Patents Examined by Stephen M. Kapner
  • Patent number: 4673677
    Abstract: A method for the treatment of gastrointestinal disorders in a patient which comprises administering to the patient a gastric anti-secretory effective amount of a 2-amino-5-hydroxy-4-methylpyrimidine or a substituted amino derivative thereof, optionally in admixture with an additional gastric anti-secretory agent.
    Type: Grant
    Filed: August 9, 1985
    Date of Patent: June 16, 1987
    Assignee: Pfizer Inc.
    Inventor: John L. LaMattina
  • Patent number: 4672126
    Abstract: A process for isolating levamisole or a therapeutically acceptable acid addition salt thereof from tetramisole or an acid addition salt thereof by precipitating levamisole. L-N-[(4-methoxyphenyl)sulfonyl]-glutamic acid (salt) and converting the diastereomeric salt into levamisole or a suitable acid addition salt thereof.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: June 9, 1987
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Guido J. L. Van der Veken, Eric J. Guns, Albert L. A. Willemsens
  • Patent number: 4666503
    Abstract: Novel substituted phenoxyalkanecarboxylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are a hydrogen atom, a halogen atom, a lower alkyl group or a nitro group, orR.sup.1 and R.sup.2, together with the benzene ring to which they are bonded, are a naphthalene ring,R.sup.3 and R.sup.4, independently of one another, are a hydrogen atom or a methyl group,n is 1 or 2,m is 0 or 1,X is an oxygen atom, a sulfur atom, a sulfonyl group or a group of the formula ##STR2## in which R.sup.6 is a lower alkyl group,R.sup.5 is a hydrogen atom or a halogen atom, andY is an oxygen atom or a sulfur atom,and the use of the new compounds as herbicides.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: May 19, 1987
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Kozo Shiokawa, Koichi Moriya, Toshio Goto, Atsumi Kamochi, Seishi Ito, Mitsugu Horita
  • Patent number: 4666499
    Abstract: Certain 2-methyl-4-phosphinylcinnolinium hydroxide inner salts, useful for controlling unwanted plants.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: May 19, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John R. Ponte, James J. Steffens, Herbert Estreicher
  • Patent number: 4665083
    Abstract: The invention relates to novel iminothiazolidine derivatives of the formula (I), ##STR1## wherein R.sup.1 and R.sup.3 represent, independently from each other, hydrogen or lower alkyl group,R.sup.3 is nitro or amino group,R stands for halo, lower alkyl, haloalkyl, nitro, amino, hydroxy, lower alkoxy, carboxy or lower alkoxycarbonyl group, andn is 0, 1 or 2,and pharmaceutically acceptable acid addition salts thereof.The iminothiazolidine derivatives of the formula (I) possess valuable antidepressant, antiparkinsonic, antiepileptic and spasmolytic activities.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: May 12, 1987
    Assignee: Egis Gyogyszergyar
    Inventors: Karoly Lempert, Gyula Hornyak, Ferenc Bartha, Gabor Doleschall, Jozsef Fetter, Jozsef Nyitrai, Gyula Simig, Karoly Zauer, Peter Huszthy, Antal Feller, Lujza Petocz, Eniko Szirt, Katalin Grasser, Edit Berenyi, Zsuzsanna Orr, Etelka Pjeczka
  • Patent number: 4664694
    Abstract: A compound is disclosed having the structural formula ##STR1## where R is hydrogen, chlorine, bromine, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CH.sub.2 COOH, --CH.sub.2 COO (C.sub.1 -C.sub.4 alkyl), --CH.sub.2 CONHN (C.sub.1 -C.sub.2 alkyl).sub.2, --CH.sub.2 CONR.sup.4 R.sup.5, --SPS(C.sub.1 -C.sub.4 alkoxy).sub.2 or --SPO(C.sub.1 -C.sub.4 alkoxy).sub.2 (C.sub.1 -C.sub.4 alkylthio).sub.2 ;R.sup.1, R.sup.2 and R.sup.3 are the same or different and are hydrogen, hydroxy, fluorine, chlorine, bromine, iodine, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.1 -C.sub.6 fluoroalkyl, C.sub.1 -C.sub.6 chloroalkyl, C.sub.1 -C.sub.6 fluoroalkoxy, C.sub.1 -C.sub.6 chloroalkoxy, C.sub.1 -C.sub.6 fluoroalkylthio, C.sub.1 -C.sub.6 chloroalkylthio, C.sub.7 -C.sub.9 aralkyl, phenyl, phenoxy, phenylthio, C.sub.2 -C.sub.5 alkoxycarbonyl, carboxy, nitro or cyano; andR.sup.4 and R.sup.5 are the same or different and are hydrogen or C.sub.1 -C.sub.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: May 12, 1987
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Ltd.
