Patents by Inventor Christian Marchandeau

Christian Marchandeau 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).

  • Steroids, their use as medicaments, their preparation process, the intermediates of this process and the compositions containing them
    Patent number: 6492536
    Abstract: The subject of the invention is the products of formula (I): in which either R1 represents halogen, hydroxyl, (C1-C8) alkyloxy or (C1-C12) acyloxy, and R2 represents halogen or hydrogen, or R1 and R2 form together a double bond, Z is chosen from optionally substituted (C1-C8) alkylthio, optionally substituted arylthio, (C1-C8) alkyloxy, halogen, cyano, mercapto, thiocyanato and (CH2)0-1—CO2H, optionally esterified, Y represents hydrogen or methyl, the dotted line in position 1-2 or 5-6 optionally representing a second bond, as well as their addition salts, their preparation process, the intermediates of this process and the pharmaceutical compositions containing them.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: December 10, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Steroids, their use as medicaments, their preparation process, the intermediates of this process and the compositions containing them
    Publication number: 20020002155
    Abstract: The subject of the invention is the products of formula (I): 1
    Type: Application
    Filed: June 25, 2001
    Publication date: January 3, 2002
    Applicant: Hoechst Marion Roussel
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Pregnane derivatives with no alpha-17 substitutent, their medicinal use, manufacturing method and its intermediaries and related compounds
    Patent number: 6274572
    Abstract: The subject of the invention is the products of formula (I): in which either R1 represents halogen, hydroxyl, (C1-C8) alkyloxy or (C1-C12) acyloxy, and R2 represents halogen or hydrogen, or R1 and R2 form together a double bond, Z is chosen from optionally substituted (C1-C8) alkylthio, optionally substituted arylthio, (C1-C8) alkyloxy, halogen, cyano, mercapto, thiocyanato and (CH2)0-1—CO2H, optionally esterified, Y represents hydrogen or methyl, the dotted line in position 1-2 or 5-6 optionally representing a second bond, as well as their addition salts, their preparation process, the intermediates of this process and the pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: August 14, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Use of derivatives of 9,10-dihydrophenanthrene for the preparation of an anti-tumor medicament
    Patent number: 5189065
    Abstract: The use of products of formula (I) is described, wherein X and Y represent hydrogen, hydroxy or alkoxy; and R.sub.1 and R.sub.2 represent H, alkyl, alkenyl or alkynyl, arylalkyl, acyl or R.sub.1 and R.sub.2 together with nitrogen form a heterocycle for preparing an antitumoral drug.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: February 23, 1993
    Assignee: Roussel Uclaf
    Inventors: Jorg Czech, Hans H. Sedlacek, Lucien Nedelec, Jacques Guillaume, Christian Marchandeau
  • Novel benzophenone derivatives
    Patent number: 4027040
    Abstract: Novel benzophenone derivatives of the formula ##STR1## wherein X and X.sub.1 are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 5 carbon atoms, alkylthio of 1 to 5 carbon atoms, CF.sub.3 O--, CF.sub.3 S-- and CF.sub.3 --, R is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and R.sub.1 is an aliphatic hydrocarbon of the formula--(CH.sub.2).sub.a --CH = CH--(CH.sub.2).sub.b --H or --(CH.sub.2).sub.a --CH.sub.2 --CH.sub.2 --(CH.sub.2).sub.b --Hwhere a and b are whole numbers between 0 and 16 and whose sum is not greater than 16 which have a very clear analgesic activity.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: May 31, 1977
    Assignee: Roussel-UCLAF
    Inventors: Roger Deraedt, Christian Marchandeau, Jean Meier