Patents Examined by R. Gallagher
  • Patent number: 3997541
    Abstract: New lactones of the benzazaxanthene series, their production from benzoylbenzoic acids and homophthalimides and their use as dye-forming components in the red range for pressure-sensitive recording materials.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: December 14, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst Schefczik, Hellmut Kast
  • Patent number: 3994913
    Abstract: 2,5-Dichloro-thiazolo[4,5-d]thiazole, which is useful as a fungicide, is prepared by reacting compounds having the formula ##EQU1## wherein X.sub.1 is Cl, andX.sub.2 is H or Cl orX.sub.1 and X.sub.2 together form a C-C bondIn the temperature range of 150.degree. to 300.degree. C, with at least the stoichiometrically required amount of sulphur.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: November 30, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunther Beck, Helmut Heitzer, Hans Holtschmidt
  • Patent number: 3993658
    Abstract: This invention relates to novel compounds of the isoindolenine series. More particularly, the present invention relates to certain novel 1-imino-3-(4-imino-5-thiazolidinylidene)isoindolines, 1-imino-3-(4-imino-2-thiazolin-5-ylidene)isoindolines, water-insoluble pigments prepared therefrom, and to methods for their preparation.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: November 23, 1976
    Assignee: Sterling Drug Inc.
    Inventors: Nathan N. Crounse, Nicholas A. Ambrosiano
  • Patent number: 3989710
    Abstract: Novel carbonic acid derivatives of 2-mercapto-4,5-dichloro-thiazole which has the formula ##SPC1##In whichX is oxygen or sulfurY is a radical -OR, -SR or ##EQU1## are outstandingly effective herbicides exhibiting particularly pronounced post-emergence activity.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: November 2, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue
  • Patent number: 3989716
    Abstract: This invention discloses novel pyrrylfluoran compounds useful as the color-precursors or imaging sources in pressure-sensitive copy papers and in thermally-sensitive imaging papers, and a process for preparing these compounds which involves reacting under mild acid catalysis a mixture containing equimolar parts of a 2-amino-6-dialkylaminofluoran and a diketone taken from the group consisting of acetonylacetone, 2,5-heptanedione and 3,6-octanedione.
    Type: Grant
    Filed: April 29, 1975
    Date of Patent: November 2, 1976
    Assignee: The Mead Corporation
    Inventor: Sydney M. Spatz
  • Patent number: 3985752
    Abstract: 6-Methyl-8-(substituted)methylergolines, useful as prolactin inhibitors.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: October 12, 1976
    Assignee: Eli Lilly and Company
    Inventors: Edmund C. Kornfeld, Nicholas J. Bach
  • Patent number: 3975384
    Abstract: Compounds of the formula ##SPC1##WhereinR.sub.1 is alkoxy of 1 to 3 carbon atoms, morpholino, thiomorpholino, 1-oxido-thiomorpholino, 1,1-dioxido-thiomorpholino, or ##EQU1## where A is hydrogen, alkanoyl of 1 to 4 carbon atoms, alkenoyl of 2 to 4 carbon atoms, methoxy-(alkanoyl of 1 to 4 carbon atoms), carboxyl-(alkanoyl of 1 to 4 carbon atoms), acetyl-(alkanoyl of 1 to 4 carbon atoms), methoxy-(alkenoyl of 2 to 4 carbon atoms), carboxyl-(alkenoyl of 2 to 4 carbon atoms), acetyl-(alkenoyl of 2 to 4 carbon atoms), aminocarbonyl, mono(alkyl of 1 to 4 carbon atoms)-aminocarbonyl, di-(alkyl of 1 to 4 carbon atoms)-aminocarbonyl, methoxymethylaminocarbonyl, pyridinoyl, salicyloyl, furanoyl, or (alkyl of 1 to 3 carbon atoms)-sulfonyl,R.sub.2 is morpholino, thiomorpholino, 1-oxido-thiomorpholino, 1,1-dioxido-thiomorpholino, piperazino or N'-[acetyl-(alkanoyl of 1 to 3 arbon atoms)]-piperazino,R.sub.3 is hydrogen, chlorine, bromine, nitro, cyano, formyl, acetyl or carbalkoxy of 2 to 4 carbon atoms, andR.sub.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: August 17, 1976
