Patents by Inventor Michel Follet

Michel Follet 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).

  • Intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
    Patent number: 7619116
    Abstract: A subject matter of the present invention is novel intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts, and also the associated preparation process.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: November 17, 2009
    Assignee: Products Chimiques Auxiliaires Et de Synthese
    Inventors: Valéry Dambrin, Jean-Yves Lenoir, Jean-Marie Schneider, Gérard Guillamot, Michel Follet, Abram Becker
  • Novel intermediates for the synthesis of (r)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
    Publication number: 20070106079
    Abstract: A subject matter of the present invention is novel intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts, and also the associated preparation process.
    Type: Application
    Filed: December 15, 2004
    Publication date: May 10, 2007
    Inventors: Valéry Dambrin, Jean-Yves Lenoir, Jean-Marie Schneider, Gerard Guillamot, Michel Follet, Abram Becker
  • Solid phase peptide synthesis using a polyacrylic support in aqueous solution
    Patent number: 5175254
    Abstract: This invention relates to solid phase peptide synthesis.Solid phase peptide synthesis is accomplished on polyacrylic resins (such as those described in EP 0 079 812 and EP 0 081 408 which correspond to U.S. Pat. Nos. 4,436,874 and 4,439,545 respectively) by a method which includes in the coupling protocol steps of washing the resin in water and/or aqueous solution(s).
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: December 29, 1992
    Assignee: Societe d'Expansion Scientifque Expansia
    Inventors: Bernard Calas, Jean Mery, Hanitra Naharisoa, Michel Follet
  • Catechol derivatives, a process of preparation thereof, and therapeutical compositions containing the same
    Patent number: 5013756
    Abstract: This invention relates to catechol derivatives having the general formula ##STR1## wherein R represents various substituents, to a process for the preparation of the same comprising reacting S-(3,4-dihydroxyphenyl)-isothiourea, which has the formula II, with a tosylate of the general formula III ##STR2## and to therapeutical compositions wherein the active ingredient is one of these compounds.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: May 7, 1991
    Assignee: Societe de Conseils de Recherches et d'Application Scientifiques (S.C.R.A.S)
    Inventors: Michel Follet, Marc Bonato
  • Lipoxygenase and cyclogenase inhibiting thiachromen and thiepan derivatives and pharmaceutical compositions therefor
    Patent number: 4699919
    Abstract: This invention relates to bicyclic catechol derivatives having the general formulae I and II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and Z represent various substituents, to a preparation process of the same comprising reacting a compound of formula III ##STR2## wherein R.sub.1 and R.sub.2 have the meanings given above with an appropriately substituted propionic or butyric acid (or an ester or a salt of the same) of formula IV ##STR3## wherein R.sub.3 has the meaning given above, and to therapeutical compositions wherein the active ingredient is one of these compounds.
    Type: Grant
    Filed: September 16, 1986
    Date of Patent: October 13, 1987
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques
    Inventors: Michel Follet, Marc Bonato
  • Acrylic copolymers of N-acryloylpolymethyleneimines or N-acryloyldialkylamides, N,N'-acryloyldiaminoalcanes and N-acryloylaminoacids (or esters) their preparation and use as cation exchangers
    Patent number: 4439545
    Abstract: The invention relates to new reticulated statistic acrylic copolymers that may be used in a very wide range of solvents (water, methylene chloride, chloroform, methanol, ethanol, dimethylformamide, pyridine,) stable between pH 1 and pH 14, to preparation process thereof and to their use in ion exchange chromatography.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: March 27, 1984
    Assignee: Societe d "Expansion Scientifique "Expansia"
    Inventors: Christian Aspisi, Bernard Calas, Jacques Daunis, Michel Follet, Robert Jacquier, Joseph Parello
  • Acrylic copolymers and their use in solid phase peptide synthesis
    Patent number: 4436874
    Abstract: The present invention relates to new amino-functionalized acrylic copolymers, their preparation and their use in peptide synthesis.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: March 13, 1984
    Assignee: Societe d'Expansion Scientifique "EXPANSIA"
    Inventors: Christian Aspisi, Bernard Calas, Jacques Daunis, Michel Follet, Robert Jacquier, Joseph Parello