Patents by Inventor Robert M. Segal

Robert M. Segal 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).

  • Portland-type cements
    Patent number: 4319927
    Abstract: The present invention relates to a hydraulic cement composition having a boron- and halogen-containing component and unusually high full term as well as early strengths and acceptable setting time characteristics, which cement is characterized by the presence, as hydraulically settable calcium silicates, of about 20-70 percent of alpha-prime dicalcium silicate (.alpha.'--C.sub.2 S) and about 10-50 percent of tricalcium silicate C.sub.3 S based upon the weight of the composition.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: March 16, 1982
    Assignee: The Flintkote Company
    Inventor: Robert M. Segal