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Berthold Narr, Josef Roch, Erich Muller, Walter Haarmann
  • Patent number: 3974162
    Abstract: The compounds ##SPC1##In which the symbol A represents a carbon or nitrogen atom, X represents --Cl, lower alkoxy or the substituted amino group ##SPC2##Y represents --Cl, lower alkoxy, ##SPC3##With the proviso that when Y is --Cl, X and Z are other than --Cl, and Z represents --H, --Cl, --OCH.sub.2 CO.sub.2 R, --SCH.sub.2 C.tbd.CH, ##SPC4##wherein R and R.sup.2 are --H or lower alkyl,R.sup.3 is --H, --Cl or lower alkyl, and n represents one of the integers 0 and 1, exhibit anti-lipemic activity and/or central nervous system depressant activity in warm-blooded animals.
    Type: Grant
    Filed: December 21, 1972
    Date of Patent: August 10, 1976
    Assignee: American Home Products Corporation
    Inventors: Arthur A. Santilli, Anthony C. Scotese, Rudolph R. Tomarelli
  • Patent number: 3972891
    Abstract: 1-Phenoxy-1-[halo-1,2,4-triazolyl-(1)]-3,3-dimethyl-butan-2-ones of the formula ##SPC1##In whichX is halogen, nitro, alkyl, haloalkyl or phenyl,n is an integer from 0 to 5, andR.sup.1 and R.sup.2 each independently is halogen or hydrogen, provided at least one is halogen,Which possess fungicidal properties.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: August 3, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 3966754
    Abstract: Sulfonic acid esters of the formulaR.sub.1 -- SO.sub.2 -- O -- R.sub.2whereinR.sub.1 represents alkyl or alkenyl, andR.sub.2 represents an unsubstituted or substituted heteroaromatic five-membered ring having three hetero atoms, processes for their manufacture, and their use in pest control.
    Type: Grant
    Filed: June 12, 1974
    Date of Patent: June 29, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Beat Bohner, Dag Dawes, Willy Meyer, Haukur Kristinsson, Kurt Rufenacht
  • Patent number: 3966762
    Abstract: Novel 2-(aminoalkyl)-6,7-dihydroindolo[1,7-ab][1]benzazepines and acid-addition salts thereof having antibacterial activity, and intermediate and process for the preparation thereof are disclosed.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: June 29, 1976
    Assignee: Sterling Drug Inc.
    Inventor: John Ernest Alexander
  • Patent number: 3965110
    Abstract: 2-amino-5-(substituted or unsubstituted phenylalkyl)-1,3,4-thiadiazoles, e.g., 2-amino-5-(3-trifluoromethylbenzyl)-1,3,4-thiadiazole, prepared, e.g., by ring closure, of corresponding 1-(substituted or unsubstituted phenylalkanoyl)-thio-semicarbazide in a strong acid medium. The compounds are useful as minor tranquilizers and sleep inducers.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: June 22, 1976
    Assignee: Sandoz, Inc.
    Inventors: Marcel K. Eberle, Robert E. Manning
  • Patent number: 3960866
    Abstract: 1-AZA-2-HYDROXYBENZANTHRONE, USEFUL AS AN INTERMEDIATE FOR SYNTHESIZING DYES IS OBTAINED BY THE DIRECT REACTION OF ALKYL ESTERS OF ANTHRAQUINONE-1-ACETIC ACID WITH AMMONIA IN HYDROXYLATED SOLVENTS AND IN THE PRESENCE OF STRONG BASES AND/OR REDUCING SUBSTANCES.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: June 1, 1976
    Assignees: Montedison S.p.A., Aziende Colori Nazionali Affini ACNA S.p.A.
