Patents by Inventor Usman Ali Ashfaq

Usman Ali Ashfaq 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).

  • 7-nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one or derivatives thereof for treating or preventing antiviral infections
    Patent number: 8148368
    Abstract: Surprising antiviral activity of 7-Nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one (Compound 1) was reported in the treatment or prevention of viral infections, particularly in combination with other antiviral agents such as interferon and/or ribavarin.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: April 3, 2012
    Inventors: Shaikh Riazuddin, Atta-ur Rehman, Usman Zafar, Iqbal Choudhary, Usman Ali Ashfaq, Khalid M. Khan, Tayyab Husnain, Zulfiqar Ali Khan, Javed Akram
  • 7-Nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one or derivatives thereof for treating or preventing antiviral infections
    Publication number: 20120058080
    Abstract: Surprising antiviral activity of 7-Nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one (Compound 1) was reported in the treatment or prevention of viral infections, particularly in combination with other antiviral agents such as interferon and/or ribavarin.
    Type: Application
    Filed: September 7, 2010
    Publication date: March 8, 2012
    Inventors: Shaikh Riazuddin, Atta-ur Rehman, Usman Zafar, Iqbal Choudhary, Usman Ali Ashfaq, Khalid M. Khan, Tayyab Husnain, Zulfiqar Ali Khan, Javed Akram