    Inventors: Walter G. Brouwer, Allen R. Blem
  • Patent number: 4665182
    Abstract: The compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen, lower alkyl of 1-4 carbons, lower alkenyl of 2-4 carbons, --B--X--R.sup.5).sub.n, or --B--Z--B--X--R.sup.5 --.sub.n ; n=0 when X is halogen or n=1 when X is --O--, --NR.sup.6 -- (where R.sup.6 is hydrogen or lower alkyl of 1-4 carbons) or --S(O)q-- (where q=0 to 2); B is lower alkanyl (straight or branched) of 1-5 carbons; R.sup.5 is hydrogen, aralkyl of 7 to 12 carbons or alkyl of 1-10 carbons; Z is --O--, NR.sup.6 --, or --S(O)q--; R.sup.2 is hydrogen or lower alkyl of 1-4 carbons or lower alkenyl of 2-4 carbons or either R.sup.1 and R.sup.2 together with the carbon atom in the pteridine ring structures to which they are attached, form a spirocycloalkyl ring system having 3 to 7 carbon atoms; R.sup.3 and R.sup.4 are hydrogen or methyl; R.sup.2 and R.sup.3, together with the carbon atoms in the pteridine ring structure to which they are attached, form a cycloalkyl ring system having 5 to 7 carbon atoms; provided that at least one of R.sup.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: May 12, 1987
    Assignee: Burroughs Wellcome Co.
    Inventors: Charles A. Nichol, John F. Reinhard, Jr., Gary K. Smith, Eric C. Bigham
  • Patent number: 4661599
    Abstract: There are described compounds exerting an antidotal activity belonging to the classes of the 2-thiazolines-2-substituted and 2-oxazolines-2-substituted, useful in the defense of agrarian cultivations from the toxic action of non-selective herbicides. Utilization and preparation methods thereof are described as well.
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: April 28, 1987
    Assignee: Montedison S.p.A.
    Inventors: Ottorino Palla, Giovanni Camaggi, Franco Gozzo, Augusto Menconi, Ernesto Signorini
  • Patent number: 4661489
    Abstract: A compound of formula (I): ##STR1## in which R is optionally substituted phenyl; C.sub.3-8 cycloalkyl; C.sub.5-8 cycloalkenyl; C.sub.1-8 alkyl which may be straight or branched; C.sub.2-8 alkenyl which may be straight or branched; 5- or 6- membered heterocyclyl; or optionally substituted phenyl C.sub.1-4 alkyl, each of Y and Z, which may be the same or different, is oxygen or sulphur; and X is --CH.sub.2 -- or oxygen, a process for the preparation of such compounds and their use in human and veterinary medicine.
    Type: Grant
    Filed: July 13, 1984
    Date of Patent: April 28, 1987
    Assignee: Beecham Group p.l.c.
    Inventors: Roderick J. Dorgan, Richard L. Elliott
  • Patent number: 4661641
    Abstract: Compounds of the formula ##STR1## wherein n is either 0 or 1; R.sup.1 and R.sup.2 is hydrogen and the other is hydrogen, hydroxy, oxo group, a protected hydroxy or protected oxo group; R.sup.3 is hydroxy oxo group, .dbd.CH--CH.sub.2 --OH, .dbd.CH--CHO or one of the foregoing groups where the hydroxy or oxo functions are protected; R.sup.4 is --CO--OR.sup.6, --CO--R.sup.6, --CO--NR.sup.6 R.sup.7, --CO--Cl or --SO.sub.2 --R.sup.6 ; R.sup.6 is saturated or aromatic hydrocarbon; and R.sup.7 is saturated or aromatic hydrocarbon or hydrogen,are converted by cleavage of R.sup.4 OH into corresponding cycloalkenes and protecting groups, if present, are hydrolyzed.The compounds obtained are valuable intermediates in carotenoid syntheses.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: April 28, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Teodor Lukac, Milan Soukup, Erich Widmer
  • Patent number: 4659362
    Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyloxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;R.sup.4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl; andn is the integer 3.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: April 21, 1987
    Assignee: ICI Australia Limited
    Inventors: Keith G. Watson, Graeme J. Farquharson
  • Patent number: 4657920
    Abstract: 1,2,4-Triazol-1-yl-methyl-carbinols of the formula ##STR1## in which Ar is optionally substituted aryl, andHet is optionally substituted heteroaryl with at least 2 different hetero-atoms,or addition products thereof with plant-tolerated acids or metal salts, which possess fungicidal activity.
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: April 14, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jan Gajowski, Erik Regel, Karl H. Buchel, Wilhelm Brandes, Paul Reinecke
  • Patent number: 4658074
    Abstract: Oxidative dehydrogenation of organic compounds in vapor phase with catalysts comprising crystalline compositions of iron, oxygen and at least one other metallic element. Preferred catalysts are ferrites.
