Patents by Inventor Carlo Zirotti

Carlo Zirotti 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).

  • Derivatives of 1-benzoyl 2-oxo 5-alkoxy pyrrolidine, their preparation, their use as medicaments and the compositions containing them
    Patent number: 4948804
    Abstract: Compounds useful in the treatment of patients suffering from intellectual or nervous asthenias, memory failures, senescence or mental strain of the formula (I): ##STR1## in which R' represents hydrogen, linear, branched or cyclic alkyl containing up to 12 carbon atoms, alkenyl containing from 2 to 8 carbon atoms, acyl containing from 1 to 6 carbon atoms or aralkyl containing from 7 to 15 carbon atoms and R represents aryl containing up to 14 carbon atoms, optionally substituted, or a mono- or polycryclic heterocyclic aromatic radical, optionally substituted; also therapeutic compositions containing those compounds and method of use.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: August 14, 1990
    Assignee: Roussel Uclaf
    Inventors: Giulio Galliani, Fernando Barzaghi, Carlo Zirotti, Emilio Toja
  • Derivatives of 1-benzensulphonyl-2-oxo-5-alkylthio pyrrolidine, and compositions containing them
    Patent number: 4897414
    Abstract: Compounds useful in the treatment of patients suffering from intellectual or nervous asthenias, memory failures, senescence or mental strain of the formula (I) ##STR1## in which R' represents hydrogen, linear, branched or cyclic alkyl containing up to 8 carbon atoms, alkenyl containing from 2 to 8 carbon atoms, acyl containing from 1 to 6 carbon atoms or aralkyl containing from 7 to 15 carbon atoms and R represents aryl containing up to 14 carbon atoms, possibly substituted, or a mono- or polycyclic heterocyclic aromatic radical possibly substituted; also process and intermediates for their preparation, therapeutic compositions containing those compounds and method of use.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: January 30, 1990
    Assignee: Roussel UCAF
    Inventors: Emilio Toja, Carlo Zirotti, Fernando Barzaghi, Giulio Galliani
  • 1-benzenesulphonyl-2-oxo-5-alkoxypyrrolidines and medical methods of use thereof
    Patent number: 4829079
    Abstract: Memory enhancing 1-(benzenesulfonyl)-2-oxo-5-alkoxy-pyrrolidines are prepared by alkylation of the corresponding pyrrolidones or pyrrolidone precursors.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: May 9, 1989
    Assignee: Roussel Uclaf
    Inventors: Emilio Toja, Carlo Gorini, Carlo Zirotti, Fernando Barzaghi, Giulio Galliani
  • 1-styrenesulphonyl-2-oxo-5-hydroxy pyrrolidines and their use for memory restoration after electoshock treatment
    Patent number: 4810722
    Abstract: The therapeutic compounds useful in the treatment of patients suffering from intellectual or nervous asthenias, memory failures or old age and excessive intellectual fatigue having the formula (I): ##STR1## in which R.sub.1 represents an alkyl radical, linear or branched, containing up to 8 carbons atoms, an acyl radical containing from 1 to 6 carbon atoms or a cycloalkyl radical containing from 3 to 6 carbon atoms and R represents an aryl radical containing up to 14 carbon atoms, unsubstituted or substituted, or a mono- or polycyclic heterocyclic radical, unsubstituted or substituted. Also, therapeutic compositions containing the compound, method of preparing the compound and method of use.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: March 7, 1989
    Assignee: Roussel Uclaf
    Inventors: Emilio Toja, Carlo Zirotti, Giulio Galliani, Fernando Barzaghi