Patents by Inventor Anna L. Colombo

Anna L. Colombo 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).

  • Process for preparing daunorubicin
    Patent number: 5563064
    Abstract: The ability to convert carminomycin to daunorubicin can be conferred on a host by transforming the host with a recombinant vector comprising a DNA having the configuration of restriction sites shown in FIGS. 2, 3 and 4 and a nucleotide sequence shown in FIG. 3 of the accompanying drawings or a restriction fragment derived therefrom containing a gene coding for carminomycin 4-O-methyltransferase.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: October 8, 1996
    Assignee: Farmitalia Carlo Erba S.R.L.
    Inventors: Charles R. Hutchinson, Krishna M. Madduri, Francesca Torti, Anna L. Colombo
  • Process for preparing daunorubicin
    Patent number: 5364781
    Abstract: The ability to convert carminomycin to daunorubicin can be conferred on a host by transforming the host with a recombinant vector comprising a DNA having the configuration of restriction sites shown in FIGS. 2, 3 & 4 and nucleotide sequence shown in FIG. 3 of the accompanying drawings or a restriction fragment derived therefrom containing a gene coding for carminomycin 4-O-methyltransferase.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: November 15, 1994
    Assignee: Farmitalia Carlo ERBA S.r.l
    Inventors: Charles R. Hutchinson, Krishna M. Madduri, Francesca Torti, Anna L. Colombo