Patents by Inventor Augustine C. Liu

Augustine C. Liu 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).

  • Solid cleaners for heated food preparation surfaces
    Patent number: 7915211
    Abstract: A solid cleaner for heated surfaces is disclosed. The solid cleaner includes a solidifying agent including wax, and a cleaning agent. The solid cleaner is solid at room temperature and liquid at an elevated temperature. Methods of cleaning a heated surface and cleaning articles are also disclosed.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: March 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Lowell C. Zeller, Duane D. Fansler, Gerald R. Hofmann, Adriana Paiva, Smarajit Mitra, Terry R. Hobbs, Naiyong Jing, Augustine C. Liu, Mitchell T. Johnson
  • SOLID CLEANERS FOR HEATED FOOD PREPARATION SURFACES
    Publication number: 20090145458
    Abstract: A solid cleaner for heated surfaces is disclosed. The solid cleaner includes a solidifying agent including wax, and a cleaning agent. The solid cleaner is solid at room temperature and liquid at an elevated temperature. Methods of cleaning a heated surface and cleaning articles are also disclosed.
    Type: Application
    Filed: March 14, 2006
    Publication date: June 11, 2009
    Inventors: Lowell C. Zeller, Duane D. Fansler, Gerald R. Hofmann, Adriana Paiva, Smarajit Mitra, Terry R. Hobbs, Naiyong Jing, Augustine C. Liu, Mitchell T. Johnson
  • Use of a silicone surfactant in polishing compositions
    Patent number: 6579923
    Abstract: An aqueous polishing composition comprising a film forming polymer and an ionic silicone surfactant is described. The polish can be applied to a variety of substrates, particularly to floor surfaces. The coatings are smooth and soil resistant. The polish composition performs as well as state-of-the-art formulations containing a fluorocarbon surfactant.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: June 17, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Susan K. Yarmey, Adriana Paiva, Augustine C. Liu, Jimmie R. Baran, Jr.
  • Use of a silicone surfactant in polishing compositions
    Publication number: 20020147258
    Abstract: An aqueous polishing composition comprising a film forming polymer and an ionic silicone surfactant is described. The polish can be applied to a variety of substrates, particularly to floor surfaces. The coatings are smooth and soil resistant. The polish composition performs as well as state-of-the-art formulations containing a fluorocarbon surfactant.
    Type: Application
    Filed: February 5, 2001
    Publication date: October 10, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Susan K. Yarmey, Adriana Paiva, Augustine C. Liu, Jimmie R. Baran