Patents by Inventor Lawrence E. Schulz

Lawrence E. Schulz 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).

  • Hydroconversion catalyst and method for making the catalyst
    Publication number: 20040106516
    Abstract: A high-activity hydrotreating catalyst, having a low density, suitable for deep removal of sulfur, nitrogen, micro-carbon residue and organometallic contaminants from hydrocarbon feedstocks is disclosed. Further disclosed is a method of preparation of this catalyst, which may contain 0.3-10 wt % of a Group IVB metal promoter, 5-25 wt % of a Group VIB metal component, and 1-8 wt % of a Group VIII metal, along with a method of hydrotreating employing this catalyst.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 3, 2004
    Inventors: Lawrence E. Schulz, Kirk R. Gibson, Julie Chabot, Bruno C. Nesci
  • Thixotropic refractory binder based upon aluminum phosphate gelled silica sols
    Patent number: 4212680
    Abstract: An improved binder is based upon an aluminum phosphate gelled colloidal silica. The composition of the binder may vary within the following limits (calcined basis):______________________________________ Colloidal Silica 60-85% P.sub.2 O.sub.5 5-35% Al.sub.2 O.sub.3 5-15%.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: July 15, 1980
    Assignee: Nalco Chemical Co.
    Inventor: Lawrence E. Schulz