Patents by Inventor Samy M. Shendy

Samy M. Shendy 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).

  • Patent number: 6076997
    Abstract: A deep mix soil stabilization system comprises a hydraulic cement grout, and a soil dispersant comprising at least one of i) an acrylic acid polymer or copolymer, or a salt thereof, ii) an acrylic acid/sulfonic acid copolymer, or a salt thereof, iii) an acrylic acid/phosphonic acid copolymer or a salt thereof, and iv) a blend of an acrylic acid polymer with at least one of a sulfonic acid polymer and a phosphonic acid polymer, or a salt thereof.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: June 20, 2000
    Assignee: MBT Holding AG
    Inventors: Richard C. First, Samy M. Shendy, Stephen A. Farrington
  • Patent number: 5634972
    Abstract: A method of controlling the hydration of a cementitious composition comprising the steps of:i) providing a cementitious composition containing an amount of a neutralized salt of an alpha-monohydroxy carboxylic acid effective to retard the cementitious composition, said carboxylic acid containing two or more carboxylic acid groups, and subsequently,ii) adding an additional amount of said neutralized salt of an alpha monohydroxy carboxylic acid or a second neutralized salt of an alpha monohydroxy carboxylic acid in an amount sufficient to activate hydration of the retarded cementitious composition, said cementitious composition comprising hydraulic binder and water.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: June 3, 1997
    Assignee: Sandoz Ltd.
    Inventors: John T. Pacanovsky, Lan Huang, Frank T. Gay, Samy M. Shendy