Patents by Inventor Dieter Flockerzi

Dieter Flockerzi 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).

  • Benzonaphthyridines as bronchial therapeutics
    Patent number: 6008215
    Abstract: Compounds of formula (I) in which R1, R2, R3 and R4 have the meanings indicated in the description, are novel active bronchial therapeutics
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: December 28, 1999
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventor: Dieter Flockerzi
  • Sulphonyl compound
    Patent number: 5346904
    Abstract: Compound of the formula I ##STR1## wherein the substituents have the meanings given in the description, are new active bronchodilators.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: September 13, 1994
    Assignee: BYK Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Dieter Flockerzi, Kurt Klemm
  • Diaryl compounds for their use
    Patent number: 5326772
    Abstract: Optically pure diaryl compounds of formula I ##STR1## wherein the substituents and symbols have the meanings given int eh specification are proposed as active ingredients in medicaments for the treatment of tumors.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: July 5, 1994
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Kurt Klemm, Wolf-Rudiger Ulrich, Dieter Flockerzi
  • 1,4-dihydropyridines with a 2-amino group or with an ether group in a side chain
    Patent number: 5064839
    Abstract: New amines and ethers of the formula I ##STR1## wherein the substituents and symbols have the meanings given in the description, are new compounds with surprising pharmacological properties.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: November 12, 1991
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventor: Dieter Flockerzi
  • Optically-active 1,4-dihydropyridine
    Patent number: 4975440
    Abstract: The invention relates to 3-methyl-5-[3-(4,4-diphenylpiperid-1-yl)-propyl] (+)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-piperidine-3,5-dicarboxylat e and its salts and to their preparation and use.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: December 4, 1990
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Dieter Flockerzi, Wolf-Rudiger Ulrich
  • Diaryl piperidine containing esters of 1,4-dihydropyridines and coronary therapeutic use
    Patent number: 4707486
    Abstract: Diaryl compounds of formula I ##STR1## wherein Ar represents a ring of the formula ##STR2## in which Y denotes oxygen (O), sulfur (S), vinylene (--CH.dbd.CH--), azomethine (--CH.dbd.N--) or a group of the formula ##STR3## R1, R2 and R3 are identical or different and denote hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -alkoxyalkyl, aryl, aryl-C.sub.1 -C.sub.6 -alkyl or aryloxy-C.sub.1 -C.sub.6 -alkyl,R4 and R5 are identical or different and denote hydrogen, hydroxyl, halogen, nitro, cyano, trifluoromethyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxy which is completely or partly substituted by fluorine, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.2 -C.sub.5 -acyl, amino or mono- or di-C.sub.1 -C.sub.4 -alkylamino,R6, R7, R8 and R9 are identical or different and denote hydrogen, hydroxyl, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, amino, mono- or di-C.sub.1 -C.sub.4 -alkylamino, or C.sub.1 -C.sub.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: November 17, 1987
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Dieter Flockerzi, Kurt Klemm, Wolf-Rudiger Ulrich