Patents by Inventor Shneior Lifson

Shneior Lifson 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).

  • Extractants for the separation of transition and related metal ions
    Patent number: 5149845
    Abstract: There are provided novel compounds useful as selective extractants of metal values from aqueous systems comprising a plurality of such ionic species. There is further provided a process for the production of the novel compounds. The invention also relates to a process of selective metal extraction by means of the novel compounds of the invention.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: September 22, 1992
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Shanzer, Jacqueline Libman, Shneior Lifson
  • Extractants for the separation of transition and related metal ions
    Patent number: 5101066
    Abstract: There are provided novel compounds useful as selective extractants of metal values from aqueous systems comprising a plurality of such ionic species. There is further provided a process for the production of the novel compounds. The invention also relates to a process of selective metal extraction by means of the novel compounds of the invention.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: March 31, 1992
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Shanzer, Jacqueline Libman, Shneior Lifson
  • Trishydroxamic acids
    Patent number: 4966997
    Abstract: Ligand compounds useful as extractants of certain metals from solutions. Effective also as promoters of the growth of microorganisms.A process for the preparation of such hexadentate ligands and methods of selective extraction of transition and related metal ions from admixtures with other metals.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: October 30, 1990
    Assignee: Yeda Research and Development Co., Ltd.
    Inventors: Abraham Shanzer, Jacqueline Libman, Shneior Lifson