Patents by Inventor Yumi Kawanobe

Yumi Kawanobe 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: 9023749
    Abstract: The present invention provides a method for performing regeneration of a decolorization capacity of waste clay that has been used for purification of fats and oils, and production of a thermally recyclable compound as a biofuel from oily ingredients in the waste clay at the same time in a convenient manner. That is, a method for producing purified fats and oils of the invention includes: a method for producing regenerated clay including the steps of mixing waste clay that has been used for purification of fats and oils, lower alcohol, and an acidic catalyst; and performing extraction of oily ingredients from the waste clay, and an esterification reaction between the fats and oils and/or a free fatty acid in the oily ingredients and the lower alcohol at the same time so as to regenerate a decolorization capacity of the waste clay; regenerated clay that is produced by the method for producing the regenerated clay; and a process of decolorizing the fats and oils using the regenerated clay.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: May 5, 2015
    Assignee: The Nisshin Oillio Group, Ltd.
    Inventors: Satoshi Negishi, Kunihiko Tokunaga, Hitoshi Itou, Yumi Kawanobe, Hiroyuki Itagaki
  • Publication number: 20130150603
    Abstract: The present invention provides a method for performing regeneration of a decolorization capacity of waste clay that has been used for purification of fats and oils, and production of a thermally recyclable compound as a biofuel from oily ingredients in the waste clay at the same time in a convenient manner. That is, a method for producing purified fats and oils of the invention includes: a method for producing regenerated clay including the steps of mixing waste clay that has been used for purification of fats and oils, lower alcohol, and an acidic catalyst; and performing extraction of oily ingredients from the waste clay, and an esterification reaction between the fats and oils and/or a free fatty acid in the oily ingredients and the lower alcohol at the same time so as to regenerate a decolorization capacity of the waste clay; regenerated clay that is produced by the method for producing the regenerated clay; and a process of decolorizing the fats and oils using the regenerated clay.
    Type: Application
    Filed: October 3, 2011
    Publication date: June 13, 2013
    Applicant: The Nisshin Oillio Group, Ltd.
    Inventors: Satoshi Negishi, Kunihiko Tokunaga, Hitoshi Itou, Yumi Kawanobe, Hiroyuki Itagaki