Patents by Inventor Domenico Maggi

Domenico Maggi 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 purifying diacerein
    Publication number: 20060135797
    Abstract: A process for obtaining diacerein with an aloe-emodine content lower thatn 100 ppm, prefereably of 0-5 ppm, is herein disclosed. The process comprises subjecting an an aqueous-organic solution of a diacerein salt with a weak base to extraction with a water immiscible or sparingly water-miscible solvent, such as toluene, aetates of C2-C4 alcohols, halohydrocarbons and the like.
    Type: Application
    Filed: November 24, 2003
    Publication date: June 22, 2006
    Inventor: Domenico Maggi