Patents by Inventor Ken Sroka

Ken Sroka 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).

  • Water-repellent concrete admixture
    Patent number: 11623895
    Abstract: Various inventive concepts of the present invention are directed to a water-repellent concrete admixture for the production of water-repellent masonry. In some exemplary embodiments, the water-repellent admixture includes water, a hydrolyzable silane, at least one silicone; and an amino-functional silane. The water-repellent concrete admixture is incorporated integrally into a concrete mixture.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: April 11, 2023
    Assignee: THE EUCLID CHEMICAL COMPANY
    Inventors: Ken Sroka, Jeremiah Brown
  • WATER-REPELLENT CONCRETE ADMIXTURE
    Publication number: 20150203408
    Abstract: Various inventive concepts of the present invention are directed to a water-repellent concrete admixture for the production of water-repellent masonry. In some exemplary embodiments, the water-repellent admixture includes water, a hydrolyzable silane, at least one silicone; and an amino-functional silane. The water-repellent concrete admixture is incorporated integrally into a concrete mixture.
    Type: Application
    Filed: January 21, 2015
    Publication date: July 23, 2015
    Inventors: Ken Sroka, Jeremiah Brown
  • Cementitious dry cast mixture
    Patent number: 6461425
    Abstract: The present invention is directed to cementitious dry cast mixtures for forming cementitious articles, particularly a cementitious dry cast mixture containing a dispersant, wherein said dispersant is a derivatized polycarboxylate dispersant which is a polymer comprising units derived from at least a substituted carboxylic acid monomer or substituted ethylenically unsaturated monomer, and optionally including at least one of an unsaturated hydrocarbon, an N-polyoxyalkylene maleimide, and a condensation product of an unsubstituted carboxylic acid monomer and an alkoxypolyoxyalkylene primary amine substituted carboxylic acid monomer.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: October 8, 2002
    Assignee: MBT Holding AG
    Inventors: Heath Brown, Jeffrey R. Bury, Lan Huang, Runhai Lu, Jesse Osborne, Ken Sroka, Thomas M. Vickers, Jr.
  • Cementitious dry cast mixture
    Patent number: 6267814
    Abstract: The present invention is directed to cementitious dry cast mixtures for forming cementitious articles, particularly a cementitious dry cast mixture containing a dispersant, wherein said dispersant is a derivatized polycarboxylate dispersant which is a polymer comprising units derived from at least a substituted carboxylic acid monomer or substituted ethylenically unsaturated monomer, and optionally including at least one of an unsaturated hydrocarbon, an N-polyoxyalkylene maleimide, and a condensation product of an unsubstituted carboxylic acid monomer and an alkoxypolyoxyalkylene primary amine substituted carboxylic acid monomer.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: July 31, 2001
    Assignee: MBT Holding AG
    Inventors: Jeffrey R. Bury, Jesse Osborne, Thomas M. Vickers, Jr., Ken Sroka, Runhai Lu, Lan Huang, Heath Brown