Patents by Inventor Miguel A. de la Rosa

Miguel A. de la Rosa 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).

  • Process for production of hydrogen peroxide by a chemical photoreduction of oxygen, and hydrogen peroxide obtained by this process
    Patent number: 4927512
    Abstract: Process for the manufacture of hydrogen peroxide by photoreduction of molecular oxygen in an aqueous medium in the presence of visible light, of semicarbazide acting as an electron donor and of a photosensitizer selected from among Bengal Rose and the rutheniumII tris(2,2'-dipyridyl) complex, the pH of the reaction medium being kept at a value above 9.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: May 22, 1990
    Assignee: Interox (Societe Anonyme)
    Inventors: Francisco F. de la Rosa, Jose A. Navarro, Mercedes Roncel, Miguel A. de la Rosa