Patents by Inventor Heinz-Guenther Schulte

Heinz-Guenther Schulte 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).

  • Process for controlling the deposition of stickies from paper stock suspensions
    Patent number: 5474655
    Abstract: The invention relates to a process for controlling the deposition of stickies from paper stock suspensions in papermaking. According to the invention, the deposition of stickies is controlled by addition of an effective quantity of a degradation product of native starch to the paper stock suspension.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: December 12, 1995
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Heinz-Guenther Schulte, Klaus Hornfeck, Dieter Kaps
  • Process for preparing 1-alkylimidazoles
    Patent number: 5011934
    Abstract: Imidazoles are alkylated at the 1-position by adding an alkyl halide a mixture comprising an imidazole, a non-reactive aromatic solvent and a base at temperature of from about 75.degree. C. to about 115.degree. C. and then maintaining the temperature for a period of time sufficient to produce the 1-alkylimidazole and then separating any inorganic material from the product.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: April 30, 1991
    Assignee: Henkel Research Corporation
    Inventors: Heinz-Guenther Schulte, Jeffrey L. Narum, Michael R. Johnson
  • Process for bonding substrates impermeable to water vapor
    Patent number: 4913969
    Abstract: A process for improving the bonding of hotmelt materials which post crosslink in the presence of moisture, to water vapor impermeable substrates by applying an activator material, which release bound water at the hotmelt application temperature, to at least one of the water vapor impermeable substrates.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: April 3, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Heinz-Guenther Schulte, Guenter Tauber, Wolfgang Pille-Wolf