Patents by Inventor Winfried Aschern

Winfried Aschern 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 stabilizing beta-hemihydrate plaster
    Patent number: 9751805
    Abstract: The instant invention is concerned with the post-treatment of ?-hemihydrate plasters for the purpose of stabilization. The invention relies in the addition of a retardant to the calcined ?-hemihydrate. It is also the purpose of the invention to provide stabilized ?-hemihydrate plasters which exhibit advantageous properties.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: September 5, 2017
    Assignee: ETEX BUILDING PERFORMANCE SAS
    Inventors: Winfried Aschern, Jörg Bold
  • METHOD FOR STABILIZING BETA-HEMIHYDRATE PLASTER
    Publication number: 20150152010
    Abstract: The instant invention is concerned with the post-treatment of ?-hemihydrate plasters for the purpose of stabilization. The invention relies in the addition of a retardant to the calcined ?-hemihydrate. It is also the purpose of the invention to provide stabilized ?-hemihydrate plasters which exhibit advantageous properties.
    Type: Application
    Filed: June 5, 2013
    Publication date: June 4, 2015
    Applicant: SINIAT INTERNATIONAL SAS
    Inventors: Winfried Aschern, Jörg Bold