Patents by Inventor Chia C. Cheng

Chia C. Cheng 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).

  • 5,8-dichloro-4-hydroxy-1-[(aminoalkyl) amino]-9,10-anthracenediones, pharmaceutical compositions and use
    Patent number: 4782092
    Abstract: Chemical compounds are provided that are novel 5,8-dichloro-4-hydroxy-1-[(aminoalkyl)amino]-9,10-anthracenediones (I), as well as a method for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents and antitumor agents.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: November 1, 1988
    Assignee: Mid-America Cancer Center
    Inventors: Robert K. Zee-Cheng, Chia C. Cheng
  • 3,6-disubstituted-1,8-naphthalimides and methods for their production and use
    Patent number: 4665071
    Abstract: Chemical compounds are provided that are novel 3,6-disubstituted-1,8-naphthalimides (I), as well as methods for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents and antitumor agents.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: May 12, 1987
    Assignee: Warner-Lambert Company
    Inventors: Robert K. Zee-Cheng, Chia C. Cheng
  • 3,6-disubstituted-1,8-naphthalimides
    Patent number: 4614820
    Abstract: Chemical compounds are provided that are novel 3,6-disubstituted-1,8-naphthalimides (I), as well as methods for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents and antitumor agents. ##STR1## .
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: September 30, 1986
    Assignee: Warner-Lambert Co.
    Inventors: Robert K. Zee-Cheng, Chia C. Cheng
  • 3,6-disubstituted-1,8-naphthalimides and methods for their production and use
    Patent number: 4594346
    Abstract: Chemical compounds are provided that are novel 3,6-disubstituted-1,8-naphthalimides (I), as well as methods for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: June 10, 1986
    Assignee: Warner-Lambert Company
    Inventors: Robert K. Zee-Cheng, Chia C. Cheng
  • 3-(Haloethyl)-4-oxopyrazolo[5,1-D]-1,2,3,5-tetrazine-8-carboxamide compounds
    Patent number: 4504475
    Abstract: The title compounds are provided as well as a method for their production, pharmaceutical compositions comprising the compounds, and a method of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antileukemic agents.
    Type: Grant
    Filed: May 24, 1983
    Date of Patent: March 12, 1985
    Assignee: Warner Lambert Company
    Inventor: Chia C. Cheng
  • 3,6-Dinitro-1,8-naphthalimides
    Patent number: 4499266
    Abstract: Chemical compounds are provided that are novel 3,6-dinitro-1,8-naphthalimides (I), as well as a method for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents and antitumor agents.
    Type: Grant
    Filed: April 1, 1983
    Date of Patent: February 12, 1985
    Assignee: Warner-Lambert Company
    Inventors: Chia C. Cheng, Robert K. Zee-Cheng