Patents by Inventor Vikram Kumar

Vikram Kumar 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).

  • Efflorescence control in cementitious compositions and masonry units
    Patent number: 6231665
    Abstract: A cementitious composition is disclosed whereby visible efflorescence is prevented when formed into a cement masonry concrete unit. Efflorescence is controlled by incorporation of a polymer comprising a polyacrylic acid or salt or derivative thereof having an average molecular weight in the range of 5004-9,000, and more preferably in the average molecular weight range of 1,000 to 10,000.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: May 15, 2001
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Awdhoot V. Kerkar, Vikram Kumar