Patents by Inventor Edward M. Schulz

Edward M. 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).

  • Method of making and using a hollow fiber microfiltration membrane
    Patent number: 7070721
    Abstract: A hollow fiber microfiltration (MF) membrane is provided. The casting solution used to make this membrane includes a fiber-forming polymer having a degree of polymerization greater than about 1000, a water-soluble polymer, an anhydride with about 2 to 12 carbon atoms, and a solvent. The membrane is formed by mixing and heating these components to form a viscous dope and then extruding the dope through an annular orifice to form a hollow fiber MF membrane. The hollow fiber membrane is then fed through a coagulation bath and two leaching baths. The membrane is especially useful for filtering liquids, such as wine and juice, so as to remove bacteria, gel, and solid particles from the liquids.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: July 4, 2006
    Assignee: Koch Membrane Systems
    Inventors: Jiang Ji, Candeloro DiCecca, Edward M. Schulz, Mahesh Mehta, David Stead, David McKinley, David H. Koch
  • Hollow fiber microfiltration membranes and a method of making these membranes
    Patent number: 6890435
    Abstract: A hollow fiber microfiltration (MF) membrane is provided. The casting solution used to make this membrane includes a fiber-forming polymer having a degree of polymerization greater than about 1000, a water-soluble polymer, an anhydride with about 2 to 12 carbon atoms, and a solvent. The membrane is formed by mixing and heating these components to form a viscous dope and then extruding the dope through an annular orifice to form a hollow fiber MF membrane. The hollow fiber membrane is then fed through a coagulation bath and two leaching baths. The membrane is especially useful for filtering liquids, such as wine and juice, so as to remove bacteria, gel, and solid particles from the liquids.
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: May 10, 2005
    Assignee: Koch Membrane Systems
    Inventors: Jiang Ji, Candeloro DiCecca, Edward M. Schulz, Mahesh Mehta, David Stead, David McKinley, David H Koch
  • Hollow fiber microfiltration membranes and a method of making these membranes
    Publication number: 20030141251
    Abstract: A hollow fiber microfiltration (MF) membrane is provided. The casting solution used to make this membrane includes a fiber-forming polymer having a degree of polymerization greater than about 1000, a water-soluble polymer, an anhydride with about 2 to 12 carbon atoms, and a solvent. The membrane is formed by mixing and heating these components to form a viscous dope and then extruding the dope through an annular orifice to form a hollow fiber MF membrane. The hollow fiber membrane is then fed through a coagulation bath and two leaching baths. The membrane is especially useful for filtering liquids, such as wine and juice, so as to remove bacteria, gel, and solid particles from the liquids.
    Type: Application
    Filed: January 28, 2002
    Publication date: July 31, 2003
    Applicant: Koch Membrane Systems
    Inventors: Jiang Ji, Candeloro DiCecca, Edward M. Schulz, Mahesh Mehta, David Stead, David McKinley, David H. Koch