Patents by Inventor Jonas L. Lu

Jonas L. Lu 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).

  • Low efflorescence tile grout composition
    Patent number: 9776918
    Abstract: The present invention provides a dry mix of cement, sand, metakaolin in the amount of 5 wt % or less, based on total solids in the dry mix, and aluminum cement in a low amount (?1 wt. %, based on total solids in the dry mix) useful as a tile grout, as well as uses thereof and to methods of using the same as a tile grout. The dry mix when made into a mortar exhibits excellent resistance to efflorescence as a tile grout.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: October 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventor: Jonas L. Lu
  • LOW EFFLORESCENCE TILE GROUT COMPOSITION
    Publication number: 20150113907
    Abstract: The present invention provides a dry mix of cement, sand, metakaolin in the amount of 5 wt % or less, based on total solids in the dry mix, and aluminum cement in a low amount (?1 wt. %, based on total solids in the dry mix) useful as a tile grout, as well as uses thereof and to methods of using the same as a tile grout. The dry mix when made into a mortar exhibits excellent resistance to efflorescence as a tile grout.
    Type: Application
    Filed: December 29, 2011
    Publication date: April 30, 2015
    Inventor: Jonas L. Lu