Patents Represented by Attorney Frederik W. Stonner

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  • Preserving and disinfecting method employing certain bis-oxazolidines
    Patent number: 4148905
    Abstract: A method for preventing or retarding the growth of bacteria and fungi in a material which comprises treating the material with N,N'-methylene-bis-(oxazolidines) and -(tetrahydro-1,3-oxazines), and certain novel N,N'-methylenebis-(oxazolidines).
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: April 10, 1979
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Karl-Heinz Diehl
  • Aqueous peroxy-containing concentrate
    Patent number: 4129517
    Abstract: A stable aqueous peroxy-containing concentrate containing by weight of the concentrate 1 to 60 percent of perglutaric acid; 1 to 50 percent of hydrogen peroxide; 0.01 to 2 percent of a stabilizing agent for the perglutaric acid and hydrogen peroxide; and the remainder to 100 percent water.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: December 12, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Wolfgang Beilfuss
  • 2-Phenyl- and 2-benzyl-N-[(trichloromethyl)thio]succinimides, and fungicidal compositions thereof
    Patent number: 4122185
    Abstract: N-[(Trichloromethyl)thio]succinimides of the formula ##STR1## WHERE R.sub.1, R.sub.2 and R.sub.3 independently are hydrogen or alkyl having from 1 to 6 carbon atoms, and n is zero or the integer 1, having antifungal activity, a method of use thereof as antifungal agents, and antifungal compositions comprising them are disclosed.
    Type: Grant
    Filed: August 1, 1977
    Date of Patent: October 24, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Wilhelm Sandermann, Heinz Eggensperger, Karl-Heinz Diehl
  • Octahydro-N-[(trichloromethyl)thio]-naphthalenedicarboximides
    Patent number: 4087540
    Abstract: The invention relates to 1,2,3,5,6,7,8,8a-octahydro-4,7-dimethyl-N-[(trichloromethyl)thio]-1,2-naph thalenedicarboximide, 1,2,3,4,4a,5,6,7-octahydro-2,2-dimethyl-N-[(trichloromethyl)thio]-1,3-meth anonaphthalene-5,6-dicarboximide, and 1,2,3,4,5,6,7,8-octahydro-5,5-dimethyl-N-[(trichloromethyl)thio]-2,3-napht halenedicarboximide having fungicidal activity, to fungicidal compositions containing them, and to methods for their use.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: May 2, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Wilhelm Sandermann, Heinz Eggensperger, Karl-Heinz Diehl
  • 2-Alkenyl-N-[(trichloromethyl)thio]succinimides
    Patent number: 4085220
    Abstract: The invention relates to 2-R-N-[(trichloromethyl)thio]succinimides, where R is alkenyl having from 8 to 12 carbon atoms, useful as fungicidal agents, to fungicidal compositions containing them, and to methods for their use.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: April 18, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Wilhelm Sandermann, Heinz Eggensperger, Karl-Heinz Diehl
  • 3-Hydroxy carbazole derivatives
    Patent number: 4062864
    Abstract: 3-(Substituted-amino)-1,2,3,4-tetrahydrocarbazoles are prepared by reacting appropriate 4-substituted-aminocyclohexanones with a phenylhydrazine, by reacting a 3-(sulfonyloxy)-1,2,3,4-tetrahydrocarbazole with an appropriate substituted amine, or by reduction of an appropriate 3-(acylamino)-1,2,3,4-tetrahydrocarbazole. The 3-(substituted-amino)-1,2,3,4-tetrahydrocarbazoles of this invention have analgetic and psychotropic activities. Moreover, certain of these compounds also have antihistaminic activity.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: December 13, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Aram Mooradian
  • 2,5-Bis(benzyloxy)tetrahydrofuran
    Patent number: 4059596
    Abstract: There is disclosed a method for controlling bacteria, fungi and spores which comprises applying thereto a 2,5-disubstituted-di (or tetra) hydrofuran, a process for preparation of such furans, and the novel compound 2,5-bis (benzyloxy) tetrahydrofuran.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: November 22, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Wolfgang Beilfuss, Helmut Hermann Ehlers
  • 1-Phenyl-3,4-dihydrocarbostyrils
    Patent number: 4058532
    Abstract: The invention relates to novel 1-(4-R.sub.1 O-phenyl)-2-(4-R.sub.2 -phenyl)-6-R.sub.3 -1,2,3,4-tetrahydroquinolines having antifertility and hypocholesterolemic activities, to their preparation, and to novel intermediates therefor.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: November 15, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Malcolm R. Bell
  • 1-Phenyl-3-azacarbocyclic-ureas
    Patent number: 4052382
    Abstract: The compounds of this invention are 1-phenyl-3-azacarbocyclic-ureas having anthelmintic activity which are prepared by the reaction of azacarbocyclicamines or azacarbocyclicimines with appropriate phenyl isocyanates.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: October 4, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • 3-[2-(4-Anisidino)phenyl]-1-phenyl-1-propiophenones and propanols
    Patent number: 4049715
