Patents by Inventor Bernard Refouvelet

Bernard Refouvelet 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).

  • Methods for synthesis of psoralen derivatives
    Patent number: 9440940
    Abstract: Methods for the synthesis of psoralen derivatives are provided.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: September 13, 2016
    Assignee: Macopharma, S.A.S.
    Inventor: Bernard Refouvelet
  • METHODS FOR SYNTHESIS OF PSORALEN DERIVATIVES
    Publication number: 20150266845
    Abstract: Methods for the synthesis of psoralen derivatives are provided.
    Type: Application
    Filed: March 17, 2015
    Publication date: September 24, 2015
    Inventors: Lhassane Ismaili, Bernard Refouvelet
  • Method for preparing 1,3,5-triaminobenzene and hydrolyzing it into high-purity phloroglucinal
    Patent number: 7217840
    Abstract: The invention concerns a method for method for preparing 1,3,5-triaminobenzene, characterized in that it comprises a step which consists in amination of a compound of formula (I), wherein: A represents a halogen atom or a NH2 group; X1 and X2, identical or different, represent each a halogen atom, the amination step being carried out in the presence of ammonia and a catalyst selected from the group consisting of copper salts, cupric and cuprous oxides or mixtures thereof at a temperature ranging between 150° C. and 250° C.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: May 15, 2007
    Assignee: PHV Analytic
    Inventors: Lhassane Ismaili, Bernard Refouvelet, Alain Xicluna
  • Method for preparing 13 5-triaminobenzene and hydrolyzing it into high-purity phloroglucinal
    Publication number: 20050165256
    Abstract: The invention concerns a method for method for preparing 1,3,5-triaminobenzene, characterized in that it comprises a step which consists in amination of a compound of formula (I), wherein: A represents a halogen atom or a NH2 group; X1 and X2, identical or different, represent each a halogen atom, the amination step being carried out in the presence of ammonia and a catalyst selected from the group consisting of copper salts, cupric and cuprous oxides or mixtures thereof at a temperature ranging between 150° C. and 250° C. and at a pressure higher that 35 bars.
    Type: Application
    Filed: June 6, 2003
    Publication date: July 28, 2005
    Applicant: PHV ANALYITIC
    Inventors: Lhassane Ismaili, Bernard Refouvelet, Alain Xicluna