Patents Assigned to Sigma-Aldrich International GmbH
  • Closure for a container
    Patent number: 10737855
    Abstract: A closure (1) for a container comprising a connecting element (2) for connection of the closure to a container, a sealing device (3) for sealing the access to a container content and an interface (4) to an adapter having a coupling receptacle (5). The closure (1) has a delivery position and a use position. In the use position, the sealing device (3) is open. In the delivery position, the sealing device (3) is sealed in a gas and liquid fight manner.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: August 11, 2020
    Assignees: METROHM AG, SIGMA-ALDRICH INTERNATIONAL GMBH
    Inventors: Björn Christensen, Fabian Wahl, Michael Weber, Samuel Schindler, Lukas Wilhelm
  • Electronics assembly for wireless transmission of at least one status information
    Patent number: 10618726
    Abstract: An electronics assembly for wireless transmission of at least one status information of an object comprises a motion sensor for detecting movement of the object. Upon detection of movement, the electronics assembly is set in a transport mode and, upon detection of an absence of a movement, the electronics assembly is set in a stationary mode. The electronics assembly is configured such that the wireless transmission of the at least one status information is effected only in the stationary mode.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: April 14, 2020
    Assignee: SIGMA-ALDRICH INTERNATIONAL GMBH
    Inventors: Fabian Wahl, Gerd Hayenga, Bastian Bachmann, Samuel Schindler, Martin Meyer
  • Use of cyanocinnamic acid derivatives as matrics in MALDI mass spectrometry
    Patent number: 8980642
    Abstract: The present invention relates to the use of cyanocinnamic acid derivatives as a matrix in the MALDI mass spectrometry of an analyte.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: March 17, 2015
    Assignee: Sigma-Aldrich International GmbH
    Inventors: Michael Karas, Thorsten Wolfgang Jaskolla