Patents by Inventor Ralf Menda

Ralf Menda 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).

  • MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME
    Publication number: 20240075433
    Abstract: The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombogenicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device comprising the membrane.
    Type: Application
    Filed: October 4, 2021
    Publication date: March 7, 2024
    Inventors: Matthias WESSLING, Michael ALDERS, Ilka ROSE, Michael KATHER, Ralf MENDA, Bernd KRAUSE, Markus STORR, Martin REMPFER, Vivian Stefan KURBEL
  • Filter membrane and device
    Patent number: 11712668
    Abstract: The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure further relates to a method for producing the membrane and a filter device comprising the membrane.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: August 1, 2023
    Assignee: GAMBRO LUNDIA AB
    Inventors: Ralf Menda, Evelyn Grossmann, Carina Zweigart, Bernd Bauer, Michael Schuster
  • MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME
    Publication number: 20220088545
    Abstract: The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombogenicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device comprising the membrane.
    Type: Application
    Filed: January 9, 2020
    Publication date: March 24, 2022
    Inventors: Michael GEBERT, Michael HULKO, Ralf MENDA
  • FILTER MEMBRANE AND DEVICE
    Publication number: 20200222858
    Abstract: The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure further relates to a method for producing the membrane and a filter device comprising the membrane.
    Type: Application
    Filed: July 18, 2018
    Publication date: July 16, 2020
    Inventors: Ralf MENDA, Evelyn HARTMANN, Carina ZWEIGART, Bernd BAUER, Michael SCHUSTER
  • Permselective asymmetric membranes
    Patent number: 10188991
    Abstract: The present invention relates to membranes being suitable e.g. for hemodialysis, hemodiafiltration, or hemofiltration of blood. The invention also relates to a process for the production of the membranes; and to devices comprising the membranes.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: January 29, 2019
    Assignee: GAMBRO LUNDIA AB
    Inventors: Ralf Menda, Martin Rempfer, Joachim Loercher
  • UV-IRRADIATED HOLLOW FIBER MEMBRANES
    Publication number: 20170043299
    Abstract: The present invention relates to porous hollow fiber membranes suitable for hemodialysis, hemodiafiltration or hemofiltration of blood and processes for their production involving UV irradiation of the membrane.
    Type: Application
    Filed: April 30, 2015
    Publication date: February 16, 2017
    Inventors: Bernd KRAUSE, Ralf MENDA, Christof BECK, Joachim LOERCHER, Adriana BOSCHETTI-DE-FIERRO, Rainer BLICKLE
  • PERMSELECTIVE ASYMMETRIC MEMBRANES
    Publication number: 20160207009
    Abstract: The present invention relates to membranes being suitable e.g. for hemodialysis, hemodiafiltration, or hemofiltration of blood. The invention also relates to a process for the production of the membranes; and to devices comprising the membranes.
    Type: Application
    Filed: September 3, 2014
    Publication date: July 21, 2016
    Inventors: Ralf MENDA, Martin REMPFER, Joachim LOERCHER
  • Graft copolymers
    Patent number: 8748538
    Abstract: Graft copolymers of hydrophobic polymers and hydrophilic polymers, a method for their preparation, and their use in membranes for medical treatments such as hemodialysis, hemodiafiltration and hemofiltration, in membranes for water purification, and in membranes for bioprocessing.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: June 10, 2014
    Assignee: Gambro Lundia AB
    Inventors: Bernd Krause, Hermann Goehl, Markus Storr, Ralf Menda, Hans-Georg Herz, Joerg Williardt
  • GRAFT COPOLYMERS
    Publication number: 20130137784
    Abstract: Graft copolymers of hydrophobic polymers and hydrophilic polymers, a method for their preparation, and their use in membranes for medical treatments such as hemodialysis, hemodiafiltration and hemofiltration, in membranes for water purification, and in membranes for bioprocessing.
    Type: Application
    Filed: March 9, 2011
    Publication date: May 30, 2013
    Applicant: GAMBRO LUNDIA AB
    Inventors: Bernd Krause, Hermann Goehl, Markus Storr, Ralf Menda, Hans-Georg Herz, Joerg Williardt