Patents by Inventor Heinz-Jochen Auer

Heinz-Jochen Auer 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).

  • Publication number: 20040253383
    Abstract: The invention relates to a method for coating a surface. According to said method, a coating substance having a viscosity of <100 Pa.s, measured at 25° C., is applied to a surface to be coated and left to harden. The inventive method is characterised in that, during the application of the coating substance, a gas flow is guided over the surface to be coated by means of at least one mobile overpressure ventilation device.
    Type: Application
    Filed: May 18, 2004
    Publication date: December 16, 2004
    Inventors: Pavel Belik, Heinz-Jochen Auer, Wolfram Desch, Dieter Raab, Stefan Krall, Juergen Streit, Sybille Scholl
  • Patent number: 4847309
    Abstract: Methods for making foundry sand containing a binder by combining a dried powdered carboxylated polymer, partially in its salt form, with dry or wet foundry sand free of binder.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: July 11, 1989
    Assignee: Rohm GmbH
    Inventors: Wolfgang Klesse, Heinz-Jochen Auer, Peter Quis
  • Patent number: 4585809
    Abstract: An aqueous dispersion of a copolymer comprising:(A) from 20 to 90 percent by weight of an unsaturated carboxylic acid of the formula ##STR1## where R.sub.1, R.sub.2, R.sub.3 are hydrogen, alkyl, or --(CH.sub.2).sub.n COOM and M is a proton or an alkali metal or alkaline earth metal or an ammonium cation, and(B) from 10 to 80 percent of at least one other comonomer different from and copolymerizable with A; methods of making a ready-to-use foundry molding sand by mixing such a dispersion with sand; and such ready-to-use foundry molding sands.
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: April 29, 1986
    Assignee: Rohm GmbH
    Inventors: Heinz-Jochen Auer, Wolfgang Klesse, Peter Quis, Walther W. Szubinski