    Type: Grant
    Filed: May 28, 1965
    Date of Patent: April 14, 1987
    Assignee: Petro-Tex Chemical Corporation
    Inventors: Laimonis Bajars, Louis J. Croce
  • Patent number: 4656171
    Abstract: Compounds of the formula ##STR1## wherein A, B, C and D are each independently --N.dbd. or --CH.dbd., provided, however, that at least two of them must be --N.dbd., and when A and C are both --N.dbd., at least one or both of B and D must be --N.dbd.; andR.sub.1, R.sub.2 and R.sub.3 are substituents of diverse types;tautomers thereof; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as cardiotonics.
    Type: Grant
    Filed: November 27, 1984
    Date of Patent: April 7, 1987
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Volkhard Austel, Norbert Hauel, Joachim Heider, Manfred Reiffen, Jacobus C. A. Van Meel, Willi Diederen
  • Patent number: 4656184
    Abstract: This invention relates to therapeutic compositions comprising, as active ingredient, N-substituted hydrazones having the formula: ##STR1## in which Z is a 2-thienyl or phenyl radical. Said compositions have an anti-inflammatory activity, particularly in the ocular field.
    Type: Grant
    Filed: February 7, 1984
    Date of Patent: April 7, 1987
    Inventors: Claude Coquelet, Chantal Bertez, Claude Bonne, Daniel Sincholles
  • Patent number: 4654343
    Abstract: Novel organic compounds which are N-substituted-N-[3-(1,2,4-triazolo[4,3-b]pyridazin-6-yl)phenyl]alkanamides , carbamates and ureas which are useful as anxiolytic or antiepileptic agents, methods of using the compounds, compositions of matter containing them as the active ingredient and processes for their production.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: March 31, 1987
    Assignee: American Cyanamid Company
    Inventors: Jay D. Albright, Dennis W. Powell, John P. Dusza
  • Patent number: 4652575
    Abstract: Compound of formula (I) ##STR1## wherein R is an alkyl or an aromatic group, having pharmaceutical utility as an agent for treating a condition mediated through gastric acid secretion for reducing the volume and the acidity of gastric juice.
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: March 24, 1987
    Assignee: Medosan Industrie Biochimiche Riunite S.p.A.
    Inventor: Alessandro Baglioni
  • Patent number: 4652652
    Abstract: A useful intermediate for synthesizing penicillins or cephalosporins {i.e., 1-(2-protected amino-4-thiazolyl)propene-1,3-dicarboxylic acid half ester (VI)} is prepared by a process comprising (1) treating haloacetylmalonic acid ester (I) with thiourea to give 2-(2-amino-4-thiazolyl)malonic acid ester (II), (2) protecting the amino group of the latter to give 2-(2-protected amino-4-thiazolyl)malonic acid ester (III), (3) treating the product with haloalkenoic acid ester to give 1-(2-protected amino-4-thiazolyl)-2-propene-(1,1,3-tri or 1,1,3,3-tetra)carboxylic acid ester (IV), (4) hydrolyzing and decarboxylating the latter to give 1-(2-protected amino-4-thiazolyl)propene-1,3-dicarboxylic acid (V), and (5) treating the product with alcohol and a hemi-esterifying reagent to give the objective 1-(2-protected amino-4-thiazolyl)propene-1,3-dicarboxylic acid half ester (VI).
    Type: Grant
    Filed: June 19, 1985
    Date of Patent: March 24, 1987
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiromu Matsumura, Toshisada Yano
  • Patent number: 4652651
    Abstract: The manufacture of 1-sulpho-2-oxazetidine derivatives of the formula ##STR1## in which Het is an optionally amino-substituted, 5- or 6-membered, aromatic heterocycle containing 1 or 2 nitrogen atoms and optionally also an oxygen or sulphur atom, R.sup.1 is hydrogen, lower alkyl, phenyl-lower alkyl, lower alkanoyl, lower alkoxycarbonyl, lower alkenyl-lower alkyl, lower alkoxycarbonyl-lower alkyl, phenyl-lower-alkoxycarbonyl-lower alkyl, nitrophenyl-lower-alkoxycarbonyl-lower alkyl or carboxy-lower alkyl and R.sup.2 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxycarbonyl, lower alkanoyloxy-lower alkyl, lower alkoxycarbonyl-lower alkenyl, hydroxyiminomethyl, lower alkoxyiminomethyl, carbamoyl, carbamoyl-lower alkenyl or carbamoyloxy-lower alkyl, the group .dbd.NOR.sup.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: March 24, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Andre Furlenmeier, Werner Hofheinz, Christian N. Hubschwerlen, Hans P. Isenring
  • Patent number: 4652667
    Abstract: A process is provided for the transesterification of carbonate esters and carboxylic acid esters at elevated temperatures and in the presence of an effective amount of an amidine compound.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: March 24, 1987
    Assignee: BP Chemicals Limited
    Inventor: Michael J. Green