Patents by Inventor Philippe Hatinguais

Philippe Hatinguais 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).

  • Process for the preparation of vincristine
    Patent number: 4767855
    Abstract: The present invention relates to a process for the preparation of vincristine.The process for the semisynthesis of vincristine according to the present invention comprises oxidizing vinblastine or its salts with chromic acid or its salts, in ethyl acetate at a low temperature.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: August 30, 1988
    Assignee: P. F. Medicament
    Inventors: Roger Tarroux, Jacques Fahy, Philippe Hatinguais
  • Compounds of the benzoxepine series and sulphur- and nitrogen-containing analogues; their processes for the preparation of these products and the use thereof in the pharmaceutical field
    Patent number: 4436749
    Abstract: A compound corresponding to formula (I): ##STR1## wherein X represents oxygen, sulphur or >N--R',R' representing hydrogen or an alkyl radical,R.sub.1 to R.sub.4, andR'.sub.1 to R'.sub.5 independently represent the following:a hydrogen or halogen atom,an alkyl, aryl, alkoxy, aryloxy or acyloxy radical,a hydroxy radical,an amino, mono-alkylamino or di-alkylamino radical,a hydroxyalkyl, aminoalkoxy, mono- or di-alkylaminoalkoxy radical,in the form of the d or l isomer, or in the form of a racemic mixture, is useful as a medicament.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: March 13, 1984
    Assignee: Pierre Fabre S.A.
    Inventors: Philippe Hatinguais, Jean-Francois Patoiseau, Gilbert Marcelon