Patents by Inventor Viviane Alves da Silva

Viviane Alves da Silva 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 Preserving Hides or Skins
    Publication number: 20170130283
    Abstract: A process for preserving raw/fresh hides and skins is disclosed. In one embodiment, the hides and skins are treated with an antimicrobial composition containing a carbonate and/or bicarbonate salt of a quaternary ammonium cation. Alternatively, the antimicrobial composition contains a halide salt of a quaternary ammonium cation in combination with a second antimicrobial agent which may comprise a polyhexamethylene biguanide. The compositions are capable of preventing microbial degradation of the raw skins and hides for significant periods of time, such as greater than 48 hours.
    Type: Application
    Filed: November 2, 2016
    Publication date: May 11, 2017
    Inventors: Mauricio da Silva Franzim, Cleide Caldas Costa, Viviane Alves da Silva, Rafael Leandro Pedro