Patents by Inventor Albert Edward Wraith

Albert Edward Wraith 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).

  • Recovery of purified volatile metal such as lithium from mixed metal vapors
    Patent number: 6971276
    Abstract: The present invention is concerned with a method for extracting selectively a metal from a metal mixture in the gaseous phase. The method comprises heating the metal mixture to vaporize the metal; condensing the metal contaminants present in the vapor; reacting any contaminants remaining in the vapor with a reagent to precipitate the remaining contaminants, and collecting the purified metal.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: December 6, 2005
    Assignee: McGill University
    Inventors: Ralph Harris, Albert Edward Wraith
  • Recovery of purified volatile metal such as lithium from mixed metal vapours
    Publication number: 20040035249
    Abstract: The present invention is concerned with a method for extracting selectively a metal from a metal mixture in the gaseous phase. The method comprises heating the metal mixture to vaporize the metal; condensing the metal contaminants present in the vapour; reacting any contaminants remaining in the vapour with a reagent to precipitate the remaining contaminants, and collecting the purified metal.
    Type: Application
    Filed: April 24, 2003
    Publication date: February 26, 2004
    Inventors: Ralph Harris, Albert Edward Wraith