Patents by Inventor Terezinha Claudete Maciel

Terezinha Claudete Maciel 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 decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility
    Patent number: 8608861
    Abstract: The invention relates to a method of decontaminating an oxide layer-comprising surface of a component or a system of a nuclear facility, wherein the oxide layer is treated with gaseous nitrogen oxide (NOx) as oxidizing agent.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: December 17, 2013
    Assignee: Areva NP GmbH
    Inventors: Horst-Otto Bertholdt, Terezinha Claudete Maciel, Franz Strohmer
  • Method for the decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility
    Patent number: 8021494
    Abstract: A method of decontaminating an oxide layer-comprising surface of a component or a system of a nuclear facility. An acidic water film is produced on the surface, the film of water is brought into contact with a gaseous acid anhydride, and the oxide layer is treated with gaseous ozone as oxidizing agent.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: September 20, 2011
    Assignee: Areva NP GmbH
    Inventors: Horst-Otto Bertholdt, Terezinha Claudete Maciel, Franz Strohmer
  • Method for the Decontamination of an Oxide Layer-containing Surface of a Component or a System of a Nuclear Facility
    Publication number: 20090250083
    Abstract: A method of decontaminating an oxide layer-comprising surface of a component or a system of a nuclear facility. An acidic water film is produced on the surface, the film of water is brought into contact with a gaseous acid anhydride, and the oxide layer is treated with gaseous ozone as oxidizing agent.
    Type: Application
    Filed: April 15, 2008
    Publication date: October 8, 2009
    Applicant: AREVA NP GMBH
    Inventors: Horst-Otto Bertholdt, Terezinha Claudete Maciel, Franz Strohmer
  • Method for the Decontamination of an Oxide Layer-containing Surface of a Component or a System of a Nuclear Facility
    Publication number: 20080190450
    Abstract: The invention relates to a method of decontaminating an oxide layer-comprising surface of a component or a system of a nuclear facility, wherein the oxide layer is treated with gaseous nitrogen oxide (NOx) as oxidizing agent.
    Type: Application
    Filed: April 15, 2008
    Publication date: August 14, 2008
    Applicant: AREVA NP GMBH
    Inventors: Horst-Otto Bertholdt, Terezinha Claudete Maciel, Franz Strohmer