Patents by Inventor Leon Ninet

Leon Ninet 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 19,402 RP
    Patent number: 3966557
    Abstract: The new antibiotic designated 19,402 R.P. - an acid - is obtained by the cultivation of the microorganism " Streptomyces 6227" or "Streptomyces peruviensis" NRRL 2757, the characteristics of which are described in British Patent No. 846,801. The antibiotic and its alkali metal salts are particularly active against gram-positive microorganisms.
    Type: Grant
    Filed: March 24, 1972
    Date of Patent: June 29, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventors: Denise Mancy, Leon Ninet, Preud'homme, Jean