Patents by Inventor Jacques de Rostolan

Jacques de Rostolan 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: 5783677
    Abstract: The present invention relates to a method for making a compound of the structure: ##STR1## comprising the steps: (a) adding 6-deoxy-.alpha.-L-mannopyranosyl bromide, 2,3,4-tri-O-benzoate; DMSO; a base, selected from the group including tertiary amines, amidines, bicarbonates, carbonates, heteroaryl amine, and a solvent, hydrocarbons, esters, and ethers, in a slurry heated to 50.degree.-150.degree. C.;(b) stirring the reaction mixture at 50.degree.-150.degree. C. for 5 minutes to 30 minutes,(c) pouring the reaction mixture over ice water; and(d) extracting the product with a solvent selected from the group consisting of chlorinated solvents, aromatic hydrocarbons, esters, ethers, and evaporating said layer to give a solid.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 21, 1998
    Assignee: Procter & Gamble Pharmaceuticals, Inc.
    Inventors: Song Liu, David Edward Portlock, Gilles Yves Genain, Jean-Jacques Koenig, Jacques de Rostolan, Randy Stuart Muth
  • Patent number: 5721217
    Abstract: Disclosed are 14-aminosteroid compounds, including pharmaceutically acceptable acid salts and esters thereof, useful in treating individuals afflicted with congestive heart failure, which compounds have the general formula: ##STR1## wherein R.sub.3 is a deoxy or oxygen-substituted monosaccharide sugar residue and R.sub.1, R.sub.2 and R.sub.4 are various other substituents as defined herein.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 24, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Song Liu, David Edward Portlock, Gilles Yves Genain, Jean-Jacques Koenig, Jacques de Rostolan