Patents Examined by G. Thomas Todd
  • Patent number: 4014886
    Abstract: Novel 2-substituted-5,6-dimethoxyindazoles of the formula: ##STR1## where R is cyclohexyl, phenethyl, phenyl, dimethylamino, aminoalkyl, methoxyethyl, indazolylethyl, tetrahydropyranylmethyl, p-dimethylaminophenyl, 2-hydroxyethyl, allyl, thiazolyl, pyridyl, 2,3-dihydroxypropyl, and hydroxy are useful as central nervous system depressants or hypotensive agents.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: March 29, 1977
    Assignee: Morton-Norwich Products, Inc.
    Inventors: Thomas J. Schwan, Charles S. Davis, LeRoy J. Honkomp
  • Patent number: 4015007
    Abstract: Compounds of the class of spiro[norbornane-2,3'-piperidines], spiro[bicyclo[2.2.2]octane-2,3'-piperidines], and corresponding spiro-pyrrolidine derivatives which are unsubstituted at the ring nitrogen atom or substituted by neutral or basic radicals, and the pharmaceutically acceptable acid addition salts of these new compounds possess valuable pharmacological properties and are active ingredients for pharmaceutical compositions. In particular, these new compounds have an antiviral activity. Specific embodiments are (1RS,2RS,4SR)-spiro[norbornane-2,3'-piperidine]-hydrochloride and 1'-[2-(2-azaspiro[5.5]undec-2-yl)-ethyl]-spiro[bicyclo[2.2.2]octane-2,3'-p iperidine]-dihydrochloride.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: March 29, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl Schaffner, Alex Meisels, Jean Claude Roger, Claus D. Weis
  • Patent number: 4013668
    Abstract: This invention encompasses novel 5-[1,1-diphenyl-3-(5-or 6-hydroxy-2-azabicyclo[2.2.2]oct-2-yl)propyl]-2-alkyl-1,3,4-oxadiazoles and their lower O-alkanoyl derivatives. These compounds are useful anti-diarrheal agents and also possess little or no analgesic activity.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: March 22, 1977
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Aziz Karim, Chung H. Yen
  • Patent number: 4013667
    Abstract: This invention encompasses novel 2,2-diaryl-3-(1-azabicyclo[2.2.2]oct-2-yl)propionamides and intermediates thereto. These compounds are useful anti-diarrheal agents which possess little or no analgesic activity.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: March 22, 1977
    Assignee: G. D. Searle & Co.
    Inventor: Chung H. Yen
  • Patent number: 4013641
    Abstract: This invention relates to substituted indolobenzoxazepines which act as central nervous system depressants and as such are useful as tranquillizers.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: March 22, 1977
    Assignee: Xerox Corporation
    Inventor: Richard E. Brown
  • Patent number: 4012393
    Abstract: This invention encompasses novel 2-[5-(cyclic amino)ethyl-10,11-dihydro-5H-dibenzo[a,d] cyclohepten-5-yl]-5-alkyl-1,3,4-oxadiazoles and congeners, useful as anti-diarrheal agents.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: March 15, 1977
    Assignee: G. D. Searle & Co.
    Inventors: Charles S. Markos, Chung H. Yen
  • Patent number: 4012394
    Abstract: 3-Indolyl pyridyl ketones of the general formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof wherein R.sub.1 representsA straight- or branched-chain saturated or unsaturated alkyl group having not more than 6 carbon atoms, a benzyl group optionally substituted in the aromatic portion by a chlorine atom or a methoxy groupOr ##STR2## wherein A represents an alkylene chain of from 2 to 6 carbon atoms and R.sub.4 and R.sub.5, which may be the same or different, are each an alkyl group having from 1 to 5 carbon atoms, or R.sub.4 and R.sub.5 are joined together to form with the nitrogen atom a piperidino, pyrrolidino or morpholino group,R.sub.2 representsA branched-or straight-chain alkyl group having from 1 to 4 carbon atoms, a phenyl group optionally substituted by a fluorine, chlorine, or bromine atom or a methoxy or cyclohexyl group; andR.sub.3 representsA 2-pyridyl, 3-pyridyl or 4-pyridyl group.They are effective as fibrinolytic and anti-inflammatory agents.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: March 15, 1977
    Assignee: Labaz
    Inventors: Marcel Descamps, Henri Inion
  • Patent number: 4011331
    Abstract: The invention relates to a compound of formula I ##STR1## or pharmaceutically acceptable acid addition salts thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and represent hydrogen, or lower alkyl, and R.sup.6 represents hydrogen, alkyl or 1 to 3 carbon atoms, which may be substituted by diloweralkylamino; lower alkanoyl or aroyl.The compounds are either anti-ulcer agents or intermediates for such compounds.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: March 8, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Adrian Charles Ward Curran
  • Patent number: 4011330
    Abstract: The invention provides compounds of formula ##STR1## wherein A and B are hydrogen and R is hydrogen or cycloalkyl, or A and B together form an additional bond and R is cycloalkyl or cycloalkyl-alkyl. Useful in treating pathological disturbancies involving an anoxia factor.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: March 8, 1977
    Assignee: Synthelabo
    Inventors: Don Pierre Rene Lucien Giudicelli, Henry Najer, Patrick Andre Louis Lardenois, Jean Pierre Gaston Lefevre, Bogdan Iliesco-Branceni, Icilio Angelo Girolamo Cavero
  • Patent number: 4009170
    Abstract: 1-(2-Substituted-hydrazino)-3,4-dihydroisoquinolines, prepared in one process by alkylating the corresponding 3,4-dihydroisocarbostyrils, hydrazinolyzing the resulting 1-alkoxy-3,4-dihydroisoquinolines and condensing the resulting 1-hydrazIno-3,4-dihydroisoquinolines with aldehydes or ketones, and 1,1'-azinobis(1,2,3,4-tetrahydroisoquinolines), prepared by condensing corresponding 1-alkoxy-3,4-dihydroisoquinolines and 1-hydrazino-3,4-dihydroisoquinolines, are useful as antihypertensive agents and/or as antiinflammatory agents.
