Patents by Inventor Ludbert Graf zu Munster

Ludbert Graf zu Munster 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 binding waste liquor or sludge
    Patent number: 4338134
    Abstract: An improved process for binding waste liquor or sludge comprising adding a hydraulic mortar to waste liquor or sludge to form a mixture and allowing the mixture to set, the improvement consisting of subjecting the mixture of hydraulic mortar and waste liquor or sludge to a milling operation before the mixture is allowed to set.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: July 6, 1982
    Assignee: Handelskontor Ludbert Graf zu Munster GmbH & Co.
    Inventor: Ludbert Graf zu Munster