Patents by Inventor Johannes-Wilhelm Tack

Johannes-Wilhelm Tack 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).

  • Oral fludara of high-purity formulation with quick release of active ingredient
    Patent number: 7148207
    Abstract: This invention relates to a quick-release tablet formulation with >99.19% pure fludara (high-purity fludara) as an active ingredient in a defined composition of residual contaminants.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: December 12, 2006
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Heil, Ulf Tistam, Ralph Lipp, Johannes-Wilhelm Tack
  • Oral fludara of high-purity formulation with quick release of active ingredient
    Publication number: 20030176391
    Abstract: This invention relates to a quick-release tablet formulation with >99.19% pure fludara (high-purity fludara) as an active ingredient in a defined composition of residual contaminants.
    Type: Application
    Filed: December 20, 2002
    Publication date: September 18, 2003
    Applicant: Schering AG
    Inventors: Wolfgang Heil, Ulf Tistam, Ralph Lipp, Johannes-Wilhelm Tack
  • Oxyiminopregnancarbolactones
    Patent number: 6177416
    Abstract: 3-Oxyiminopregnane-21-carbolactones of formula I, wherein R is as defined by the specification, their production and use as pharmaceutical agents are described.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: January 23, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Henry Laurent, Ralph Lipp, Peter Esperling, Johannes-Wilhelm Tack
  • Gestodene-containing agent for transdermal administration
    Patent number: 5788984
    Abstract: An agent for transdermal administration contains gestodene, optionally in combination with one or more estrogen(s).
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: August 4, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Clemens Guenther, Ulrich Taeuber, Karin Schmidt-Gollwitzer, Jutta Riedl, Johannes Wilhelm Tack
  • Device for transdermal administration of active medicinal agents
    Patent number: 5071657
    Abstract: A device for transdermal administration of active medicinal agents is based on the active medicinal agent dissolved to an extent of at least 50% in a nonflowable, physiologically acceptable gel, which latter is distributed in a microdisperse mode in a crosslinked silicone elastomer.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: December 10, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Horst Oloff, Johannes-Wilhelm Tack, Fred Windt, Ingfried Zimmermann
  • 9-haloprostaglandin clathrates and their use as medicines
    Patent number: 5047525
    Abstract: The present application encompasses pharmaceutical preparations, characterized in that they contain as the active component a cyclodextrin clathrate of a prostaglandin of general Formula I ##STR1## wherein R.sub.1 is a hydrogen atom or a straight-chain or branched alkyl residue of up to 10 carbon atoms,R.sub.2 is an alkyl, cycloalkyl, or optionally substituted phenyl group,A and B jointly mean a direct bond orA means a straight- or branched-chain alkylene group of up to 10 carbon atoms andB means an oxygen atom, a direct bond, or a --C.tbd.C--bond, andX means a chlorine or fluorine atom.
    Type: Grant
    Filed: July 6, 1990
    Date of Patent: September 10, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Bernd Raduechel, Werner Skuballa, Olaf Loge, Johann-Wilhelm Tack
  • Nifedipine combination preparation
    Patent number: 4814175
    Abstract: The invention relates to nifedipine combination preparations, containing nifedipine with delayed release of active agent and a .beta.-blocker in each case in granulated form, and their pharmaceutical usage as a therapeutic agent in cardiovascular diseases.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: March 21, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes-Wilhelm Tack, Manfred Albring, Fred Windt-Hanke