Patents by Inventor Hans-Jorg Vidic

Hans-Jorg Vidic 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).

  • Process for the production of 17 .alpha.-hydroxy-3-methoxy-8,14-seco-1,3,5(10),9(11)estratetraen-14-one by reduction of the corresponding 17-one compound
    Patent number: 5773264
    Abstract: A process for the production of 17.alpha.-hydroxy-3-methoxy-8,14-seco-1,3,5 (10),9(11)estratetraen-14-one by fermentation of 3-methoxy-8,14-seco-1,3,5(10),9(11) -estratetraene-14,17-dione with a live culture of Kloeckera magna is described, which is characterized in that the substrate is reacted in the form of a solventless aqueous suspension with an average grain size of 0.2 to 5 .mu.m.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: June 30, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Alfred Weber, Mario Kennecke, Hans-Jorg Vidic
  • Iron citrate complex, process for its production, and its pharmaceutical
    Patent number: 5206265
    Abstract: The invention relates to an iron citrate micellar complex having a composition of 10.6% carbon, 2.62% hydrogen, 50.2% oxygen, 32% iron, and 4.6% sodium; a molecular weight of about 33,000 (HPLC-LALLS measurement); and the empirical formula (C.sub.31 H.sub.92 O.sub.110 Fe.sub.20 Na.sub.7).sub.n ; to a process for its production; and to its pharmaceutical use.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: April 27, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans-Jorg Vidic, Eraldo Antonini, deceased
  • Process for the preparation of heparin
    Patent number: 4283530
    Abstract: Heparin is extracted from intestinal brine, i.e., from the brine which results from the preservation and dewatering treatment of animal tissue with sodium chloride, using conventional methods. The extracted product has a high activity and can subsequently be further purified to yield very high heparin activities.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: August 11, 1981
    Assignee: Schering Aktiengesellschaft
    Inventor: Hans-Jorg Vidic
  • 7-Hydroxyestradiols
    Patent number: 4011314
    Abstract: 7-Hydroxyestradiols of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, cycloalkyl, an oxygenated saturated heterocyclic group or hydrocarbylsulfonyl; R.sub.2 and R.sub.3 each are hydrogen, acyl, oxygenated saturated heterocyclic group or R.sub.2 is hydrocarbylsulfonyl and R.sub.4 is alkyl, alkenyl, chlorinated alkenyl, alkynyl or chlorinated alkynyl, are useful for treating estrogen deficiency symptoms.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: March 8, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Karl Petzoldt, Hans-Jorg Vidic, Klaus Prezewowsky, Yukishige Nishino, Rudolf Wiechert, Henry Laurent