Patents by Inventor Hans Leonhard Ohrem

Hans Leonhard Ohrem 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).

  • Publication number: 20150104512
    Abstract: The present invention provides a rapidly disintegrating pharmaceutical formulation in the form of a coated tablet having increased mechanical strength, or hardness. The invention furthermore relates to a process for the production of the coated tablet and to the use of these formulations.
    Type: Application
    Filed: April 2, 2013
    Publication date: April 16, 2015
    Applicant: Merck Patent GmbH
    Inventors: Roberto Ognibene, Sandra Erika Bernhardt, Melanie Mechthild Breidung, Dieter Lubda, Hans-Leonhard Ohrem
  • Patent number: 6824702
    Abstract: The invention relates to an apparatus and a process for the preparation of salt melts, and mixtures thereof, by means of a stirred reactor and a tubular reactor, in which the starting materials are melted and brought to reaction, and the reaction products are subsequently passed through columns or towers for purification.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Leonhard Ohrem, Susanne Brzezinski
  • Publication number: 20040223902
    Abstract: A method and a device for the production of NaDCl4, in which D is aluminum or iron, is described. The method includes a first reaction step in which a melt of aluminum or iron is reacted with chlorine gas to give gaseous metal halide. This is subsequently reacted, in a second reaction step, with solid sodium chloride to give the corresponding compound and is separated off as a melt.
    Type: Application
    Filed: February 27, 2004
    Publication date: November 11, 2004
    Inventor: Hans Leonhard Ohrem
  • Patent number: 6767665
    Abstract: The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: July 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Leonhard Ohrem, Susanne Brzezinski
  • Publication number: 20040115113
    Abstract: The invention relates to a method for the continuous production of salt mixtures. Apparatus, which generally is sealed, is used for this purpose. Said apparatus consists of dosage devices for the required raw materials, a solid matter feed, a reaction vessel and a filtration device, which arc controlled via online analytics. The invention also relates to a salt mixture produced according to said method and to the use thereof.
    Type: Application
    Filed: October 8, 2003
    Publication date: June 17, 2004
    Inventor: Hans-Leonhard Ohrem
  • Patent number: 6733738
    Abstract: The invention relates to a method and a device for the production of NADCl4 in which D is aluminium or iron, where, in a first reaction step, a melt of aluminium or iron is reacted with chlorine gas to give gaseous metal halide, and this is subsequently reacted, in a second reaction step, with solid sodium chloride to give the corresponding compound and is separated off as a melt.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: May 11, 2004
    Assignee: Merck Patent GmbH
    Inventor: Hans Leonhard Ohrem