Patents by Inventor Grazia Beretta

Grazia Beretta 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).

  • Glycopeptide antibiotics
    Patent number: 5567676
    Abstract: The present invention concerns new antiobiotic substances demoninated de-acyl antibiotics A40926, de-acyl antibiotic A 40926P and antibiotic A 40926 amino glucronyl aglycon, and the use of these substances in the treatment of infectious diseases involving microorganisms susceptible to it.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 22, 1996
    Assignee: Gruppo Lepetit S.p.A
    Inventors: Enrico Selva, Grazia Beretta, Angelo Borghi, Maurizio Denaro
  • Antibiotic A 40926 complex and its pure factors PA, PB, A, B and B.sub.0
    Patent number: 4935238
    Abstract: The present invention concerns a new antibiotic substance arbitrarily denominated antibiotic A 40926 complex and its factors antibiotic A 40926 factor A, antibiotic A 40926 factor B, antibiotic A 40926 factor B.sub.0, antibiotic A 40926 factor PA and antibiotic A 40926 factor PB, a process for producing them by culturing the new strain Actinomadura sp. ATCC 39727 or an A 40926 producing variant or mutant thereof and the use of these new antibiotic substances in the treatment of infectious diseases involving microorganisms susceptible to them. The antibiotic substances of the invention are glycopeptidic substances belonging to the vancomycin class of antibiotics which have binding capacity to Acyl-D-Alanyl-D-Alanine.
    Type: Grant
    Filed: October 9, 1985
    Date of Patent: June 19, 1990
    Assignee: Gruppo Lepetit, S.p.A.
    Inventors: Enrico Selva, Grazia Beretta, Luciano Gastaldo, Angelo Borghi, Beth P. Goldstein, Giovanni Cassani, Vittorio Arioli, Francesco Parenti
  • Antibiotic SB 22484
    Patent number: 4607012
    Abstract: The present invention concerns a new antibiotic substance arbitrarily designated as antibiotic SB 22484, to a process for its production by culturing Streptomyces sp. NRRL 15496 or a producing variant or mutant thereof, and to the use of the new antibiotic substance in the treatment of infectious diseases involving microorganisms susceptible to this antibiotic substance.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: August 19, 1986
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Enrico Selva, Grazia Beretta, Giorgio Tamoni, Vittorio Arioli, Giovanni Cassani, Francesco Parenti
  • Antibiotic substances
    Patent number: 4239751
    Abstract: This invention relates to a novel antibiotic mixture and to the process for its production. This antibiotic mixture comprises a family of new antibiotic substances which may be separated and isolated as individual components.These antibiotic substances are referred to herein as antibiotic 8327 factor A, antibiotic 8327 factor B and antibiotic 8327 factor C.Antibiotic 8327 factor A is in turn a mixture of three fractions which will be referred to herein as teichomycin A.sub.1, teichomycin A.sub.2 and teichomycin A.sub.3. The novel antibiotic mixture is obtained by cultivation of strain Actinoplanes teichomyceticus nov. sp. ATCC 31121.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 16, 1980
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Carolina Coronelli, Grazia Beretta, Maria R. Bardone, Francesco Parenti