Patents by Inventor Marcel Yancu

Marcel Yancu 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).

  • Sintered bead based on zirconia and on cerium oxide
    Patent number: 8853112
    Abstract: A sintered bead presenting the following chemical analysis, in percentages by weight and for a total of 100%: ZrO2+HfO2: 78%-85%; CeO2: ?15%; Al2O3: >0.1%; additive: >0.1%; impurities: <1%; the additive being selected from MnO, MnO2, Fe2O3, CuO, TiO2, Y2O3, Sb2O3, ZnO, and mixtures thereof. Application to microgrinding and to microdispersion.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: October 7, 2014
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes Europeen
    Inventors: Emmanuel Nonnet, Rimma Khodakovskaya, Moshe Link, Marcel Yancu, Andrei Schon, Eric Hanus
  • Sintered Bead Based on Zirconia and on Cerium Oxide
    Publication number: 20090120010
    Abstract: A sintered bead presenting the following chemical analysis, in percentages by weight and for a total of 100%: ZrO2+HfO2: 78%-85%; CeO2: ?15%; Al2O3: >0.1%; additive: >0.1%; impurities: <1%; the additive being selected from MnO, MnO2, Fe2O3, CuO, TiO2, Y2O3, Sb2O3, ZnO, and mixtures thereof. Application to microgrinding and to microdispersion.
    Type: Application
    Filed: February 27, 2006
    Publication date: May 14, 2009
    Applicant: SAINT-GOBIN CENTRE DE RECHERCHE ET D'ETUDES EUROPEEN
    Inventors: Emmanuel Nonnet, Rimma Khodakovskaya, Moshe Link, Marcel Yancu, Andrei Schon, Eric Hanus