Patents by Inventor Terri L. Riehm

Terri L. Riehm 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).

  • Aqueous acidic composition for cleaning fiberglass
    Patent number: 4699728
    Abstract: An aqueous acidic solution for cleaning fiberglass without significant discoloration of the surface thereof comprising a water-soluble organophosphonic acid and/or a water soluble acrylic acid polymer, in combination with a higher (alkyl)betaine surfactant and, optionally an amount of alkaline pH modifying substance effective to adjust the pH to a value within the range of about 3.0-7.0. The preferred (alkyl)betaine is lauramidopropyl betaine. Cleaning results are optimized when the acrylic polymer and organophosphate are combined in a cleaning composition having a pH of about 3.5-4.5.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: October 13, 1987
    Assignee: Ecolab, Inc.
    Inventors: Terri L. Riehm, Robert T. Hall, II