: W represents C=O, CH.sub.2 or CHOH,Z represents ##STR2## R.sub.1 and R.sub.2 represent especially Cl or F, R, R' and R" represent especially H,X represents especially CH.sub.2,Y represents especially COOH,u and v are two integers ranging from 0 to 10,p and q take the value 0 or 1,n and m are two integers ranging 0 to 10 andt is 0 or 1the total number of carbon atoms in the chain ##STR3## ranging from 2 to 20, and to their physiologically acceptable salts obtained with organic or inorganic acids.These compounds are useful for preparing medicinal products which have, especially, anti-inflammatory properties.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: December 25, 1990
    Assignee: SANOFI
    Inventors: Pierre Roger, Jean-Paul Fournier, Alain Martin, Jean Choay
  • Patent number: 4980501
    Abstract: A process for the production of secondary-butyl perfluoroester is provided by reacting ethylene with a perfluorocarboxylic acid in the presence of oxygen.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: December 25, 1990
    Assignee: National Distillers and Chemical Corporation
    Inventor: John A. Scheben
  • Patent number: 4980498
    Abstract: By using a new method 2-(2-hydroxyethoxy)-ethanol ester is produced from flufenamic acid as a result of direct esterification with diol with an excess of 8-15 mol diol per mol flufenamic acid without concurrent removal of water.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: December 25, 1990
    Assignee: Merckle GmbH
    Inventor: Gunter Metz
  • Patent number: 4973755
    Abstract: This invention relates to new stereochemically pure and stable adducts of Z-1-(p-.beta.-dimethylaminoethoxyphenyl)-1-(p-hydroxyphenyl)-2-phenyl-but- 1-ene and certain solvents which by virtue of their marked antioestrogenic activities may be used for the therapeutic treatment of benign breast diseases and hormone-dependent mammary tumors, in particularly by percutaneous application.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: November 27, 1990
    Assignee: Heumann Pharma GmbH & Co.
    Inventors: Ingomar Grafe, Helmut Schickaneder, Peter W. Jungblut, Kurt H. Ahrens
  • Patent number: 4973736
    Abstract: Diethers of m- or p-hydroxyphenol, as well as the monoethers, are prepared by reacting m- or p-tert.-butoxyphenol of the formula II ##STR1## with a halogen compound in the presence of a hydroxide, carbonate and/or bicarbonate of an alkali metal or alkaline earth metal and an organic solvent which is inert under the reaction conditions, at from 20.degree. C. to 150.degree. C., and, if desired, reacting the resulting diether with a dilute aqueous inorganic acid at from 30.degree. to 100.degree. C. to give the monoether.The end products which can be prepared by the process according to the invention are useful starting materials for the preparation of dyes, drugs and crop protection agents.
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: November 27, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Werner Hoffmann, Heinz-Guenter Oeser, Wolfgang Rohr, Juergen Varwig
  • Patent number: 4973745
    Abstract: A process for obtaining enantiomers of 2-arylpropionic acids by reacting a racemic mixture thereof with an amine-enantiomer, which process comprises converting the racemate of the 2-arylpropionic acid with an optically active form of threo-1-p-nitrophenyl-2-aminopropane-1,3-diol into the diastereomeric salts, separating these salts and converting the thus-obtained pure diastereomers into the free acids of the enantiomer forms of the 2-arylpropionic acid or into the salts thereof.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: November 27, 1990
    Assignee: Medice Chem.-Pharm. Fabrik Putter GmbH & Co. KG
    Inventors: Gottfried Blaschke, Karl-Ernst Schulte