Patents by Inventor Bob de Mon

Bob de Mon 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 of removal of polycyclic aromatic hydrocarbons from a liquid
    Patent number: 4879049
    Abstract: A method of removal of polycyclic aromatic hydrocarbons (PAH) by precoat vacuum filtration is characterized in that organic particles are present in the precoat which, when subjected to a specific precoat layer build-up test, have a layer thickness in the range 30-200 mm. The immersion depth of the drum during the filtering is more than 40% of the drum diameter. Improved filtering results. A method of testing a finely divided organic material in order to determine its suitability for precoat vacuum filtration is also disclosed.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: November 7, 1989
    Assignee: Hoogovens Groep B.V.
    Inventors: Bob De Mon, Antonius I. Van Hoorn
  • Method for the regeneration of a tinning electrolyte
    Patent number: 4219390
    Abstract: Method for regenerating an electrolytic liquid for tinning purposes in which the electrolytic liquid is freed from ions of foreign metals introduced into it during the tinning action, characterized by the steps of (a) detinning of the electrolytic liquid through electrolysis and (b) releasing of the foreign metal ions by means of a cation exchanger.
    Type: Grant
    Filed: September 20, 1978
    Date of Patent: August 26, 1980
    Assignee: Hoogovens Ijmuiden, B.V.
    Inventors: Eric J. Stuart, Bob de Mon