Patents by Inventor Luigi Forte

Luigi Forte 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).

  • Patent number: 6417350
    Abstract: A process for preparing the compound (11&bgr;,16&bgr;)-21-(3-CARBOXY-1-OXOPROPOXY)-11-HYDROXY-2′-METHYL-5′H-PREGNA-1,4-DIENO(17,16-D) OXAZOLE-3,20-DIONE which comprises reacting the compound (11&bgr;,16&bgr;)-11,21-DIHYDROXY-2′-METHYL-5′H-PREGNA-1, 4-DIENO(17,16-D)OXAZOLE-3,20-DIONE with succinic anhydride in a (C1-C4) alkyl ester of a (C1-C4) carboxylic acid as solvent, in the presence of a basic catalyst.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: July 9, 2002
    Assignee: Aventis Bulk S.p.A.
    Inventors: Luigi Forte, Calogero Cancellieri
  • Patent number: 6228851
    Abstract: Process for preparing the compound 11&bgr;-21-dihydroxy-2′-methyl-5′&bgr;H-pregna-1,4-dieno[17,16-d]oxazoline-3,20-dione of formula (I): which comprises adsorbing said compound, contained into an aqueous solution resulting from fermentation broths or process streams, on an adsorbent polymeric resin having a styrenic or acrylic matrix and subsequently desorbing the said compound by eluting the resin with suitable mixture of water with a water-miscible organic solvent.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: May 8, 2001
    Assignee: Gruppo Lepetit S.p.A.
    Inventor: Luigi Forte
  • Patent number: 6103895
    Abstract: A process for preparing the compound (11.beta.,16.beta.)-21-(acetyloxy)-11-hydroxy-2'-methyl-5'H-pregna-1,4-die no[17,16-d]oxazole-3,20-dione (INN deflazacort) which comprises reacting (11.beta.,16.beta.)-11,21 -dihydroxy-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione with acetic anhydride in a suitable organic solvent in the presence of a basic catalyst and water.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: August 15, 2000
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Luigi Forte, Calogero Cancellieri