Patents by Inventor Claude Fromentin

Claude Fromentin 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).

  • New derivatives of erythromycin, their preparation process and their use as medicaments
    Publication number: 20020028781
    Abstract: A subject of the invention is, as new chemical products, the compounds of formula (I) 1
    Type: Application
    Filed: December 11, 2000
    Publication date: March 7, 2002
    Applicant: Hoechst Marion Roussel
    Inventors: Constantin Agouridas, Alexis Denis, Claude Fromentin
  • 2-halogenated derivatives of 5-0 desosaminyl-erythronolide A, their preparation process and their antibiotic use
    Patent number: 6352983
    Abstract: Novel compounds of the formula wherein the substituents are defined as in the application having antibiotic properties.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: March 5, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Constantin Agouridas, Francois Bretin, Alexis Denis, Claude Fromentin
  • DERIVATIVES ...USE AS MEDICAMENTS
    Publication number: 20020013281
    Abstract: A subject of the invention is, as new chemical products, the compounds of formula (I) 1
    Type: Application
    Filed: November 3, 1999
    Publication date: January 31, 2002
    Inventors: CONSTANTIN AGOURIDAS, ALEXIS DENIS, CLAUDE FROMENTIN
  • Derivatives of erythromycin, their preparation process and their use as medicaments
    Patent number: 6313101
    Abstract: A compound of the formula wherein X=CH2 or NH, Y=H or Hal, Z=H or acyl of an organic carboxylic acid of 1 to 6 carbon atoms, R is W and W′ are individually H, Hal and alkyl of 1 to 8 carbon atoms optionally substituted by at least one halogen having antibiotic properties.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: November 6, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Alexis Denis, Claude Fromentin, Bertrand Heckmann
  • Erythromycin compounds
    Patent number: 5770579
    Abstract: Compounds of the formula ##STR1## wherein X and X' form C.dbd.O or C.dbd.NOR, R is selected from the group consisting of hydrogen, heterocycle, alkyl, alkenyl, alkynyl, all optionally substituted, ##STR2## R.sub.a and R.sub.b are hydrogen or a hydrocarbon group or form together with the nitrogen a heterocycle, or with A forms a 9-N, 11-O ring, and X' is hydrogen, --Y and Y' have the same definition as X and X', b is hydrogen or OR.sub.4, R.sub.4 is hydrogen or forms together with A a carbonate or a carbamate, A forms with C a double bond or A is OR'.sub.4, R'.sub.4 is hydrogen or forms together with B a carbonate or ##STR3## R.sub.2 is alkyl or --CONH.sub.2, --CONHCOR.sub.11 or --CONHSO.sub.2 R.sub.11, R.sub.11 is a hydrocarbon up to 18 carbon atoms, R.sub.3 is hydrogen, ##STR4## and Z is hydrogen or a carboxylic acid remainder and their non-toxic, pharmaceutically acceptable acid addition salts, their preparation and intermediates useful as antibiotics.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: June 23, 1998
    Assignee: Roussel Uclaf
    Inventors: Constantin Agouridas, Yannick Benedetti, Jean-Fran.cedilla.ois Chantot, Alexis Denis, Claude Fromentin, Odile Le Martret
  • Erythromycin compounds
    Patent number: 5561118
    Abstract: Compounds of the formula ##STR1## wherein X and X' form C.dbd.O or C.dbd.NOR, R is selected from the group consisting of hydrogen, heterocycle, alkyl, alkenyl, alkynyl, all optionally substituted, or X is ##STR2## R.sub.a and R.sub.b are hydrogen or a hydrocarbon group or form together with the nitrogen a heterocycle, or with A forms a 9-N, 11-0 ring, and X' is hydrogen, --Y and Y' have the same definition as X and X', B is hydrogen or OR.sub.4, R.sub.4 is hydrogen or forms together with A a carbonate or a carbamate, A forms with C a double bond or A is OR'.sub.4, R'.sub.4 is hydrogen or forms together with B a carbonate or A is ##STR3## R.sub.2 is alkyl or --CONH.sub.2, --CONHCOR.sub.11 or --CONHSO.sub.2 R.sub.11, R.sub.11 is a hydrocarbon up to 18 carbon atoms, R.sub.3 is hydrogen, ##STR4## and Z is hydrogen or a carboxylic acid remainder and their non-toxic, pharmaceutically acceptable acid addition salts, their preparation and intermediates useful as antibiotics.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: October 1, 1996
    Assignee: Roussel Uclaf
    Inventors: Constantin Agouridas, Yannick Benedetti, Jean-Francois Chantot, Alexis Denis, Claude Fromentin, Odile Le Martret
  • Erythromycin compounds
    Patent number: 5444051
    Abstract: Compounds of the formula ##STR1## wherein X and X' form C.dbd.O or C.dbd.NOR, R is selected from the group consisting of hydrogen, heterocycle, alkyl, alkenyl, alkynyl, all optionally substituted,or X is ##STR2## R.sub.a and R.sub.b are hydrogen or a hydrocarbon group or form together with the nitrogen a heterocycle, or with A forms a 9-N, 11-O ring, and X' is hydrogen, --Y and Y' have the same definition as X and X', B is hydrogen or OR.sub.4, R.sub.4 is hydrogen or forms together with A a carbonate or a carbamate, A forms with C a double bond or A is OR'.sub.4, R'.sub.4 is hydrogen or forms together with B a carbonate or ##STR3## R.sub.2 is alkyl or --CONH.sub.2, --CONHCOR.sub.11 or --CONHSO.sub.2 R.sub.11, R.sub.11 is a hydrocarbon up to 18 carbon atoms, R.sub.3 is hydrogen, ##STR4## and Z is hydrogen or a carboxylic acid remainder and their non-toxic, pharmaceutically acceptable acid addition salts, their preparation and intermediates useful as antibiotics.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: August 22, 1995
    Assignee: Roussel UCLAF
    Inventors: Constantin Agouridas, Yannick Benedetti, Jean-Francois Chantot, Alexis Denis, Claude Fromentin, Odile Le Martret