Patents by Inventor John D. Gregory

John D. Gregory 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).

  • Kit for the determination and diagnosis of non-goodpasture glomerulonephritis
    Patent number: 4985542
    Abstract: Purified glomerular proteoglycans are used as a basis for a diagnostic test for glomerulonephritis in humans involving an immunological reaction between the purified proteoglycans and patient area. A new method for purification of glomeruli proteoglycan antigens is described using guanidine extraction.
    Type: Grant
    Filed: May 17, 1989
    Date of Patent: January 15, 1991
    Assignee: The Rockefeller University
    Inventors: Howard Fillit, Shridhar P. Damle, John Zabriskie, John D. Gregory
  • Method for determination and diagnosis of non-goodposture glomerulonephritis
    Patent number: 4849339
    Abstract: Purified glomerular proteoglycans are used as a basis for a diagnostic test for glomerulonephritis in humans involving an immunological reaction between the purified proteoglycans and patient sera. A new method for purification of glomeruli proteoglycan antigens is described using guanidine extraction.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: July 18, 1989
    Assignee: Rockefeller University
    Inventors: Howard Fillit, Shridhar P. Damle, John Zabriskie, John D. Gregory