Patents by Inventor Wolf-Ulrich Nickel

Wolf-Ulrich Nickel 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: 20180008611
    Abstract: The present invention relates to methods for treating a microbial infection comprising administering a composition comprising one or more antibiotic compounds to the site of the infection by instilling the composition into the tympanostomy tube. A delivery cannula can be used to instill the composition into the tympanostomy tube.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 11, 2018
    Inventors: Wolf-Ulrich Nickel, Peter S. Roland, Firoz G. Vohra
  • Publication number: 20160317546
    Abstract: The present invention relates to methods for treating a microbial infection comprising administering a composition comprising one or more antibiotic compounds to the site of the infection by instilling the composition into the tympanostomy tube. A delivery cannula can be used to instill the composition into the tympanostomy tube.
    Type: Application
    Filed: July 14, 2016
    Publication date: November 3, 2016
    Inventors: Wolf-Ulrich Nickel, Peter S. Roland, Firoz G. Vohra
  • Publication number: 20150045739
    Abstract: The present invention relates to methods for treating a microbial infection comprising administering a composition comprising one or more antibiotic compounds to the site of the infection by instilling the composition into the tympanostomy tube. A delivery cannula can be used to instill the composition into the tympanostomy tube.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 12, 2015
    Inventors: Wolf-Ulrich Nickel, Peter S. Roland, Firoz G. Vohra
  • Patent number: 5374731
    Abstract: Amino acid derivatives with renin-inhibiting properties, a process for the preparation thereof, agents containing these, and the use thereofThe invention relates to renin-inhibiting amino acid derivatives of the formula ##STR1## in which R.sup.1 is a radical of a substituted nitrogen-containing heterocycle such as piperidine, X is CO, CS, SO.sub.2 or SO, Y is CH.sub.2, O or S, B is the radical of an amino acid of the formula H--B--OH, and R.sup.3, R.sup.4 and R.sup.5 are as defined in the description, a process for the preparation thereof, agents containing these, and the use thereof.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: December 20, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Holger Heitsch, Rainer Henning, Wolfgang Linz, Wolf-Ulrich Nickel, Dieter Ruppert, Hansjorg Urbach
  • Patent number: 5231084
    Abstract: The invention relates to new comoounds having a cognition adjuvant action, to the use of ACE inhibitors as medicaments having a cognition adjuvant action, to agents containing them, and to the use thereof for the treatment and prophylaxis of cognitive dysfunctions.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: July 27, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Hock, Josef Scholtholt, Hansjorg Urbach, Rainer Henning, Ulrich Lerch, Wolf-Ulrich Nickel, Wolfgang Ruger
  • Patent number: 5215968
    Abstract: Dipeptide derivatives having an enzyme inhibitory action Compounds of the formula I ##STR1## in which R.sup.1 represents a (substituted) heterocyclyl-alkyl, -alkoxy, -cycloalkyl or -cycloalkoxy and the corresponding heterocyclylmercapto radicals, A and B independently of one another denote an amino acid, R.sup.2 is hydrogen, alkyl, cycloalkyl, cycloalkyl-alkyl, aryl or aryl-alkyl, R.sup.3 represents hydrogen, alkyl, aryl, aryl-alkyl or hydroxyl and R.sup.4 denotes a radical (CH.sub.2).sub.0-4 CHR.sup.5 -D where R.sup.5 =hydrogen, alkyl, alkoxy, alkylthio, alkylamino, hydroxyl, azido or halogen and D=(substituted) heterocyclyl, have enzyme-inhibiting properties. Processes for the preparation of compounds of the formula I and their use in the treatment of hypertension and viral diseases are described.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: June 1, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolf-Ulrich Nickel, Hansjorg Urbach, Dieter Ruppert, Bernward Scholkens
  • Patent number: 5091427
    Abstract: The invention relates to compounds of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.4 represent optionally substituted aliphatic, alicyclic, alicyclic-aliphatic, aromatic, araliphatic, heteroaromatic or heteroaromatic-aliphatic radicals, with R.sup.2, if not already covered by the above-mentioned definitions, denoting the side-chain, which is protected if necessary, of a naturally occurring .alpha.-amino acid, R.sup.4 can additionally represent ##STR2## R.sup.3 denotes an optionally substituted aliphatic, alicyclic, aromatic or araliphatic radical, or R.sup.3 and R.sup.4 form, together with the atoms carrying them, a mono-, bi- or tricyclic heterocyclic ring system,agents containing these, and the use thereof as pharmaceuticals having a psychotropic action for the prophylaxis of disorders of the central nervous system, especially having a nootropic action for the treatment of cognitive dysfunctions.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: February 25, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolf-Ulrich Nickel, Rainer Henning, Wolfgang Ruger, Ulrich Lerch, Hansjorg Urbach, Franz Hock, Gabriele Wiemer
  • Patent number: 5068242
    Abstract: The present invention relates to compounds of the formula I ##STR1## in which R.sup.1 to R.sup.4 are defined in the description, processes for their preparation, their use for the treatment and prophylaxis of cognitive dysfunctions and pharmaceuticals containing them and processes for their preparation.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: November 26, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolf-Ulrich Nickel, Wolfgang Ruger, Hansjorg Urbach, Franz Hock
  • Patent number: 5043346
    Abstract: The invention relates to amino acid esters of the formula I ##STR1## in which n is 2 and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meaning indicated in the description, to a process and intermediates for the preparation thereof, to agents containing them, and the use thereof.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: August 27, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Hock, Josef Scholtholt, Hansjorg Urbach, Rainer Henning, Ulrich Lerch, Wolf-Ulrich Nickel, Wolfgang Ruger