Patents by Inventor Martin Lichtenthal

Martin Lichtenthal 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 recovering solvent and cellulose in the production of cellulosic spun-bonded nonwoven fabrics
    Patent number: 11939713
    Abstract: A plant (1) for the production of spunbonded nonwoven (8), comprising a spinning solution production (3), a spinning system (2), a device (6) for the delivery of coagulation liquid, at least one conveying device (7, 9) for depositing the spunbonded nonwoven (8), and a collecting device (13) for the spunbonded nonwoven (8), wherein at least one discharge device (14) is provided between the device (6) for the delivery of coagulation liquid and the collecting device (13) for the spunbonded nonwoven (8).
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 26, 2024
    Assignee: LENZING AKTIENGESELLSCHAFT
    Inventors: Ibrahim Sagerer-Foric, Markus Malzner, Martin Lichtenthal
  • METHOD FOR RECOVERING SOLVENT AND CELLULOSE IN THE PRODUCTION OF CELLULOSIC SPUN-BONDED NONWOVEN FABRICS
    Publication number: 20220106719
    Abstract: A plant (1) for the production of spunbonded nonwoven (8), comprising a spinning solution production (3), a spinning system (2), a device (6) for the delivery of coagulation liquid, at least one conveying device (7, 9) for depositing the spunbonded nonwoven (8), and a collecting device (13) for the spunbonded nonwoven (8), wherein at least one discharge device (14) is provided between the device (6) for the delivery of coagulation liquid and the collecting device (13) for the spunbonded nonwoven (8).
    Type: Application
    Filed: December 4, 2019
    Publication date: April 7, 2022
    Inventors: Ibrahim Sagerer-Foric, Markus Malzner, Martin Lichtenthal