Patents by Inventor Fran.cedilla.ois Bretin

Fran.cedilla.ois Bretin 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).

  • Erythromycins
    Patent number: 5747467
    Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein X is selected from the group consisting of --(NH).sub.a --, --CH.sub.2 --, --SO.sub.2 -- and --O--, a is 0 or 1, Y is --(CH.sub.2).sub.m - (CH.dbd.CH).sub.n --(CH.sub.2).sub.o -, m+n+o.ltoreq.8, n=o or 1, Ar is aryl optionally substituted with at least one member of the group consisting of --OH, halogen, --NO.sub.2, --CN, ##STR2## and alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, -N-alkyl, -N-alkenyl and N-alkynyl of up to 12 carbon atoms, R.sub.a and R.sub.b individually are hydrogen or alkyl of up to 12 carbon atoms, R.sub.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: May 5, 1998
    Assignee: Roussel Uclaf
    Inventors: Constantin Agouridas, Fran.cedilla.ois Bretin, Jean-Fran.cedilla.ois Chantot