Patents by Inventor Frank C. Haas

Frank C. Haas 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).

  • Method for the removal of nitric oxide from gas streams
    Patent number: 4325925
    Abstract: A method for removing nitric oxide from gas streams containing same. The nitric acid is removed by contacting the nitric oxide with elemental iron in the presence of water. The nitric oxide is believed to be reduced to nitrogen gas. The method has particular applications to removal of nitric oxide from gas streams produced during combustion of carbonaceous materials.
    Type: Grant
    Filed: June 6, 1980
    Date of Patent: April 20, 1982
    Assignee: Tosco Corporation
    Inventors: Frank C. Haas, Gerald B. Faudel
  • Method for easily removing zinc from carbon black contaminated with zinc
    Patent number: 4264568
    Abstract: The present invention relates to a method for removing zinc from solid carbon black, preferably obtained from the pyrolysis of rubber, said carbon black containing at least 3%, by weight, of zinc, calculated as ZnO, said method including the steps of contacting the carbon black at a temperature of at least 750.degree. C. with a gas selected from chlorine and hydrogen chloride to form gaseous zinc chloride from the zinc contained in said carbon black, and separating the gaseous zinc chloride from the solid carbon black.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: April 28, 1981
    Assignee: Tosco Corporation
    Inventors: Frank C. Haas, Manuel M. Gutierrez
  • Method for recovering vanadium from petroleum coke
    Patent number: 4243639
    Abstract: Petroleum coke containing inorganic compounds including vanadium is gasified with steam in the presence of an alkali metal salt gasification catalyst to produce a combustible gas and an inorganic ash composed primarily of said inorganic compounds and a water soluble alkali metal vanadate and the inorganic ash is placed in a sufficient amount of water to dissolve the vanadate compound and then is recovered by conventional means.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: January 6, 1981
    Assignee: Tosco Corporation
    Inventors: Frank C. Haas, William K. Hesse