Patents by Inventor Elizabeth R. Umelo-Njaka

Elizabeth R. Umelo-Njaka 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).

  • Preservative solutions
    Patent number: 6905886
    Abstract: This invention relates to preservative solutions for peptides, for example, parathyroid hormone, insulin-like growth factor binding protein 3 (IGFBP3), adrenocorticotropic hormone (ACTH) and mixtures thereof. Preferably, the peptides preserved by the solutions are non-reconstituted. In one embodiment, the preservative solutions comprise a polyvinyl alcohol, EDTA component and molybdic component.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: June 14, 2005
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Lata Sundaram, Ann Hoang, Stan Shimizu, Elizabeth R. Umelo-Njaka, Darcy A. Thomas
  • Preservative solutions
    Publication number: 20020160353
    Abstract: This invention relates to preservative solutions for peptides, for example, parathyroid hormone, insulin-like growth factor binding protein 3 (IGFBP3), adrenocorticotropic hormone (ACTH) and mixtures thereof. Preferably, the peptides preserved by the solutions are non-reconstituted. In one embodiment, the preservative solutions comprise a polyvinyl alcohol, EDTA component and molybdic component.
    Type: Application
    Filed: March 13, 2002
    Publication date: October 31, 2002
    Applicant: Quest Diagnostics Investments Incorporated
    Inventors: Lata Sundaram, Ann Hoang, Stan Shimizu, Elizabeth R. Umelo-Njaka, Darcy A. Thomas