Patents by Inventor Bert Steffan

Bert Steffan 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).

  • Synthesis of equol
    Patent number: 8969596
    Abstract: Subject of the invention is a method for the production of isoflavanes from isoflavones, whereby in a first reaction step (a) the 4-keto group of the isoflavone is reduced in a enantioselective manner, whilst the 2,3-double bond is maintained, to the 4-hydroxy compound.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: March 3, 2015
    Inventor: Bert Steffan
  • METHOD FOR THE DIAGNOSIS OF AMYOTROPHIC LATERAL SKLEROSIS
    Publication number: 20130196358
    Abstract: Subject of the invention is a method for the diagnosis of amyotrophic lateral sclerosis, comprising the steps of a) providing a sample from a patient, b) determining in the sample the level and/or activity of at least one marker, which is indicative of a glucose consumption disorder, c) comparing the level and/or activity to a known standard and d) deducing whether the patient has, or is susceptible to, amyotrophic lateral sclerosis.
    Type: Application
    Filed: May 11, 2011
    Publication date: August 1, 2013
    Inventor: Bert Steffan
  • SYNTHESIS OF EQUOL
    Publication number: 20120094336
    Abstract: Subject of the invention is a method for the production of isoflavanes from isoflavones, whereby in a first reaction step (a) the 4-keto group of the isoflavone is reduced in a enantioselective manner, whilst the 2,3-double bond is maintained, to the 4-hydroxy compound.
    Type: Application
    Filed: August 12, 2009
    Publication date: April 19, 2012
    Inventor: Bert Steffan
  • Novel strobilurine derivatives, their preparation and their use
    Patent number: 4959484
    Abstract: Novel strobilurine derivatives which are suitable for the treatment of disorders and as fungicides are described.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: September 25, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Daum, Gerhard Keilhauer, Gisela Lorenz, Eberhard Ammermann, Wolfgang Weber, Wolfgang Steglich, Bert Steffan, Angela Scherer