Patents by Inventor John J. Fish

John J. Fish 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 producing ethanol
    Patent number: 5231017
    Abstract: The invention relates to a process for producing ethanol from raw materials, that contain fermentable sugars or constituents which can be converted into sugars, comprising the steps of:a-liquefaction of the raw materials in the presence of an alpha-amylase for obtaining liquefied mash,b-saccharification of the liquefied mash in the presence of a glucoamylase for obtaining hydrolyzed starch and sugars,c-fermentation of the hydrolyzed starch and sugars by yeast for obtaining ethanol, andd-recovering alcohol,a protease being introduced in the liquefied mash during the saccharification and/or in the hydrolyzed starch and sugars during the fermentation.The invention relates also to a composition containing a glucoamylase and an acid fungal protease.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: July 27, 1993
    Assignee: Solvay Enzymes, Inc.
    Inventors: Oreste J. Lantero, John J. Fish