Patents by Inventor Atanas Koulov

Atanas Koulov 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).

  • Patent number: 11852564
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for providing a displacement of a rubber stopper for leakage testing of a connection between the rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: December 26, 2023
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Publication number: 20230134438
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for providing a displacement of a rubber stopper for leakage testing of a connection between the rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 4, 2023
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Patent number: 11499885
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for providing a displacement of a rubber stopper for leakage testing of a connection between the rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 15, 2022
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Patent number: 11389599
    Abstract: The present invention relates to a displacement device, DD, for providing a displacement of a syringe closure system for a syringe relative to the syringe, a testing device, TD, and a method for leakage testing of a connection of a syringe closure system for a syringe with the syringe.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: July 19, 2022
    Assignee: Lonza Ltd
    Inventors: Martin Vogt, Roman Mathaes, Sarah Pelaez, Anja Matter, Atanas Koulov, Hanns-Christian Mahler
  • Patent number: 11346742
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for leakage testing of a connection between a rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 31, 2022
    Assignee: Lonza Ltd
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Publication number: 20220134010
    Abstract: The present invention relates to a testing device for testing the moving force of a plunger of a syringe, comprising a fixture, FX, (3) for holding a syringe (8) in the testing device, TD, (1) for moving force testing, wherein the fixture (3) comprises an annular holding element, AHE, (5) for holding part of the syringe (8), and a support frame, SF, (30) having a support plate, SP, (300) for supporting the annular holding element, AHE, (5), wherein the annular holding element, AHE, (5) is detachably connected to the support plate, SP, (300) via an indirect connection via at least one intermediate element, IE, (10) between the at least one annular holding element, AHE, (5) and the support plate, SP, (300), wherein one intermediate element, IE, (10) is a tempering cylinder, TC, (7) for tempering at least part of the syringe (8). The invention further relates to a method for testing the moving force of a plunger of a syringe.
    Type: Application
    Filed: February 21, 2020
    Publication date: May 5, 2022
    Inventors: Martin Vogt, Roman Mathaes, Atanas Koulov, Hanns-Christian Mahler
  • Publication number: 20220040416
    Abstract: The present invention relates to a displacement device, DD, for providing a displacement of a syringe closure system for a syringe relative to the syringe, a testing device, TD, and a method for leakage testing of a connection of a syringe closure system for a syringe with the syringe.
    Type: Application
    Filed: February 7, 2020
    Publication date: February 10, 2022
    Inventors: Martin Vogt, Roman Mathaes, Sarah Pelaez, Anja Matter, Atanas Koulov, Hanns-Christian Mahler
  • Publication number: 20220042873
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for providing a displacement of a rubber stopper for leakage testing of a connection between the rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Application
    Filed: December 17, 2019
    Publication date: February 10, 2022
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Publication number: 20210389206
    Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for leakage testing of a connection between a rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.
    Type: Application
    Filed: November 22, 2019
    Publication date: December 16, 2021
    Inventors: Martin Vogt, Roman Mathaes, Hanns-Christian Mahler, Atanas Koulov, Gabriele Roidl, Franziska Riesen Fuchs
  • Publication number: 20210096130
    Abstract: The present disclosure provides compositions, methods, and kits for detecting lipolytic activity. In some embodiments, the composition comprises an aqueous assay sample and an organic solvent, wherein the organic solvent comprises 4-methylumbelliferyl oleate (4MuO). Also provided herein are methods for determining the stability of a protein preparation.
    Type: Application
    Filed: September 9, 2020
    Publication date: April 1, 2021
    Inventors: Hanns-Christian MAHLER, Filip FEDOROWICZ, Michael JAHN, Andreas ZERR, Atanas KOULOV
  • Patent number: 10895514
    Abstract: Devices and methods for container closure integrity testing by leak testing, in particular of pharmaceutical containers, which are composed of two parts, the container itself, which shows an opening, and a closure system that is used to close this opening of the container, such as a lid; and their application in quality control.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 19, 2021
    Assignee: Lonza Ltd
    Inventors: Roman Mathaes, Anja Matter, Sarah Pelaez, Hanns-Christian Mahler, Atanas Koulov, Benjamin Zucol, Martin Vogt, Lorenz Hochwallner
  • Patent number: 10801913
    Abstract: The present invention relates to a method and a device for determining the robustness and tolerance of pre-filled containers, in particular pre-filled syringes (PFS) against accidental movement of flexible parts, specifically tip cap and/or plunger movement due to external influences by measuring the leakage rate of a test medium in correlation to a movement of a flexible parts.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 13, 2020
    Assignee: Lonza Ltd
    Inventors: Roman Mathaes, Anja Matter, Sarah Pelaez, Hanns-Christian Mahler, Atanas Koulov
  • Publication number: 20200276394
    Abstract: The present invention relates to a method and a device for determining the robustness and tolerance of pre-filled containers, in particular pre-filled syringes (PFS) against accidental movement of flexible parts, specifically tip cap and/or plunger movement due to external influences by measuring the leakage rate of a test medium in correlation to a movement of a flexible parts.
    Type: Application
    Filed: September 13, 2018
    Publication date: September 3, 2020
    Inventors: Roman Mathaes, Anja Matter, Sarah Pelaez, Hanns-Christian Mahler, Atanas Koulov
  • Publication number: 20200271541
    Abstract: The invention discloses devices and methods for container closure integrity testing by leak testing, in particular of pharmaceutical containers, which are composed of two parts, the container itself, which shows an opening, and a closure system that is used to close this opening of the container, such as a lid; and their application in quality control.
    Type: Application
    Filed: September 13, 2018
    Publication date: August 27, 2020
    Inventors: Roman Mathaes, Anja Matter, Sarah Pelaez, Hanns-Christian Mahler, Atanas Koulov, Benjamin Zucol, Martin Vogt, Lorenz Hochwallner