Patents by Inventor Steven M. Wolfgang

Steven M. Wolfgang 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).

  • Stearate composition and method of production thereof
    Patent number: 7456306
    Abstract: An improved alkali earth metal stearate composition is disclosed and is prepared by reacting a fatty acid component including at least about 80% by weight stearic acid and at least about 5% by weight palmitic acid with an alkali hydroxide to form an alkali soap. An aqueous metal salt solution is then added to the soap to form the improved alkali earth metal stearate. The improved alkali earth metal stearate includes a significant amount of the dihydrate form of the stearate.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: November 25, 2008
    Assignee: Mallinckrodt Inc
    Inventors: Steven M. Wolfgang, Todd P. Heider
  • Stearate composition and method
    Patent number: 7385068
    Abstract: An improved alkaline earth metal stearate composition is disclosed and is prepared by reacting a fatty acid component including stearic acid and palmitic acid with an alkali hydroxide to form an alkaline soap. An aqueous metal salt solution is then added to the soap, and pH adjusted to less than about pH 8 to form the improved alkaline earth metal stearate. The improved alkaline earth metal stearate provides a substantially pure amount of the dihydrate form of the stearate.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: June 10, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Todd P. Heider, Steven M. Wolfgang, Scot R. Randle