Patents by Inventor Werner Krohm

Werner Krohm 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).

  • Construction material mixture, a method for producing same, and use thereof
    Patent number: 9296652
    Abstract: A construction material mixture used as a concrete additive contains a puzzolanic substrate and a photocatalyst. The puzzolanic substrate and the photocatalyst are available in the form of a dry mixture. The construction material mixture is a cement free dry mixture, wherein the photocatalyst has a primary particle size of between 2 nm and 100 nm. The puzzolanic substrate consists of at least 90 weight % of fly ash with a grain size of between 0.1 ?m and 1 mm. The substrate and the photocatalyst are available completely mixed so that the photocatalyst is at least partially distributed on the surface of the substrate.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: March 29, 2016
    Assignees: Steag Power Minerals GmbH, Kronos International, Inc.
    Inventors: Werner Krohm, Jürgen Bender, Christian Scheidt
  • CONSTRUCTION MATERIAL MIXTURE, A METHOD FOR PRODUCING SAME, AND USE THEREOF
    Publication number: 20140329670
    Abstract: A construction material mixture used as a concrete additive contains a puzzolanic substrate and a photocatalyst. The puzzolanic substrate and the photocatalyst are available in the form of a dry mixture. The construction material mixture is a cement free dry mixture, wherein the photocatalyst has a primary particle size of between 2 nm and 100 nm. The puzzolanic substrate consists of at least 90 weight % of fly ash with a grain size of between 0.1 ?m and 1 mm. The substrate and the photocatalyst are available completely mixed so that the photocatalyst is at least partially distributed on the surface of the substrate.
    Type: Application
    Filed: November 15, 2012
    Publication date: November 6, 2014
    Applicants: KRONOS INTERNATIONAL, INC., STEAG POWER MINERALS GMBH
    Inventors: Werner Krohm, Jurgen Bender, Christian Scheidt