Patents by Inventor Jacques Van Diest

Jacques Van Diest 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).

  • Patent number: 5300268
    Abstract: A process for the manufacture of an aqueous solution of ferric chloride including the steps of introducing an aqueous solution of hydrochloric acid into a reactor containing a bed of fragments of an oxide-containing iron ore so that the aqueous solution of hydrochloric acid travels upwardly through the bed, collecting a suspension of ore particles in an aqueous solution of ferric chloride from the bed mechanically separating the ore particles from the aqueous solution of ferric chloride of the suspension, and recycling the ore particles by adding the ore particles to the aqueous solution of hydrochloric acid upstream of the bed.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: April 5, 1994
    Assignee: Solvay (Societe Anonyme)
    Inventors: Jacques Van Diest, Jacques Brahm
  • Patent number: 4857292
    Abstract: An aqueous sodium hypochlorite solution (3) is added, in a quantity which is deficient relative to that required to decompose the entire amount of calcium chloride, to an aqueous calcium chloride solution (2), the sodium chloride which precipitates (6) is separated and the remaining amount (9) of the sodium hypochlorite solution is then added to the resulting mother-liquor (7). Single FIGURE.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: August 15, 1989
    Assignee: SOLVAY & Cie (Societe Anonyme)
    Inventors: Jacques Brahm, Pierre Cornu, Pierre Garnier, Jean Verlaeten, Jacques Van Diest