Patents by Inventor Alfredo Ceccarelli

Alfredo Ceccarelli 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 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones
    Publication number: 20070173523
    Abstract: The present invention relates to a process for producing 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones of formula 1, including Finasteride and Dutasteride.
    Type: Application
    Filed: January 20, 2006
    Publication date: July 26, 2007
    Inventors: Zhi-Xian Wang, Alfredo Ceccarelli, Mohammed Abdul Raheem, Bhaskar Guntoori