Patents by Inventor Hans P. Marki

Hans P. Marki 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: 5521160
    Abstract: The present invention is concerned with novel sulfuric acid esters of sugar alcohols and sugar alcohol-like compounds of the formula ##STR1## Also described are methods for the treatment and/or prophylaxis of arteriosclerotic changes in the vascular wall as well as a process for the manufacture of the compounds of formula I and their salts.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: May 28, 1996
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Alexander Chucholowski, Jurgen Fingerle, Niggi Iberg, Hans P. Marki, Rita Muller, Michael Pech, Marianne Rouge, Gerard Schmid, Thomas Tschopp, Hans P. Wessel
  • Patent number: 5466708
    Abstract: Novel compounds of the formula ##STR1## wherein Q, R.sup.1 and R.sup.2 are described herein, are disclosed along with pharmaceutical compositions, methods of use, and process for producing compounds of formula I which starts from the corresponding .beta.-hydroxycarboxylic acids.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: November 14, 1995
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Romano Derungs, Hans P. Marki, Henri Stalder, Andre Szente
  • Patent number: 5376674
    Abstract: Novel compounds of the formula ##STR1## wherein Q, R.sup.1 and R.sup.2 are described herein, are disclosed along with pharmaceutical compositions, methods of use, and process for producing compounds of formula I which starts from the corresponding .beta.-hydroxycarboxylic acids.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: December 27, 1994
    Assignee: Hoffman-La Roche Inc.
    Inventors: Romano Derungs, Hans P. Marki, Henri Stalder, Andre Szente
  • Patent number: 5278148
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or methyl, R.sup.2 is ethyl, propyl, isopropyl, imidazol-2-yl, imidazol-4-yl, pyrazol-3-yl, thiazol-4-yl, thien-2-yl, ethoxycarbonyl, t-butylcarbonylmethyl, benzyloxycarbonylmethyl or t-butoxy, R.sup.3 is isobutyl, cyclohexylmethyl or benzyl, R.sup.4 is nitro, amino or a group of the formula --N(R.sup.5)(R.sup.6) and A is one of the groups ##STR2## wherein R.sup.5 and R.sup.6 is alkyl or alkoxyalkyl; or optionally substituted phenyl, phenylalkyl or phenylsulfonylalkyl among others with the proviso that A is not group (b) when R.sup.6 is alkanoyl, alkoxycarbonyl or arylalkoxycarbonyl, the dotted line can be an additional bond, R.sup.7 is phenyl or substituted phenyl and R.sup.8 is hydrogen or organocarbonylalkyl, with the proviso that R.sup.8 is not alkoxycarbonylamino or arylalkoxycarbonylamino when R.sup.7 is phenyl, benzyl or .alpha.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: January 11, 1994
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Quirico Branca, Hans P. Marki, Werner Neidhart, Henri Ramuz, Wolfgang Wostl
  • Patent number: 5260310
    Abstract: Novel compounds of the formula ##STR1## wherein Q, R.sup.1 and R.sup.2 are described herein, are disclosed along with pharmaceutical compositions, methods of use, and process for producing compounds of formula I which starts from the corresponding .beta.-hydroxycarboxylic acids.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: November 9, 1993
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Romano Derungs, Hans P. Marki, Henri Stalder, Andre Szente
  • Patent number: 5140011
    Abstract: The compounds of the formula ##STR1## wherein A, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the significance given in claim 1, in the form of optically pure diastereomers, mixtures of diastereomers, diastereomeric racemates or mixtures of diastereomeric racemates as well as pharmaceutically usable salts thereof inhibit the activity of the natural enzyme renin and can accordingly be used in the form of pharmaceutical preparations in the control or prevention of high blood pressure and cardiac insufficiency.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: August 18, 1992
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: Quirico Branca, Hans P. Marki, Werner Neidhart, Henri Ramuz, Wolfgang Wostl