Patents by Inventor Hansa Sehgal

Hansa Sehgal 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).

  • Acellular red blood cell substitute
    Patent number: 6914127
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: July 5, 2005
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Publication number: 20030130487
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Application
    Filed: January 21, 2003
    Publication date: July 10, 2003
    Applicant: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. DeWoskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 6552173
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: April 22, 2003
    Assignee: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Publication number: 20020062007
    Abstract: An a cellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said a cellular red blood cell substitute.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 23, 2002
    Applicant: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. DeWoskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 6323320
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: November 27, 2001
    Assignee: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 6133425
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: October 17, 2000
    Assignee: Northfield Laboratories, Inc
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 5747649
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 5, 1998
    Assignee: Norhtfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 5464814
    Abstract: A process is disclosed for the preparation of an essentially tetramer-free, essentially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin which comprises separating red blood cell stroma from blood by means of heat treating step to remove stromal contaminants and filtration or centrifugation or both, pyridoxylating, polymerizing, and removing essentially all of the remaining unmodified tetramer.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: November 7, 1995
    Assignee: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 5194590
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its uses and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: March 16, 1993
    Assignee: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal
  • Acellular red blood cell substitute
    Patent number: 4826811
    Abstract: An acellular red blood cell substitute which comprises an essentially tetramer-free, substantially stroma-free, cross-linked, polymerized, pyridoxylated hemoglobin and a nontoxic, pharmaceutically acceptable carrier, its use and a process for preparing said acellular red blood cell substitute.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: May 2, 1989
    Assignee: Northfield Laboratories, Inc.
    Inventors: Lakshman R. Sehgal, Richard E. De Woskin, Gerald S. Moss, Steven A. Gould, Arthur L. Rosen, Hansa Sehgal