Patents by Inventor Alberto Brant

Alberto Brant 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).

  • 5,6-Dehydropenicillins
    Patent number: 4353825
    Abstract: A method is disclosed for the preparation of a class of dehydropenicillins by irradiating substituted 4-acylmethylthio-2-azetidinones and subsequently subjecting the as-obtained product to cyclization. Processing conditions and analytical data are reported.
    Type: Grant
    Filed: February 19, 1981
    Date of Patent: October 12, 1982
    Assignee: Snamprogetti, S.p.A.
    Inventors: Luciano Re, Alberto Brant, Luciano Bassignani
  • Method of preparation of 5,6-dehydropenicillins
    Patent number: 4288366
    Abstract: A method is disclosed for the preparation of a class of dehydropenicillins by irradiating substituted 4-acylmethylthio-2-azetidinones and subsequently subjecting the as-obtained product to cyclization. Processing conditions and analytical data are reported.
    Type: Grant
    Filed: July 19, 1979
    Date of Patent: September 8, 1981
    Assignee: Snamprogetti, S.p.A.
    Inventors: Luciano Re, Alberto Brant, Luciano Bassignani
  • 4-Thioxo-2-azetidinones
    Patent number: 4133807
    Abstract: A method is disclosed for the preparation of a class of dehydropenicillins by irradiating substituted 4-acylmethylthio-2-azetidinones and subsequently subjecting the as-obtained product to cyclization. Processing conditions and analytical data are reported.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: January 9, 1979
    Assignee: Snamprogetti, S.p.A.
    Inventors: Luciano Re, Alberto Brant, Luciano Bassignani