Patents by Inventor Wolfram Salzburger

Wolfram Salzburger 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 and agent for the oxidative bleaching of wood pulp and for deinking waste paper
    Patent number: 5607544
    Abstract: The present invention provides a process for the oxidative bleaching of wood pulps and for deinking waste paper by means of hydrogen peroxide and a stabilizing agent, wherein, as stabilizing agent, there is used 2-oxo-2-(4-hydroxyphenyl)-acethydroximic acid chloride (N,4-dihydroxy-.alpha.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: March 4, 1997
    Assignee: BK Ladenburg GmbH fur Chemische Erzeugnisse
    Inventors: Wolfram Salzburger, Silke Eifler, Margarete Scholl