    Inventors: Giuseppe Ribaldone, Giampiero Borsotti, Franco Gonzati
  • Patent number: 3960881
    Abstract: Certain thiazolidine- and thiazine-2-thione compounds, including 4-carboxythiazolidine-2-thione and 3,4-tetramethylene-4H,5,6-dihydro-1,3-thiazine-2-thione, and methods for preparing same are disclosed.
    Type: Grant
    Filed: February 12, 1974
    Date of Patent: June 1, 1976
    Assignee: Phillips Petroleum Company
    Inventors: Jack E. Reece, George B. Fozzard
  • Patent number: 3959301
    Abstract: 5-Aryl-tetrazoles may be reacted with thiophosgene to yield 2-chloro-5-aryl-1,3,4-thiadiazoles which have unusually selective phytotoxic properties, being particularly useful in combating crabgrass and algae.
    Type: Grant
    Filed: December 13, 1971
    Date of Patent: May 25, 1976
    Assignee: Gulf Research & Development Company
    Inventor: Norman A. Dahle
  • Patent number: 3959310
    Abstract: Cationic dyestuffs and processes for their manufacture and their use for dyeing, printing and bulk dyeing of natural and synthetic materials, particularly of polyacrylonitrile and copolymers of acrylonitrile with other vinyl compounds, acid modified aromatic polyesters and acid modified polyamides.
    Type: Grant
    Filed: January 19, 1973
    Date of Patent: May 25, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alfred Brack, Ernst Schmitt
  • Patent number: 3957808
    Abstract: Disclosed are certain novel 3-alkoxyisothiazoles. The 3-alkoxyisothiazoles and compositions containing them exhibit useful biocidal properties.
    Type: Grant
    Filed: September 3, 1969
    Date of Patent: May 18, 1976
    Assignee: Rohm and Haas Company
    Inventors: George A. Miller, Sheldon N. Lewis
  • Patent number: 3957809
    Abstract: Novel thiazole derivatives of the formula ##EQU1## wherein R is alkyl of 2 to 12 carbon atoms and R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 12 carbon atoms having hypolipemiant activity with a very prolonged vasodilatatory activity and their preparation.
    Type: Grant
    Filed: August 8, 1974
    Date of Patent: May 18, 1976
    Assignee: Roussel-UCLAF
    Inventors: Michel Hardy, Daniel Humbert
  • Patent number: 3957818
    Abstract: Catalytic dehydrogenation of .DELTA.-2,.alpha.-pyrrolidenemalonates and .DELTA.-2,.alpha.-pyrrolidenemalononitriles yields pyrrole-2-acetates and pyrrole-2-acetonitriles, respectively. Subsequent hydrolysis of the latter affords pyrrole-2-acetic acids.
    Type: Grant
    Filed: November 7, 1974
    Date of Patent: May 18, 1976
    Assignee: McNeil Laboratories, Incorporated
    Inventor: John Robert Carson
  • Patent number: 3956314
    Abstract: Phenyl-2-pyrrolidinones of the formula ##SPC1##Wherein R is a halogen or trifluoromethyl, R.sub.1 is lower alkyl, lower alkenyl, lower alkynyl, phenyl or halogen-substituted phenyl, R.sub.2 is hydrogen, lower alkyl or phenyl and R.sub.3 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, cyclopentyl or benzyl, as well as the cis and trans diastereoisomers thereof, are active on the central nervous system. In particular they have valuable anxiolytic and antidepressive properties. Processes for their preparation are given.
    Type: Grant
    Filed: November 20, 1973
    Date of Patent: May 11, 1976
    Assignee: U.C.B., Societe Anonyme
    Inventors: Joseph Honore Strubbe, Raymond Armand Linz