Patents by Inventor Yves Ribeill

Yves Ribeill 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).

  • Imidazo?1,2-A! pyrazine-4-one, preparation thereof and drugs containing same
    Patent number: 5753657
    Abstract: Compounds of formula (1) ##STR1## wherein either R is C.dbd.R.sub.3, C(R.sub.4)R.sub.5 or CH--R.sub.6, R.sub.1 and R.sub.2 are hydrogen, halogen, alkyl, alkoxy, amino, acylamino, --NH--CO--NH--Ar, --N.dbd.CH--N(alk)alk', nitro, cyano, phenyl, imidazolyl or SO.sub.3 H, R.sub.3 is oxygen, NOH, NO-alk-COOK or CH--R.sub.7, R.sub.4 is alkyl, -alk-Het or alk-Ar, R.sub.5 is alkyl, -alk-Het or -alk-Ar, or C(R.sub.4)R.sub.5 is cycloalkyl, R.sub.6 is hydroxy, alkyl, NR.sub.8 R.sub.9, -alk-OH, -alk-NR.sub.8 R.sub.9, -alk-Ar or -alk-Het, R.sub.7 is hydroxy, alkyl, phenyl, -alk-Ar, -alk-Het, NR.sub.10 R.sub.11 or a heterocyclic ring, R.sub.8 and R.sub.9 are alkyl, or R.sub.8 is hydrogen and R.sub.9 is hydrogen or alkyl, --COR.sub.12, --CSR.sub.30 or --SO.sub.2 R.sub.13, R.sub.10 and R.sub.11 are alkyl or cycloalkyl, R.sub.12 is alkyl, cycloalkyl, phenyl, --COO-alk, --CH.sub.2 --COOX, --CH.sub.2 NH.sub.2, --NH-alk, --NH--Ar, --NH.sub.2 or --NH-Het, R.sub.13 is alkyl or phenyl, R.sub.30 is --NH-alk, --NH--Ar, --NH.sub.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: May 19, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Claude Aloup, Francois Audiau, Dominique Damour, Arielle Genevois-Borella, Patrick Jimonet, Serge Mignani, Yves Ribeill
  • Imidazo?1,2-A!indeno?1,2-E!pyrazine-2-carboxylic acid derivatives, preparation thereof and drugs containing same
    Patent number: 5726175
    Abstract: A compound of formula (I): ##STR1## wherein R, R.sub.1, R.sub.2, and R.sub.3 are as defined in the application, salts thereof, preparation thereof and drugs containing same.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: March 10, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Claude Aloup, Fran.cedilla.ois Audiau, Michel Barreau, Dominique Damour, Arielle Genevois-Borella, Patrick Jimonet, Serge Mignani, Yves Ribeill
  • Lupane derivatives, their preparation and the pharmaceutical compositions which contain them
    Patent number: 5468888
    Abstract: The present invention relates to new lupane dervivatives of the general formula: ##STR1## to their salts, to their preparation and to the pharmaceutical compositions which contain them.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: November 21, 1995
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Romaine Bouboutou, Norbert Dereu, Michel Evers, Jean-Christophe Gueguen, Claude James, Christele Poujade, Daniel Reisdorf, Yves Ribeill, Francoise Soler