Patents by Inventor Winnie Matthes

Winnie Matthes 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).

  • Concrete composition
    Patent number: 10669204
    Abstract: A concrete composition having, in a mixture with water, a hydraulic binder, sand, aggregates, an expanding agent and a shrinkage reducing admixture, wherein the expanding agent is calcium oxide having a low reactivity such that the concrete casted using the composition does not expand by more than 0.05 vol. % during the first 10 days, preferably not expanding more than 0.05 vol. % during the first 7 days, after having been cast.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: June 2, 2020
    Assignee: Holcim Technology Ltd.
    Inventors: Moussa Baalbaki, Bill Gong, David Babayan, Winnie Matthes
  • HYDRAULIC BINDER
    Publication number: 20140144350
    Abstract: A hydraulic binder containing 25 to 85 wt % of cement clinker, 0 to 7 wt % of CaSO4, a mineral additive(s), and 1 to 10 wt % of a dual setting control system that includes an activator and a retarder, in a weight ratio of activator to retarder, based on the dry substance selected to be greater than 85:15, in particular greater than 90:10, more particularly greater than 95:5, and, in particular, greater than 98:2.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 29, 2014
    Applicant: HOLCIM TECHNOLOGY LTD.
    Inventors: Winnie Matthes, Zarina Castelltort, Thomas Matschei, Moussa Baalbaki