Patents by Inventor Ellen M. Schwartz

Ellen M. Schwartz 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).

  • Methods for isolating recombinant .beta.-casein
    Patent number: 6121421
    Abstract: The invention provides a method for isolating a protein, specifically .beta.-casein, recombinantly produced in cells that have been genetically engineered to produce the protein. The method involves forming a paste, homogenate or lysate of the cells following fermentation to produce the protein, and performing a two-stage extraction procedure to isolate of the protein. By this method, recombinantly produces .beta.-casein can be isolated with less complexity and greater efficiency than in previously known methods for its isolation.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: September 19, 2000
    Assignee: Abbott Laboratories
    Inventors: Ellen M. Schwartz, Harold M. Staack