Patents by Inventor Dahyabhai M. Patel

Dahyabhai M. Patel 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 from amidinoureas
    Patent number: 4225315
    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: September 30, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: Chong M. Won, Jerome J. Zalipsky, Dahyabhai M. Patel
  • Heterocyclic phenyl azo hydroxybenzenes
    Patent number: 4219474
    Abstract: The following novel azo compounds, pharmaceutically acceptable salts and process for preparing the same are disclosed: 2-[(p-(2-pyridylsulfamoyl)phenyl)azo]hydroxybenzene; 3-[(p-(2-pyridylsulfamoyl)phenyl)azo]salicylic acid; and 5-[(p-(4-(2-pyridylanilino))-N-phenyl)azo]salicylic acid.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: August 26, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: Jerome J. Zalipsky, Dahyabhai M. Patel
  • Antidiarrheal triazinones
    Patent number: 4203985
    Abstract: New compositions containing as the principle active ingredient a 1,4-disubstituted-1,2-dihydro-1,3,5-triazin-2-one are used for remedial or prophylactic treatment of diarrhea and organic gastrointestinal disorders accompanied by diarrheal symptoms.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 20, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: John Yelnosky, George H. Douglas, Ghulam N. Mir, Dahyabhai M. Patel, Chong M. Won, Ronald L. Alioto
  • Triazinones for veterinary use
    Patent number: 4198409
    Abstract: New compositions containing as the principle active ingredient a 1,4-disubstituted-1,2-dihydro-1,3,5-triazin-2-one are used for remedial or prophylactic treatment of diarrhea and organic gastrointestinal disorders accompanied by diarrheal symptoms.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: April 15, 1980
    Assignee: William H. Rorer, Inc.
    Inventors: John Yelnosky, George H. Douglas, Ghulam N. Mir, Dahyabhai M. Patel, Chong M. Won, Ronald L. Alioto