Patents by Inventor Luigi De Ambrosi

Luigi De Ambrosi 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).

  • Bio-available iron-protein derivatives and process for their preparation
    Patent number: 4746730
    Abstract: Bio-available iron-protein derivatives having an iron content of from 2% to 20% by weight and a nitrogen content of from 12% to 16% by weight obtained by reacting acetylated globin with an iron compound selected from the group consisting of ferric chloride, iron fructate and iron saccharate, and pharmaceutical compositions for treating and preventing iron deficiency in animals and humans.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: May 24, 1988
    Assignee: Mediolanum Farmaceutici
    Inventors: Luigi De Ambrosi, Piergiuseppe Pagella
  • Extracting protease-inhibitor from animal tissue containing same
    Patent number: 4216293
    Abstract: Protease inhibitor is extracted from fresh or frozen organs of slaughtered animals by an enzymolysis operation which excludes any possibility of interference by azymic autolysis, the enzymolysis being stopped after a time not exceeding 4 hours, whereafter a lysate aqueous solution is obtained by filtration and a quaternary ammonium base is added to the lysate solution to precipitate insolubles, the filtrate being the fraction which contains the expected protease inhibitor.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: August 5, 1980
    Assignee: Laboraton Derivati Organici, S.p.A.
    Inventors: Gianfranco Fedeli, Luigi De Ambrosi