Patents by Inventor Maria Rita de Oliveira

Maria Rita de Oliveira 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).

  • Patent number: 11071702
    Abstract: A method of making a hair care formulation is provided, comprising: providing a hair care system concentrate, comprising: 9 to 15 wt % of a cellulose based cationic polymer; 39 to 60 wt % a polyalkylene glycol; 9 to 15 wt % a film forming nonionic polyethylene glycol polymer; 2.5 to 20 wt % a linear polypropylene glycol; and 10 to 35 wt % a polyethylene glycol diester of stearic acid; providing at least one hair care additive; providing water; adding the hair care system concentrate and the at least one hair care additive to the water to form the hair care formulation.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 27, 2021
    Assignee: Dow Brasil Sudeste Industrial LTDA
    Inventors: Maria Rita de Oliveira, Daisy de Fátima Scarparo de Sanctis, Mayra Penna
  • Patent number: 10857088
    Abstract: A hair care system concentrate is provided, comprising: 9 to 15 wt % of a cellulose based cationic polymer; 39 to 60 wt % a polyalkylene glycol; 9 to 15 wt % a film forming nonionic polyethylene glycol polymer; 2.5 to 20 wt % a linear polypropylene glycol; and, 10 to 35 wt % a polyethylene glycol diester of stearic acid. Also provided is a method of making a hair care system concentrate.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: December 8, 2020
    Assignee: Dow Brasil Sudeste Industrial Ltda.
    Inventors: Maria Rita de Oliveira, Daisy de Fátima Scarparo de Sanctis, Mayra Penna
  • Publication number: 20190254953
    Abstract: A hair care system concentrate is provided, comprising: 9 to 15 wt % of a cellulose based cationic polymer; 39 to 60 wt % a polyalkylene glycol; 9 to 15 wt % a film forming nonionic polyethylene glycol polymer; 2.5 to 20 wt % a linear polypropylene glycol; and, 10 to 35 wt % a polyethylene glycol diester of stearic acid. Also provided is a method of making a hair care system concentrate.
    Type: Application
    Filed: June 29, 2017
    Publication date: August 22, 2019
    Inventors: Maria Rita de Oliveira, Daisy de Fátima Scarparo de Sanctis, Mayra Penna
  • Publication number: 20190192402
    Abstract: A method of making a hair care formulation is provided, comprising: providing a hair care system concentrate, comprising: 9 to 15 wt % of a cellulose based cationic polymer; 39 to 60 wt % a polyalkylene glycol; 9 to 15 wt % a film forming nonionic polyethylene glycol polymer; 2.5 to 20 wt % a linear polypropylene glycol; and 10 to 35 wt % a polyethylene glycol diester of stearic acid; providing at least one hair care additive; providing water; adding the hair care system concentrate and the at least one hair care additive to the water to form the hair care formulation.
    Type: Application
    Filed: June 29, 2017
    Publication date: June 27, 2019
    Inventors: Maria Rita de Oliveira, Daisy de Fátima Scarparo de Sanctis, Mayra Penna