Patents by Inventor Jeffrey M. Leitinger

Jeffrey M. Leitinger 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).

  • Multi-ply paperboard prepared from recycled materials and methods of manufacturing same
    Patent number: 6833055
    Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: December 21, 2004
    Assignee: Rock-Tenn Company
    Inventors: James K. Hansen, Richard L. Munson, Jr., Roberto Balaguer, Jr., Jeffrey M. Leitinger, Thomas F. Barton
  • Multi-ply paperboard prepared from recycled materials and methods of manufacturing same
    Publication number: 20040069428
    Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.
    Type: Application
    Filed: September 2, 2003
    Publication date: April 15, 2004
    Inventors: James K. Hansen, Richard L. Munson, Roberto Balaguer, Jeffrey M. Leitinger, Thomas F. Barton
  • Multi-ply paperboard prepared from recycled materials and methods of manufacturing same
    Patent number: 6669814
    Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: December 30, 2003
    Assignee: Rock-Tenn Company
    Inventors: James K. Hansen, Richard L. Munson, Jr., Roberto Balaguer, Jr., Jeffrey M. Leitinger, Thomas F. Barton
  • MULTI-PLY PAPERBOARD PREPARED FROM RECYCLED MATERIALS AND METHODS OF MANUFACTURING SAME
    Publication number: 20030168191
    Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.
    Type: Application
    Filed: March 26, 2002
    Publication date: September 11, 2003
    Inventors: James K. Hansen, Richard L. Munson, Roberto Balaguer, Jeffrey M. Leitinger, Thomas F. Barton