Patents Assigned to Eterna-Tec Corporation
  • Cementitious compositions and methods of making same
    Patent number: 4482384
    Abstract: The present invention is directed to an additive composition or admixture for incorporation in cementitious compositions such as concretes, mortars and grouts, neat cement mixes, and dry mixes for the same. These cementitious mixtures are especially suited for application in adverse environments such as undersea, desert, or alkaline soil conditions. The cementitious compositions include Portland cement, refractory cement, an alkaline metal carbonate, a carbohydrate, a fatty acid ester, and preferably, a suitable aggregate.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: November 13, 1984
    Assignee: Eterna-Tec Corporation
    Inventor: Charles H. Miller