Patents by Inventor Jinhua J. Song

Jinhua J. Song 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).

  • Synthesis of heteroarylamine intermediate compounds
    Patent number: 6822093
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: November 23, 2004
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee
  • Preparation of aryl intermediates
    Publication number: 20040106807
    Abstract: Disclosed are methods of making aryl intermediate compounds of the formula (A) which are useful in the production of heteroaryl ureas, 1
    Type: Application
    Filed: November 17, 2003
    Publication date: June 3, 2004
    Applicant: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Zhulin Tan, Nathan K. Yee
  • Sulfonamide intermediates and methods of producing same
    Patent number: 6703525
    Abstract: Disclosed are intermediates of the formula (A) and methods of making same.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: March 9, 2004
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Suresh R. Kapadia, Jinhua J. Song, Nathan K. Yee
  • Synthesis of heteroarylamine intermediate compounds
    Patent number: 6635767
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: October 21, 2003
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Synthesis of heteroarylamine intermediate compounds
    Patent number: 6613909
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: September 2, 2003
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Synthesis for heteroarylamine compounds
    Patent number: 6603000
    Abstract: Disclosed is a novel method of producing heteroaryl amines of the formula(I): wherein X, Y and Z are described herein, the heteroarylamines are useful in the production of heteroaryl ureas which are key component in pharmaceutically active compounds possessing a heteroaryl urea group.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: August 5, 2003
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Nathan Yee, Suresh R. Kapadia, Jinhua J. Song
  • Synthesis of heteroarylamine intermediate compounds
    Publication number: 20030135046
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 6, 2002
    Publication date: July 17, 2003
    Applicant: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee
  • Synthesis of heteroarylamine intermediate compounds
    Patent number: 6593471
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: July 15, 2003
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Synthesis of heteroarylamine intermediate compounds
    Patent number: 6590099
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: July 8, 2003
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Sulfonamide intermediates and methods of producing same
    Publication number: 20030065034
    Abstract: Disclosed are intermediates of the formula (A) and methods of making same. The intermediate compounds are useful in the synthesis of heteroaryl/aryl urea compounds.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 3, 2003
    Applicant: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Suresh R. Kapadia, Jinhua J. Song, Nathan K. Yee
  • Novel synthesis for heteroarylamine compounds
    Publication number: 20030028017
    Abstract: Disclosed is a novel method of producing heteroaryl amines of the formula(I): 1
    Type: Application
    Filed: July 11, 2001
    Publication date: February 6, 2003
    Inventors: Nathan Yee, Suresh R. Kapadia, Jinhua J. Song
  • Bis pyrazole-1H-pyrazole intermediates and their synthesis
    Patent number: 6492529
    Abstract: Disclosed are aromatic heterocyclic compounds of the formula (I) wherein Ar1, Ar2, L, Q and X are described herein, and intermediate compounds useful for making such compounds. The compounds are useful in pharmaceutic compositions for treating diseases or pathological conditions involving inflammation such as chronic inflammatory diseases. Also disclosed are processes of making compounds of the formula (I), their intermediates and processes of making such intermediates, including bis pyrazole-1H-pyrazole intermediates of the formula: wherein Alk, Rx and Rz are described herein.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: December 10, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Suresh R. Kapadia, Jinhua J. Song, Nathan K. Yee
  • Process for synthesis of heteroaryl-substituted urea compounds useful as antiinflammatory agents
    Publication number: 20020123631
    Abstract: This invention relates to novel processes for preparing heteroaryl-substituted urea compounds of formula (I): 1
    Type: Application
    Filed: February 12, 2002
    Publication date: September 5, 2002
    Inventors: Zhulin Tan, Jinhua J. Song
  • Novel synthesis of heteroarylamine intermediate compounds
    Publication number: 20020077475
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 6, 2001
    Publication date: June 20, 2002
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Novel synthesis of heteroarylamine intermediate compounds
    Publication number: 20020068826
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 6, 2001
    Publication date: June 6, 2002
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Pyridine intermediate compound
    Publication number: 20020049333
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2- substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 6, 2001
    Publication date: April 25, 2002
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Novel synthesis of heteroarylamine intermediate compounds
    Publication number: 20020045754
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 6, 2001
    Publication date: April 18, 2002
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia
  • Novel synthesis of heteroarylamine intermediate compounds
    Publication number: 20010053850
    Abstract: Disclosed are novel 2-(5-halopyridyl) and 2-(5-halopyrimidinyl) magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines.
    Type: Application
    Filed: December 12, 2000
    Publication date: December 20, 2001
    Inventors: Jinhua J. Song, Nathan K. Yee, Suresh R. Kapadia