Patents by Inventor Eugene A. Ostreicher

Eugene A. Ostreicher 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).

  • Filter and method of making same
    Patent number: 4309247
    Abstract: Filter media sheets comprising particulate retention aid consisting of cellulose pulp of +100 to -100 Canadian Standard Freeness, and method of making the same.
    Type: Grant
    Filed: February 21, 1980
    Date of Patent: January 5, 1982
    Assignee: AMF Incorporated
    Inventors: Kenneth C. Hou, Eugene A. Ostreicher
  • Filter and method of making same
    Patent number: 4305782
    Abstract: A filter media sheet comprising fine particulate and a self-bonding matrix of cellulose fiber, the surfaces of at least one of which are modified with cationic colloidal silica.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: December 15, 1981
    Assignee: AMF Incorporated
    Inventors: Eugene A. Ostreicher, Kenneth C. Hou
  • Method for removing cationic contaminants from beverages
    Patent number: 4288462
    Abstract: Process for production of anionically charged filter media sheet including pretreatment of filter elements with cationic charge modifier, preferably employing inorganic colloidal silica charge modifiers. The resulting filters are used for the removal of haze or haze formers from beverages.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: September 8, 1981
    Assignee: AMF Incorporated
    Inventors: Kenneth C. Hou, Eugene A. Ostreicher
  • Fibrous filter medium and process
    Patent number: 4007114
    Abstract: Improved filter media comprised of negatively charged high surface area fibrous filter material the surface of which is modified by treatment with a melamine-formaldehyde cationic colloid, processes for the production thereof, and use in liquid filtration to remove submicron contaminants including negatively charged particles. Glass microfiber treated with Parez 607 colloid is preferred.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: February 8, 1977
    Assignee: AMF Incorporated
    Inventor: Eugene A. Ostreicher
  • Particulate filter medium and process
    Patent number: 4007113
    Abstract: Improved filter media comprised of negatively charged high surface area particulate filter material the surface of which is modified with a melamine-formaldehyde cationic colloid; processes for the preparation thereof; and use in liquid filtration to remove submicron contaminants including negatively charged particles.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: February 8, 1977
    Assignee: AMF Incorporated
    Inventor: Eugene A. Ostreicher