Patents Represented by Law Firm Lieberstein E.
  • Cementatious admixture
    Patent number: 4773934
    Abstract: A cementatious admixture for use either as a mortar, cement or concrete when added to water comprising a hydraulic cement, such as Portland cement, in combination with presized inorganic filler particles having a maximum particle size of about 50 microns and in a predetermined relationship by weight to the Portland cement. The added water must also satisfy a relationship to the weight of hydraulic cement to provide thixotropy and nondilatency.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: September 27, 1988
    Assignee: Cemtech Laboratories Inc.
    Inventor: Laurence Colin