Patents by Inventor HOEGANAES CORPORATION

HOEGANAES CORPORATION 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).

  • LUBRICANT SYSTEM FOR USE IN POWDER METALLURGY
    Publication number: 20130224060
    Abstract: The present invention is directed to metallurgical powder compositions having improved lubricant properties. These compositions of the invention include at least 90 wt. % of an iron-based metallurgical powder; a Group 1 or Group 2 metal stearate; a first wax having a melting range of between about 80 and 100° C.; a second wax having a melting range of between about 80 and 90° C.; inc phosphate; boric acid; acetic acid; phosphoric acid; and polyvinylpyrrolidone. Methods of compacting the compositions, as well as compacted articles prepared using those methods, are also described.
    Type: Application
    Filed: February 22, 2013
    Publication date: August 29, 2013
    Applicant: HOEGANAES CORPORATION
    Inventor: HOEGANAES CORPORATION