Patents by Inventor Daljit S. Narindray

Daljit S. Narindray 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).

  • Protein recovery
    Publication number: 20040138426
    Abstract: The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
    Type: Application
    Filed: January 21, 2004
    Publication date: July 15, 2004
    Applicant: Genentech, Inc.
    Inventors: Gregory S. Blank, Daljit S. Narindray, Gerardo A. Zapata
  • Protein recovery
    Patent number: 6716598
    Abstract: The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: April 6, 2004
    Assignee: Genentech, Inc.
    Inventors: Gregory S. Blank, Daljit S. Narindray, Gerardo A. Zapata
  • Protein recovery
    Publication number: 20020058324
    Abstract: The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
    Type: Application
    Filed: August 27, 2001
    Publication date: May 16, 2002
    Applicant: Genentech, Inc.
    Inventors: Gregory S. Blank, Daljit S. Narindray, Gerardo A. Zapata
  • Protein recovery
    Patent number: 6322997
    Abstract: The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: November 27, 2001
    Assignee: Genentech, Inc.
    Inventors: Gregory S. Blank, Daljit S. Narindray, Gerardo A. Zapata
  • Protein recovery
    Patent number: 6121428
    Abstract: The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: September 19, 2000
    Assignee: Genentech, Inc.
    Inventors: Gregory S. Blank, Daljit S. Narindray, Gerardo A. Zapata