Patents by Inventor Pierre Schelling

Pierre Schelling 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).

  • Imidazopyridines
    Patent number: 5389642
    Abstract: Novel imidazopyridine derivatives of the formula I ##STR1## in which R is ##STR2## and R.sup.1 to R.sup.4, X and Y are as defined herein, and their salts have antagonistic properties towards angiotensin(II) and can be used for the treatment of hypertension, aldosteronism, cardiac insufficiency and increased intraocular pressure and also disorders of the central nervous system.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: February 14, 1995
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Dieter Dorsch, Werner Mederski, Mathias Osswald, Pierre Schelling, Norbert Beier, Ingeborg Lues, Klaus-Otto Minck
  • 2-oxoquinoline derivatives
    Patent number: 5371226
    Abstract: 2-oxoquinoline derivative of formula I; ##STR1## wherein R is ##STR2## and R.sup.1 to R.sup.6 and X are as defined in claim 1, and their salts exhibit antagonistic properties towards angiotensin II and have inter alia a hypotensive action.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: December 6, 1994
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Werner Mederski, Dieter Dorsch, Norbert Beier, Ingeborg Lues, Klaus-Otto Minck, Pierre Schelling
  • 1,2-dihydro-2-oxopyridines
    Patent number: 5332750
    Abstract: New 1,2-dihydro-2-oxopyridines of formula I ##STR1## in which R is the radical ##STR2## and R.sup.1 to R.sup.6 and X are as defined herein,and their salts, have antagonistic properties towards angiotensin II and can be used for the treatment of hypertension, aldosteronism and cardiac insufficiency.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: July 26, 1994
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Werner Mederski, Norbert Beier, Pierre Schelling, Ingeborg Lues, Klaus-Otto Minck
  • Imidazopyridines
    Patent number: 5242928
    Abstract: Novel imidazopyridine derivatives of formula I: ##STR1## wherein R is ##STR2## R.sup.1 is A, alkenyl or alkynyl each having up to 6 C atoms, R.sup.2 is H, COOH, COOA, CN, NO.sub.2, NHCOR.sup.5, NHSO.sub.2 R.sup.5 or 1H-tetrazol-5-yl,R.sup.3 is R.sup.5 --CO--alkyl, Ar--CO--alkyl, Het--CO--alkyl or Het-alkyl each having 1-6 C atoms in the alkyl moiety,R.sup.4 is H or Hal,R.sup.5 is alkyl having 1-6 C atoms, wherein one or more H atoms can also be replaced with F,X is absent or is --NH--CO--, --CO--NH--, --O--CH(COOH)--, --NH--CH(COOH)--, --NA--CH(COOH)--, --CH.dbd.C(COOH)--, --CH.dbd.C(CN)-- OR --CH.dbd.C(1H-tetrazol-t-yl)--,Y is O or S,A is alkyl having 1-6 C atoms,Ar is unsubstituted phenyl or phenyl monosubstituted by R.sup.5, OR.sup.5, COOH, COOA, CN, NO.sub.2, NH.sub.2, NHCOR.sup.5, NHSO.sub.2 R.sup.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: September 7, 1993
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Werner Mederski, Dieter Dorsch, Norbert Beier, Pierre Schelling, Ingeborg Lues, Klaus-Otto Minck