Patents by Inventor Miguel Estrella de Castro

Miguel Estrella de Castro 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).

  • Perfumed detergent tablets
    Publication number: 20050202992
    Abstract: The present invention is directed to detergent tablets with improved perfume stability. It relates to a detergent tablet comprising at least 2 discrete regions and 0.05% to 10% by weight of the detergent tablet, of a perfume particle comprising a porous carrier material and a perfume contained in the pores of said porous carrier material; wherein the perfume particle is comprised at a greater concentration in one region of the tablet than in another region thereof.
    Type: Application
    Filed: March 11, 2005
    Publication date: September 15, 2005
    Applicant: The Procter & Gamble Company
    Inventors: Maria Grandio Portabales, Michael Green, Jose Velazquez, Miguel Estrella de Castro, Jean Wevers