Patents by Inventor Guange-jong J. Wei

Guange-jong J. Wei 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).

  • Potentiated aqueous ozone cleaning and sanitizing composition for removal of a contaminating soil from a surface
    Patent number: 5567444
    Abstract: A cleaning and sanitizing method for soiled solid surfaces, especially clean-in-place process facilities, is described which involves contacting the surfaces first with an aqueous ozone cleaning composition having a pH greater than 7, wherein the ozone is generated by electrical discharge, then quenching the excess ozone and simultaneously sanitizing the surfaces by contact with an aqueous composition containing hydrogen peroxide, a C.sub.1 -C.sub.10 peroxyaliphatic carboxylic acid or a mixture thereof.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: October 22, 1996
    Assignee: Ecolab Inc.
    Inventors: Robert D. Hei, Guange-jong J. Wei, Bruce R. Cords, Keith D. Lokkesmoe