Patents by Inventor Jean de Rudder

Jean de Rudder 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).

  • Pharmaceutical compositions based on xylosides and lyxosides of purine and pyrimidine bases used in a method of treating viruses
    Patent number: 4659698
    Abstract: Pharmaceutical compositions which contain a xyloside or a lyxoside of a purine or pyrimidine base selected from the following compounds:1-(.beta.-D-xylofuranosyl)-cytosine, 1-(.beta.-D-xylofuranosyl)-thymine, 9-(.alpha.-D-xylofuranosyl)-adenine, 9-(.alpha.-D-xylofuranosyl)-guanine, 1-(.alpha.-D-xylofuranosyl)-cytosine, 1-(.alpha.-D-xylofuranosyl)-thymine, 1-(.beta.-D-lyxofuranosyl)-adenine, 9-(.beta.-D-lyxofuranosyl)-guanine, 1-(.beta.-D-lyxofuranosyl)-cytosine, 1-(.beta.-D-lyxofuranosyl)-thymine, 9-(.alpha.-D-lyxofuranosyl)-adenine, 1-(.alpha.-D-lyxofuranosyl)-guanine, 1-(.alpha.-D-lyxofuranosyl)-cytosine and 1-(.alpha.-D-lyxofuranosyl)-thymine, have been found to be useful in therapy for treating various viral diseases.
    Type: Grant
    Filed: May 16, 1985
    Date of Patent: April 21, 1987
    Assignees: Synthelabo, Jean-Louis Imbach
    Inventors: Jean-Louis Imbach, Gilles Gosselin, Jean De Rudder
  • Process for the isolation of viral glycoproteic antigens and its application to the preparation of vaccines
    Patent number: 4344935
    Abstract: Process for the isolation of the glycoproteic antigens of a virus by treatment of said virus with an aqueous solution of a nonionic detergent, separation of the viral particles and removal of the detergent, comprising, in order to remove the detergent, effecting a phase separation between an aqueous phase and a phase consisting of a water-insoluble higher alcohol, and recovering the glycoproteic antigens in aqueous phase.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: August 17, 1982
    Assignee: Synthelabo
    Inventors: Jean Leclerc, Jean de Rudder