Patents by Inventor Sara Maculan

Sara Maculan 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 the Preparation of Alpha-Aryl-Alpha-Piperid-2-Yl-Acetamides and the Acid Hydrolysis Thereof
    Publication number: 20080269494
    Abstract: A process for the preparation of -aryl-piperid-2-yl-acetamides of formula (I) in which Ar is as defined in the disclosure, by catalytic reduction of ?-aryl-?-pyridin-2-yl-acetamides (II) with rhodium catalysts. Acetamides of formula (II) can subsequently by hydrolysed to the corresponding arylacetic acids, e.g. ritalinic acid, a direct precursor of methylphenidate.
    Type: Application
    Filed: December 16, 2005
    Publication date: October 30, 2008
    Inventors: Marco Frigerio, Sara Maculan, Domenico Vergani
  • Alkyl esters of the 2-(2-fluorosulphonyl)-perfluoroethylenoxy-3-halogen-propionic acid
    Patent number: 6949676
    Abstract: Compounds of formula CH2Y—CH(COOR1)—O—CF2CF2—SO2F, usable in the synthesis of the fluorosulphonic vinylether —CF2?CF—O—CF2CF2—SO2F.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: September 27, 2005
    Assignee: Ausimont S.p.A.
    Inventors: Vito Tortelli, Sara Maculan
  • Alkyl esters of the 2- (2-fluorosulphonyl)-perfluoroethylenoxy-3-halogen-propionic acid
    Publication number: 20040158099
    Abstract: Compounds of formula CH2Y—CH(COOR1)—O—CF2CF2—SO2F, usable in the synthesis of the fluorosulphonic vinylether —CF2═CF—O—CF2CF2—SO2F.
    Type: Application
    Filed: February 5, 2004
    Publication date: August 12, 2004
    Applicant: Ausimont S.P.A.
    Inventors: Vito Tortelli, Sara Maculan
  • Alkyl esters of the 2-(2-fluorosulphonyl)-perfluoroethylenoxy-3-halogen-propionic acid
    Patent number: 6703521
    Abstract: Compounds of formula CH2Y—CH(COOR1)—O—CF2CF2—SO2F, usable in the synthesis of the fluorosulphonic vinylether —CF2═CF—O——CF2CF2—SO2F.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: March 9, 2004
    Assignee: Ausimont S.p.A.
    Inventors: Vito Tortelli, Sara Maculan
  • Alkyl esters of the 2-(2-fluorosulphonyl)-perfluoroethylenoxy-3-halogen-propionic acid
    Publication number: 20030125582
    Abstract: Compounds of formula CH2Y—CH(COOR1)—O—CF2CF2—SO2F, usable in the synthesis of the fluorosulphonic vinylether —CF2═CF—O——CF2CF2—SO2F.
    Type: Application
    Filed: December 27, 2002
    Publication date: July 3, 2003
    Applicant: Ausimont S.p.A.
    Inventors: Vito Tortelli, Sara MacUlan