Patents by Inventor Erich Schmidt-Kluge

Erich Schmidt-Kluge 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: 8778449
    Abstract: Slurry which contains a) from (50) to (80)% by weight of refractory particles having an average particle size of from (0.5) m to (150) m, b) from (5) to (35)% by weight of aluminum oxide particles having an average particle diameter of less than (300) nm and c) from (5) to (35)% by weight of water and d) a pH of from (5) to (12). Process for producing the slurry using a dispersion, and also the dispersion itself. Process for producing a casting mold, and also the casting mold itself.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: July 15, 2014
    Assignees: Evonik Degussa GmbH, Center for Abrasives and Refractories Research & Development C.A.R.R.D. GmbH
    Inventors: Christoph Tontrup, Wolfgang Lortz, Gabriele Perlet, Erich Schmidt-Kluge, Danilo Frulli
  • Publication number: 20120111224
    Abstract: Slurry which contains a) from (50) to (80) % by weight of refractory particles having an average particle size of from (0.5) m to (150) m, b) from (5) to (35) % by weight of aluminium oxide particles having an average particle diameter of less than (300) nm and c) from (5) to (35) % by weight of water and d) a pH of from (5) to (12). Process for producing the slurry using a dispersion, and also the dispersion itself. Process for producing a casting mould, and also the casting mould itself.
    Type: Application
    Filed: March 30, 2010
    Publication date: May 10, 2012
    Applicants: CENTER FOR ABRASIVES & REFRAC R & D C.A.R.R.D GMBH, EVONIK DEGUSSA GmbH
    Inventors: Christoph Tontrup, Wolfgang Lortz, Gabriele Perlet, Erich Schmidt-Kluge, Danilo Frulli