Patents by Inventor Stanley Katzen

Stanley Katzen 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).

  • Publication number: 20070142577
    Abstract: This invention relates to a method to polymerize olefins comprising contacting a solid aluminum or solid titanium compound with a supported catalyst compound, heating the solid aluminum or solid titanium compound to cause the solid compound to vaporize, optionally activating the support by oxidation, thereafter contacting the activated support with one or more olefin monomers.
    Type: Application
    Filed: February 6, 2007
    Publication date: June 21, 2007
    Inventors: Stanley Katzen, Anthony Speca
  • Publication number: 20070099794
    Abstract: This invention relates to a method of preparing a supported catalyst comprising the steps of contacting a solid titanium with a supported catalyst compound, and heating the combination to at least 150° C.
    Type: Application
    Filed: December 19, 2006
    Publication date: May 3, 2007
    Inventors: Stanley Katzen, Anthony Speca
  • Publication number: 20060089468
    Abstract: This invention relates to a method of preparing a supported catalyst comprising the steps of contacting a solid titanium or solid aluminum compound with a supported catalyst compound, and heating the combination to at least 150° C.
    Type: Application
    Filed: September 9, 2005
    Publication date: April 27, 2006
    Inventors: Stanley Katzen, Anthony Speca
  • Publication number: 20050192177
    Abstract: The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues. It also relates to extruded pipe and utility conduit resins comprising polyethylene, household/industrial chemicals container resins, and to a polyethylene resin particularly suitable for large parts by blow molding and sheet extrusion procedures, wherein the resin is made by a process using an activated chromium and titanium-based catalyst.
    Type: Application
    Filed: February 16, 2005
    Publication date: September 1, 2005
    Inventors: Scott Roger, Thomas Towles, Anthony Speca, Stanley Katzen
  • Publication number: 20050119426
    Abstract: This invention is related to a polyethylene resin particularly suitable for large parts by blow molding and/or sheet extrusion/thermoforming procedures, wherein the resin is made by a process using an activated chromium and titanium-based catalyst.
    Type: Application
    Filed: October 25, 2004
    Publication date: June 2, 2005
    Inventors: Scott Roger, Thomas Towles, Anthony Speca, Stanley Katzen