    Abstract: The invention relates to novel 1-(4-R.sub.1 O-phenyl)-2-(4-R.sub.2 -phenyl)-6-R.sub.3 -1,2,3,4-tetrahydroquinolines having anti-fertility and hypocholesterolemic activities, to their preparation, and to novel intermediates therefor.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: September 20, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Malcolm R. Bell
  • Preservative and disinfectant
    Patent number: 4040977
    Abstract: The invention relates to preservative and disinfecting compositions for aqueous emulsions, suspensions and solutions which are obtained by reaction in water of a haloacetamide or thiocyanoacetamide or mixture thereof; an alcohol or mixture of alcohols; and formaldehyde.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: August 9, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Karl-Heinz Diehl
  • Alkanimidoylthioureas
    Patent number: 4039575
    Abstract: The compounds of this invention are novel alkanimidoylthioureas having antifertility activity. They are prepared by the reaction of appropriate alkanamidines with appropriate isothiocyanates.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: August 2, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • 9-Benzoyl,3-hydroxymethyl-1,2,3,4-tetrahydro-carbazole
    Patent number: 4028382
    Abstract: 9-Benzoyl-3-hydroxymethyl-1,2,3,4-tetrahydrocarbazole and 9-benzoyl-3-(N-phenylcarbamoyloxymethyl)-1,2,3,4-tetrahydrocarbazole, having respectively antiinflammatory and antibacterial activities, and their preparation are described.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: June 7, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Ernest John Alexander, Aram Mooradian
  • 1-Phenyl-3-azacarbocyclic-ureas
    Patent number: 4026938
    Abstract: The compounds of this invention are novel 1-phenyl-3-azacarbocyclic-ureas having anthelmintic activity which are prepared by the reaction of azacarbocyclicamines or azacarbocyclicimines with appropriate phenyl isocyanates.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: May 31, 1977
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • Disinfectant furans
    Patent number: 4004024
    Abstract: There is disclosed a method for controlling bacteria, fungi and spores which comprises applying thereto a bactericidally, fungicidally and sporicidally effective amount of a furan selected from 2-(R.sub.1 O)-5-(R.sub.2 O)-2,5-dihydrofuran and 2-(R.sub.1 O)-5-(R.sub.2 O)-tetrahydrofuran or mixtures thereof; a process for preparing a 2,5-bis(R.sub.1 O)-2,5-tetrahydrofuran and 2,5-bis(R.sub.1 O)-tetrahydrofuran; and novel 2,5-bis(benzyloxy)tetrahydrofuran.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: January 18, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Wolfgang Beilfuss, Helmut Hermann Ehlers
  • 9-Benzoyl-1,2,3,4-tetrahydrocarbazole
    Patent number: 4001270
    Abstract: 9-Benzoyl-3-hydroxymethyl-1,2,3,4-tetrahydrocarbazole and 9-benzoyl-3-(N-phenylcarbamoyloxymethyl)-1,2,3,4-tetrahydrocarbazole, having respectively antiinflammatory and antibacterial activities, and their preparation are described.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: January 4, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Ernest John Alexander, Aram Mooradian
  • Certain 1,2-diphenyl-1,2,3,4-tetrahydroquinoline compounds
    Patent number: 3994902
    Abstract: The invention relates to novel 1-(4-R.sub.1 O-phenyl)-2-(4-R.sub.2 -phenyl)-6-R.sub.3 -1,2,3,4-tetrahydroquinolines having antifertility and hypocholesterolemic activities, to their preparation, and to novel intermediates therefor.
    Type: Grant
    Filed: October 1, 1973
    Date of Patent: November 30, 1976
    Assignee: Sterling Drug Inc.
    Inventor: Malcolm R. Bell
  • Preserving and disinfecting composition
    Patent number: 3988452
    Abstract: This invention provides a composition comprising a synergistic combination of (a) a product obtained by reacting formaldehyde with an alcohol selected from benzyl alcohol, a glycol or a glycol mono-alkyl ether, or mixtures of said alcohols, and (b) a 3,5-bis(alkoxyalkyl)-tetrahydro-2H-1,3,5-thiadiazine-2-thione useful in preserving and/or disinfecting industrial fluids, cosmetics and pharmaceutical preparations.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: October 26, 1976
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Karl-Heinz Diehl
  • Anthelmintic 1-(substituted phenyl)-3-alkanimidoyl ureas
    Patent number: 3984467
    Abstract: The compounds of this invention are novel imidoylureas having anthelmintic activity and imidoylthioureas having antifertility activity. They are prepared by the reaction of appropriate amidines with appropriate isocyanates or isothiocyanates.
    Type: Grant
    Filed: November 21, 1973
    Date of Patent: October 5, 1976
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • 1,2,3,4-Tetrahydrocarbazoles
    Patent number: 3979391
    Abstract: Novel 4-R.sub.1 R.sub.2 NCH.sub.2 -9-benzyl-6-R.sub.3 -7-R.sub.4 -1,2,3,4-tetrahydrocarbazoles having antibacterial activity are disclosed. The compounds are prepared by the chemical reduction of the corresponding 4-R.sub.1 R.sub.2 NCO-9-benzyl-6-R.sub.3 -7-R.sub.4 -1,2,3,4-tetrahydrocarbazoles.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: September 7, 1976
    Assignee: Sterling Drug Inc.
    Inventors: Ernest John Alexander, Aram Mooradian