Patents by Inventor Peter Kurka

Peter Kurka 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).

  • Patent number: 6079968
    Abstract: Device for spraying a pulverulent lubricant or release agent dispersed in an air stream onto the pressing tools in a tableting press, having at least one spray nozzle for applying the powder-containing air stream to the pressing tools, a suction system for sucking the excess residues of lubricant off the pressing tools and an air-jet injector for reproducibly loading the air stream with lubricant, wherein the pressing tools are connected to a sensor, which generates an output signal characteristic of the extent to which the lubricant is covering the surfaces of the pressing tools and controls the amount of air sucked off at the suction system, the loading of the air stream with the powder, or both.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: June 27, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Guido Schmitz, Hans-Dieter Schmitz, Peter Kurka, Joachim Maasz
  • Patent number: 5998448
    Abstract: The invention relates to new combinations of dihydropyridines of the general formula (I) ##STR1## in which R.sup.1 to R.sup.5 have the meaning indicated in the description, for the prevention and treatment of vascular disorders, in particular of cardiovascular and cerebrovascular disorders, containing dihydropyridines having calcium antagonist activity, acetylsalicylic acid nitroesters and vitamins, and, if appropriate, also further auxiliaries or active compounds.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: December 7, 1999
    Assignee: Bayer Aktiengeselechaft
    Inventors: Eva Lesur, Dieter Neuser, Oswald Lockhoff, Elisabeth Perzborn, Johannes Peter Stasch, Peter Kurka
  • Patent number: 5900425
    Abstract: The invention relates to pharmaceutical preparations having controlled release of active compound and to processes for their preparation, in particular for poorly soluble active compounds having problematic bioavailability.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: May 4, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Venkata-Rangarao Kanikanti, Wolfgang Muck, Andreas Ohm, Peter Kurka, Gerd Toppel
  • Patent number: 5859053
    Abstract: The invention relates to new derivatives of acetylsalicylic acid (called ASA in the following), which contain an NO.sub.3 structure. They are therapeutically active either as the intact active compound molecule or after cleavage (NO release). The invention also relates to processes for their preparation and their use as medicaments, in particular for the alleviation of pain, inhibition of platelet aggregation, lowering of fever and for the prevention of cardiovascular disorders and oncoses.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: January 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eva Lesur, Dieter Neuser, Oswald Lockhoff, Elisabeth Perzborn, Peter Kurka, Johannes Peter Stasch
  • Patent number: 5821222
    Abstract: The present invention relates to the use of cyclic depsipeptides having 18 ring atoms of the general formula (I) ##STR1## in which R.sup.1 to R.sup.6 have the meaning given in the description, and to their optical isomers and racemates, in medicine and veterinary medicine for combating endoparasites, to their preparation, and to new cyclic depsipeptides having 18 ring atoms.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: October 13, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Bonse, Michael Londershausen, Erwin Bischoff, Hartwig Muller, Achim Harder, Nobert Mencke, Peter Kurka, Peter Jeschke, Jurgen Scherkenbeck
  • Patent number: 5776505
    Abstract: The invention relates to the combined use of ketoprofen and specific inorganic basic substances with an improved quality of action.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: July 7, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Maasz, Ingrid Hurner, Peter Kurka, Ralph Lange
  • Patent number: 5741515
    Abstract: The present invention relates to a ketoprofen liposome gel and a process for its preparation which is distinguished by a simple method of preparation by spontaneous formation of liposomes from phospholipids and ketoprofen.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: April 21, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Silvana Ciceri, Hans-Jurgen Hamann, Ingrid Hurner, Peter Kurka, Joachim Maasz
  • Patent number: 5707655
    Abstract: The invention relates to a special process for the preparation of stable, solid medicament formulations of high bioavailability and with controlled release comprising sparingly soluble active compounds and polymeric auxiliaries, and to the formulations thus prepared.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: January 13, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Venkata-Rangarao Kanikanti, Stefan Kettelhoit, Peter Kurka, Gunther Penners, Peter Serno
  • Patent number: 5653998
    Abstract: The invention relates to stable liposomal injectable formulations for lipophilic, poorly soluble active compounds, in the form of liposomes which are stabilized by short-chain fatty acids, in particular for active compounds from the dihydropyridines group.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: August 5, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Hamann, Peter Serno, Matthias Herboth, Peter Kurka
  • Patent number: 4879290
    Abstract: A method of suppressing ranking fights during assembly of groups of pigs which comprises administering to such pigs an amount effective therefor of a 2-pyrimidinyl-1-piperazine derivative of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 each independently represents at least one radical selected from the groups consisting of hydrogen, C.sub.1-4 -alkyl, halogen, hydroxyl, nitro, C.sub.2-4 -alkenyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylthio, C.sub.1-4 -halogenoalkyl, C.sub.1-4 -halogenoalkoxy and C.sub.1-4 -halogenoalkylmercapto,X is a direct bond or a radical N-R.sup.3,R.sup.3 is hydrogen or C.sub.1-4 -alkyl, andA is an optionally substituted alkylene radical with up to 6 C atoms,or a physiologically acceptable salt thereof.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: November 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Kurka, Leppold Goetze