Patents by Inventor Ralf-lngo STEIN

Ralf-lngo STEIN 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 an, in particular oral, active substance laminate, and active substance laminate, in particular oral active substance laminate
    Patent number: 11628141
    Abstract: The invention relates to a method for producing an active substance laminate, especially an oral active substance laminate (100), having at least one active-substance-containing layer (31), which is arranged on a substrate (20), wherein the method comprises the following steps: a) providing a substrate (20) having an upper side (21) and an underside (22); b) applying an active-substance-containing mass (24) in a gap (25) formed by a first rotating roller (26) and a second rotating roller (27); c) transporting the substrate (20) to the second roller (27) by means of a third rotating roller (28) in such a way that the active-substance-containing mass (24) is applied to the upper side (21) of the substrate (20) by the second roller (27) in the form of an active-substance-containing layer (31); d) transporting an intermediate laminate (30), formed by the substrate (20) and the active-substance-containing layer (31), to a drying device (40); and e) drying the intermediate laminate (30), especially the active-su
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: April 18, 2023
    Assignee: LTS LOHMANN THERAPIE-SYSTEME AG
    Inventors: Michael Hoffmann, Elvira Kirstgen, Ralf-lngo Stein, Sandra Wiedersberg, Thomas Stumper
  • METHOD FOR PRODUCING AN, IN PARTICULAR ORAL, ACTIVE SUBSTANCE LAMINATE, AND ACTIVE SUBSTANCE LAMINATE, IN PARTICULAR ORAL ACTIVE SUBSTANCE LAMINATE
    Publication number: 20200030233
    Abstract: The invention relates to a method for producing an active substance laminate, especially an oral active substance laminate (100), having at least one active-substance-containing layer (31), which is arranged on a substrate (20), wherein the method comprises the following steps: a) providing a substrate (20) having an upper side (21) and an underside (22); b) applying an active-substance-containing mass (24) in a gap (25) formed by a first rotating roller (26) and a second rotating roller (27); c) transporting the substrate (20) to the second roller (27) by means of a third rotating roller (28) in such a way that the active-substance-containing mass (24) is applied to the upper side (21) of the substrate (20) by the second roller (27) in the form of an active-substance-containing layer (31); d) transporting an intermediate laminate (30), formed by the substrate (20) and the active-substance-containing layer (31), to a drying device (40); and e) drying the intermediate laminate (30), especially the active-su
    Type: Application
    Filed: April 5, 2018
    Publication date: January 30, 2020
    Inventors: Michael HOFFMANN, Elvira KIRSTGEN, Ralf-lngo STEIN, Sandra WIEDERSBERG, Thomas STUMPER