Patents by Inventor Ricardo Leal-Macias

Ricardo Leal-Macias 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).

  • Publication number: 20170231603
    Abstract: Oral sampling swab for visually assessing treatment effectiveness of an oral care product in decreasing the amount of bacteria in an oral cavity and method of use thereof.
    Type: Application
    Filed: January 13, 2017
    Publication date: August 17, 2017
    Inventors: Jinman Liu, Ricardo Leal-Macias
  • Publication number: 20120291523
    Abstract: The present invention relates to a kit for assessing the fragrance intensity of a fabric care product and a method for assessing the fragrance intensity imparted by a fabric care product comprising perfume microcapsules. The kit works instantly and ensures steady assessing conditions without requiring complicated instruments or professional operators.
    Type: Application
    Filed: May 16, 2012
    Publication date: November 22, 2012
    Inventors: Citra (Wijaya) Ng, Shaokun Lin, Joseph (Tan) Chio, Ricardo Leal Macias
  • Patent number: 6165967
    Abstract: Laundry granular detergent compositions useful for hand wash and machine-assisted hand wash laundry operations. The composition contains 5% to 40% of a surfactant, the surfactant containing: 1) 60% to 95% primary anionic surfactant selected from alkylbenzene sulfonate, alkyl sulfate, and mixtures thereof; and 2) 2.5% to 18% alkyl ethoxy ether sulfate (AES) surfactant having an average of from about 1 to about 9 moles ethoxy per mole surfactant, the ratio of alkylbenzene sulfate and alkyl sulfate surfactant to alkyl ethoxy ether sulfate surfactant being within the range of from about 30:1 to about 4:1. The composition also preferably contains 2.0% to 5.5% hydroxyalkyl quaternary ammonium cationic surfactant, the ratio of alkylbenzene sulfonate and alkyl sulfate surfactant to such cationic surfactant being from 40:1 to 16:1.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: December 26, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Ricardo Alfredo Prada-Silvy, Francisco Ramon Figueroa, Ricardo Alberto Icaza-Franceschi, Ricardo Leal-Macias, Edgar Manuel Marin-Carrillo
  • Patent number: D1024771
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: April 30, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Dong Ruan, Qiao Li, Lei Tian, Ming Qi, Ricardo Leal Macias