Patents by Inventor Regina Tie Kawai Shikishima

Regina Tie Kawai Shikishima 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).

  • Process for making ethanol by fermentation
    Patent number: 9822382
    Abstract: A process for making ethanol by fermentation comprises the steps fermenting a mash comprising a fermentable sugar with a yeast to form a fermented mash comprising ethanol, separating a yeast concentrate from the fermentation mash, adding a mineral acid to the yeast concentrate to provide an acidified yeast concentrate having a pH between 1.8 and 3.0, adding a peroxycarboxylic acid to the acidified yeast concentrate in an amount of from 5 to 80 ppm by weight to provide a treated yeast concentrate, and fermenting a mash comprising a fermentable sugar with addition of treated yeast concentrate to form a fermented mash comprising ethanol.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: November 21, 2017
    Assignee: Evonik Degussa GmbH
    Inventor: Regina Tie Kawai Shikishima
  • PROCESS FOR MAKING ETHANOL BY FERMENTATION
    Publication number: 20170002383
    Abstract: A process for making ethanol by fermentation comprises the steps fermenting a mash comprising a fermentable sugar with a yeast to form a fermented mash comprising ethanol, separating a yeast concentrate from the fermentation mash, adding a mineral acid to the yeast concentrate to provide an acidified yeast concentrate having a pH between 1.8 and 3.0, adding a peroxycarboxylic acid to the acidified yeast concentrate in an amount of from 5 to 80 ppm by weight to provide a treated yeast concentrate, and fermenting a mash comprising a fermentable sugar with addition of treated yeast concentrate to form a fermented mash comprising ethanol.
    Type: Application
    Filed: January 20, 2015
    Publication date: January 5, 2017
    Applicant: Evonik Degussa GmbH
    Inventor: Regina Tie Kawai Shikishima