Patents Represented by Attorney, Agent or Law Firm Thomas M. Breininge
  • Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
    Patent number: 6331229
    Abstract: This invention is directed to a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective flocculating amount of a high molecular weight water-soluble anionic or nonionic dispersion polymer.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: December 18, 2001
    Assignee: Nalco Chemical Company
    Inventors: Jane B. Wong Shing, Chidambaram Maltesh, John R. Hurlock
  • Rust and scale removal composition and process
    Patent number: 6310024
    Abstract: Disclosed in the present application is a composition that is useful for rust and/or corrosion removal that contains a reducing agent, a chelating agent, a surfactant, and a dispersant. Disclosed also are processes for using this composition in aqueous systems and metal surface treatment.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: October 30, 2001
    Assignee: Calgon Corporation
    Inventors: Jasbir S. Gill, Monica A. Yorke