Patents by Inventor Ulrich Möderl

Ulrich Möderl 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 for producing a cellulose suspension
    Patent number: 10612191
    Abstract: The present invention relates to the preparation of a cellulose suspension, particularly of a premixture for the preparation of a cellulose suspension in organic solvents such as an aqueous N-methylmorpholine N-oxide (NMMO) solution.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: April 7, 2020
    Assignee: Lenzing Aktiengesellschaft
    Inventors: Ulrich Möderl, Christoph Schrempf, Heinrich Firgo
  • METHOD FOR PRODUCING A CELLULOSE SUSPENSION
    Publication number: 20150007952
    Abstract: The present invention relates to the preparation of a cellulose suspension, particularly of a premixture for the preparation of a cellulose suspension in organic solvents such as an aqueous N-methylmorpholine N-oxide (NMMO) solution.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 8, 2015
    Inventors: Ulrich Möderl, Christoph Schrempf, Heinrich Firgo
  • Backwash filter
    Patent number: 8579119
    Abstract: A backwash filter, in particular for highly viscous media, comprising a filter body (2) provided in a casing (1) and forming a cylinder jacket, wherein the casing (1) and the filter body (2) are rotatable about the axis of the filter body (2) relative to one another and wherein the filter body (2) separates a medium inflow space (14) from a medium outflow space (16), and comprising a flushing agent discharge channel (10) extending along a generatrix of the filter body (2), which flushing agent discharge channel (10) is movable relative to the filter body (2) and can be brought into flow connection with the filter body (2) across the entire length thereof and across the entire circumference thereof, with the formation of a stream of flushing agent flowing into the flushing agent discharge channel (10), is characterized, for increasing the efficiency of backwashing and of the throughput as well as for protection of the filter material, in that the flow connection always occurs only across a portion of the longi
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: November 12, 2013
    Assignee: Lenzing Aktiengesellschaft
    Inventors: Christoph Schrempf, Helmut Fuchs, Ulrich Möderl
  • BACKWASH FILTER
    Publication number: 20100065489
    Abstract: A backwash filter, in particular for highly viscous media, comprising a filter body (2) provided in a casing (1) and forming a cylinder jacket, wherein the casing (1) and the filter body (2) are rotatable about the axis of the filter body (2) relative to one another and wherein the filter body (2) separates a medium inflow space (14) from a medium outflow space (16), and comprising a flushing agent discharge channel (10) extending along a generatrix of the filter body (2), which flushing agent discharge channel (10) is movable relative to the filter body (2) and can be brought into flow connection with the filter body (2) across the entire length thereof and across the entire circumference thereof, with the formation of a stream of flushing agent flowing into the flushing agent discharge channel (10), is characterized, for increasing the efficiency of backwashing and of the throughput as well as for protection of the filter material, in that the flow connection always occurs only across a portion of the longi
    Type: Application
    Filed: January 17, 2008
    Publication date: March 18, 2010
    Applicant: Lenzing Aktiengesellschaft
    Inventors: Christoph Schrempf, Helmut Fuchs, Ulrich Möderl