    Type: Grant
    Filed: August 1, 1972
    Date of Patent: February 22, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • Patent number: 4009187
    Abstract: This invention relates to novel octanoic acid derivatives of therapeutical value, and to methods for producing the same.
    Type: Grant
    Filed: March 15, 1973
    Date of Patent: February 22, 1977
    Assignee: Aktieselskabet Grindstedvaerket
    Inventors: Rune Eliasson, Poul Nedenskov
  • Patent number: 4009171
    Abstract: 11-Oxygenated-2,6-methano-3-benzazocines N-alkylated by alkylmethyl, haloalkenylmethyl, alkynylmethyl, cycloalkylmethyl, cycloalkenylmethyl, cycloalkyl or 2-cycloalkenyl are prepared directly by N-alkylation of the corresponding N-H intermediates or indirectly by N-acylation of the corresponding N-H intermediates followed by reduction of the resulting N-acylated intermediates and are useful as antagonists of narcotic analgesics.
    Type: Grant
    Filed: February 21, 1974
    Date of Patent: February 22, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Noel F. Albertson
  • Patent number: 4009172
    Abstract: A novel procedure for the preparation of biotin, using cysteine as the starting material is disclosed. This process results in the obtention of pure d-biotin thus obviating the need for a chemical resolution. Novel intermediates are also disclosed.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: February 22, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Enrico Baggiolini, Pasquale Nicholas Confalone, Giacomo Pizzolato, Milan Radoje Uskokovic
  • Patent number: 4008240
    Abstract: Novel 2,7-bis basic alkanol derivatives of xanthene and thioxanthene, their preparation and use for the prevention and inhibition of viral infections are disclosed.
    Type: Grant
    Filed: December 21, 1972
    Date of Patent: February 15, 1977
    Assignee: Richardson-Merrell Inc.
    Inventors: Arthur D. Sill, Francis W. Sweet
  • Patent number: 4007196
    Abstract: The invention relates to new 3-substituted 1-alkyl-4-phenylpiperidines, being useful as antidepressant and anti-Parkinson agents, and to their production.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: February 8, 1977
    Assignee: A/S Ferrosan
    Inventors: Jorgen Anders Christensen, Richard Felt Squires
  • Patent number: 4005208
    Abstract: The compounds are N-piperidinyl and pyrrolidinyl-9-xanthenylamines which are inhibitors of gastric acid secretion.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: January 25, 1977
    Assignee: SmithKline Corporation
    Inventors: Paul E. Bender, Bernard Loev
  • Patent number: 4003903
    Abstract: N-acyl-N-norsalutaridines can be made by oxidative coupling of N-acyl-N-norreticulines using thallium tristrifluoroacetate or a coordinating agent and an oxidizing agent. The N-acyl-N-norsalutaridines can be converted to thebaine, N-northebaine, and N-substituted-N-northebaines, which can be converted to opium alkaloids and related compounds.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: January 18, 1977
    Assignee: Florida Board of Regents
    Inventor: Martin Alan Schwartz
  • Patent number: 4003905
    Abstract: Compounds having the structure ##STR1## and pharmaceutically acceptable salts thereof, wherein Z is oxygen, sulfur or methylene; R.sub.1 is hydrogen, halogen, alkyl, aryl or arylalkyl; R.sub.2 is hydrogen, alkyl, aryl, or arylalkyl; R.sub.3 is hydrogen, alkyl, aryl or arylalkyl; and R.sub.4 is hydrogen, halogen, alkyl, phenyl, dialkylamidosulfonyl or trifluoromethyl, have useful central nervous system activity.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: January 18, 1977
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Harry L. Yale, James A. Bristol
  • Patent number: 4001251
    Abstract: Vincamine and/or its stereoisomers, a known drug, is made from vincaminol and/or its stereoisomers by successive conversion of the latter into apovincaldehyde, apovincamine, and 16-methoxycarbonyl-eburnane, followed by conversion of the last into vincamine either directly by introduction of a 16-hydroxyl group or by hydrolysis, introduction of a 16-hydroxyl group, and re-esterification.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: January 4, 1977
    Assignee: Synthelabo
    Inventors: Henry Najer, Yves Robert Alain Pascal
  • Patent number: RE29153
    Abstract: Pyridinium, pyridazinium, pyrimidinium, and pyrazinium halides, respectively having an N-(phenacyl) substituent and the corresponding ylids obtained therefrom by alkaline treatment which compounds are useful as herbicides and/or insecticides.
    Type: Grant
    Filed: February 19, 1974
    Date of Patent: March 15, 1977
    Assignee: Monsanto Company
    Inventor: Wendell Gary Phillips