Patents by Inventor Jean Preud'Homme

Jean Preud'Homme 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).

  • Antibiotic daunorubicin and its preparation
    Patent number: 3997663
    Abstract: The invention provides the novel antibiotic known as daunorubicin (13057 RP) which has a powerful anti-cancer effect and is also an anti-bacterial agent. This antibiotic is a constituent of a mixture of three antibiotics, called 9865 R.P., produced by aerobic culture of one of the strains of Streptomyces, NRRL 3046 and 3045.
    Type: Grant
    Filed: December 11, 1972
    Date of Patent: December 14, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Sylvie Pinnert, Leon Ninet, Jean Preud'Homme
  • Antibiotics and their preparation
    Patent number: 3997662
    Abstract: This invention relates to antibiotics designated 9865 RP, and its three constituents, hereinafter designated 13057 RP, 13213 RP and 13330 RP and their preparation.
    Type: Grant
    Filed: May 16, 1963
    Date of Patent: December 14, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Sylvie Pinnert, Leon Ninet, Jean Preud'Homme
  • Process for the preparation of daunorubicin by cultivating a streptomyces species
    Patent number: 3997661
    Abstract: The antibiotic daunorubicin is prepared by aerobically cultivating the microorganism Streptomyces griseus, var. rubidofaciens, DS 32,041 (NRRL 3383), or a daunorubicin-producing mutant thereof, using an aqueous nutrient medium containing assimilable sources of carbon, nitrogen and inorganic substances, and separating daunorubicin formed during the culture.
    Type: Grant
    Filed: November 14, 1968
    Date of Patent: December 14, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Denise Mancy, Leon Ninet, Jean Preud'Homme
  • Antibiotic daunorubicin and its preparation
    Patent number: 3989598
    Abstract: The invention provides the novel antibiotic known as daunorubicin (13057 RP) which has a powerful anti-cancer effect and is also an anti-bacterial agent. This antibiotic is a constituent of a mixture of three antibiotics, called 9865 R.P., produced by aerobic culture of one of the strains of Streptomyces, NRRL 3046 and 3045.
    Type: Grant
    Filed: November 21, 1968
    Date of Patent: November 2, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Sylvie Pinnert, Leon Ninet, Jean Preud'Homme
  • Antibiotic 20,798 R.P.
    Patent number: 3987028
    Abstract: The antibiotic 20,798 R.P. of the formula: ##SPC1##Is of special interest because of its anti-tumor activity. The antibiotic is produced by culture of the microorganism Streptomyces coeruleorubidus (NRRL 3045).
    Type: Grant
    Filed: March 4, 1969
    Date of Patent: October 19, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Jean Lunel, Jean Preud'Homme
  • Antibiotic 20,798 R.P.
    Patent number: 3987167
    Abstract: The antibiotic 20,798 R.P. of the formula: ##SPC1##Is of special interest because of its anti-tumour activity, being particularly active against acute lymphoblastic and myeloblastic leucaemias. The antibiotic is produced by culture of the microorganism Streptomyces coeruleorubidus (NRRL 3045).
    Type: Grant
    Filed: November 22, 1971
    Date of Patent: October 19, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Jean Lunel, Jean Preud'Homme