Patents by Inventor Narendra Raghunathji Desai

Narendra Raghunathji Desai 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).

  • Liposome compositions of porphyrin photosensitizers
    Patent number: 6890555
    Abstract: Liposomal pharmaceutical formulations incorporating porphyrin photosensitizers useful for photodynamic therapy or diagnosis of malignant cells. The liposomal formulations comprise a porphyrin photosensitizer, particularly the hydro-mono benzoporphyrine (BPD) having light absorption maxima in the range of 670-780 nanometers, a disaccharide or polysaccharide and one or more phospholipids.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: May 10, 2005
    Assignee: QLT, Inc.
    Inventors: Narendra Raghunathji Desai, Bushra J. Agha, Kalidas Madhavrao Kale, James R. Lawter
  • Liposome compositions of porphyrin photosensitizers
    Patent number: 6074666
    Abstract: Liposomal pharmaceutical formulations incorporating porphyrin photosensitizers useful for photodynamic therapy or diagnosis of malignant cells. The liposomal formulations comprise a porphyrin photosensitizer, particularly the hydro-mono benzoporphyrins (BPD) having light absorption maxima in the range of 670-780 nanometers, a disaccharide or polysaccharide and one or more phospholipids.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: June 13, 2000
    Assignee: QLT Phototherapeutics, Inc.
    Inventors: Narendra Raghunathji Desai, Bushra J. Agha, Kalidas Madhavrao Kale