Patents by Inventor Shih-Perng Tsai

Shih-Perng Tsai 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 the production of hydrogen peroxide
    Patent number: 5662878
    Abstract: An integrated membrane-based process method for producing hydrogen peroxide is provided comprising oxidizing hydrogenated anthraquinones with air bubbles which were created with a porous membrane, and then contacting the oxidized solution with a hydrophilic membrane to produce an organics free, H.sub.2 O.sub.2 laden permeate.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: September 2, 1997
    Assignee: University of Chicago
    Inventors: Rathin Datta, Sarabjit S. Randhava, Shih-Perng Tsai
  • Electrodialysis-based separation process for salt recovery and recycling from waste water
    Patent number: 5645703
    Abstract: A method for recovering salt from a process stream containing organic contaminants is provided, comprising directing the waste stream to a desalting electrodialysis unit so as to create a concentrated and purified salt permeate and an organic contaminants containing stream, and contacting said concentrated salt permeate to a water-splitting electrodialysis unit so as to convert the salt to its corresponding base and acid.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: July 8, 1997
    Assignee: University of Chicago
    Inventor: Shih-Perng Tsai
  • Fermentation and recovery process for lactic acid production
    Patent number: 5464760
    Abstract: A method of converting starch to glucose and fermenting glucose to lactic acid, including simultaneous saccharification and fermentation through use of a novel consortium of bacterial strains.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: November 7, 1995
    Assignee: University of Chicago
    Inventors: Shih-Perng Tsai, Seung H. Moon, Robert Coleman