Patents by Inventor William L. Studt

William L. Studt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Triazinones
    Patent number: 4452980
    Abstract: Novel s-triazine compounds are prepared as derivatives of the corresponding amidinourea and amidinothiourea compounds by reacting with an activated form of an acid amide to give substituted s-triazinones and thiones respectively, of the formula ##STR1## The s-triazinones and thiones are useful derivatives in analyzing for the corresponding amidinourea or amidino thiourea precursors and also have useful pharmacological properties which make them suitable for a variety of medicinal purposes including use as antidiarrheal agents.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: June 5, 1984
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky
  • Pyridyl alkylene amidinoureas
    Patent number: 4443456
    Abstract: This invention relates to a novel class of amidinourea and amidinothiourea compounds wherein the urea nitrogen atom is substituted by a heterocyclic alkylene group, and their use in pharmaceutical preparations which are useful for producing anti-ulcerogenic, antisecretory, antispasmodic, antihypertensive, anesthetic, anti-arrhythmic, antidiarrheal and antiparasitic action.
    Type: Grant
    Filed: May 12, 1981
    Date of Patent: April 17, 1984
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson, Harry K. Zimmerman
  • Amidinoureas
    Patent number: 4440949
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: December 30, 1980
    Date of Patent: April 3, 1984
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Heterocyclic amidinoureas
    Patent number: 4436911
    Abstract: This invention relates to a novel class of heterocyclic amidinourea and heterocylic amidinothiourea compounds wherein the heterocyclic substitution is at the 1-N urea nitrogen atom. These compounds exhibit pharmaceutical activity and may be incorporated into pharmaceutical preparations for producing anti-ulcerogenic, antisecretory, antispasmodic, antimotility, cardiovascular, antidiarrheal or antiparasitic action.
    Type: Grant
    Filed: May 12, 1981
    Date of Patent: March 13, 1984
    Assignee: William H. Rorer, Inc.
    Inventors: William L. Studt, Harry K. Zimmerman, George H. Douglas
  • Amidinothioureas
    Patent number: 4418209
    Abstract: This invention describes a new class of 1-amidino-3-phenylthiourea and N'-phenylamidinothiourea compounds wherein the phenyl group is ortho substituted, and processes for their preparation. The phenylamidinothiourea compounds may be incorporated into pharmaceutical preparations which are useful for producing anti-ulcerogenic, antisecretory, antispasmodic, antihypertensive, anti-arrhythmic, anesthetic, antidiarrheal and antiparasitic action.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: November 29, 1983
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, Julius Diamond, William L. Studt, Stuart A. Dodson
  • Heterocyclic alkylene triazinones
    Patent number: 4387225
    Abstract: Heterocyclic alkyl s-triazine compounds are prepared from the corresponding amidinourea and amidinothiourea compounds by reacting with an activated form of an acid amide to give respectively substituted s-triazinones and thiones of the formula ##STR1## which have pharmacological properties that render them suitable for use for a variety of medicinal purposes, including use as antidiarrheal agents, and which are also useful derivatives in analyzing for the corresponding amidinourea or amidinothiourea precursors.
    Type: Grant
    Filed: May 12, 1981
    Date of Patent: June 7, 1983
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky
  • Triazinones
    Patent number: 4338441
    Abstract: Novel s-triazine compounds are prepared as derivatives of the corresponding amidinourea and amidinothiourea compounds by reacting with an activated form of an acid amide to give substituted s-triazinones and thiones respectively, of the formula ##STR1## The s-triazinones and thiones are useful derivatives in analyzing for the corresponding amidinourea or amidinothiourea precursors and also have useful pharmacological properties which make them suitable for a variety of medicinal purposes including use as antidiarrheal agents.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: July 6, 1982
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky
  • Method for blocking high frequency nerve stimulation
    Patent number: 4298608
    Abstract: 1,4-Disubstituted-1,2-dihydro-1,3,5-triazin-2-ones are used to block conduction of high frequency nerve impulses by selectively acting to substantially completely block high frequency impulses without significantly blocking conduction of a single impulse. The effect is reversible when the drug is withdrawn.
    Type: Grant
    Filed: April 11, 1980
    Date of Patent: November 3, 1981
    Assignee: William H. Rorer, Inc.
    Inventors: George A. Condouris, John Yelnosky, Richard L. Riley, Chong M. Won, George H. Douglas, William L. Studt
  • Triazinones
    Patent number: 4246409
    Abstract: Novel s-triazine compounds are prepared as derivatives of the corresponding amidinourea and amidinothiourea compounds by reacting with an activated form of an acid amide to give substituted s-triazinones and thiones respectively, of the formula ##STR1## The s-triazinones and thiones are useful derivatives in analyzing for the corresponding amidinourea or amidino thiourea precursors and also have useful pharmacological properties which make them suitable for a variety of medicinal purposes including use as antidiarrheal agents.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: January 20, 1981
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky
  • Method for the treatment of diarrheal disease conditions and symptoms in mammals
    Patent number: 4242340
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: December 30, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Method for treatment of diarrheal disease conditions or symptons in mammals
    Patent number: 4242337
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: December 30, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Method for treatment of gastrointestinal secretory and ulcerogenic disease conditions or symptoms in mammals
    Patent number: 4242338
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: December 30, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Method for treatment of gastrointestinal spasmodic disease conditions or symptoms in mammals
    Patent number: 4242339
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: December 30, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Dysmenorrhea treatment
    Patent number: 4241087
    Abstract: Amidinoureas of the formula: ##STR1## when administered to females who suffer dysmenorrhea relieve discomfort and pain and prevent damage caused by abnormal uterine muscle spasms incident to dysmenorrhea.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: December 23, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: Ghulam N. Mir, Jacqueline B. Krebs, William L. Studt
  • Method for treatment of gastrointestinal spasmodic disease conditions or symptoms in mammals
    Patent number: 4218450
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: August 19, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson
  • Antisecretory triazinones
    Patent number: 4203984
    Abstract: 1,4-disubstituted-1,2-dihydro-1,3,5-triazine-2-ones and their pharmaceutically acceptable salts are used in the prevention and treatment of gastrointestinal disorders associated with hyperactivity of the secretory glands in the gastrointestinal tract.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 20, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, Ghulam N. Mir, Chong M. Won, William L. Studt
  • Method for blocking high frequency nerve stimulation
    Patent number: 4198408
    Abstract: 1,4-Disubstituted-1,2-dihydro-1,3,5-triazin-2-ones are used to block conduction of high frequency nerve impulses by selectively acting to substantially completely block high frequency impulses without significantly blocking conduction of a single impulse. The effect is reversible when the drug is withdrawn.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: April 15, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: George A. Condouris, John Yelnosky, Richard L. Riley, Chong M. Won, George H. Douglas, William L. Studt
  • Method for treatment of gastrointestinal secretory and ulcerogenic disease conditions or symptoms in mammals
    Patent number: 4169155
    Abstract: A new class of chemical compounds and their process of preparation is described. These compounds have valuable properties as anti-secretory, anti-spasmodic, anti-ulcerogenic and anti-diarrheal agents.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: September 25, 1979
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, William L. Studt, Stuart A. Dodson