Patents by Inventor Godfree Pavalu Fernandes

Godfree Pavalu Fernandes 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).

  • Processes for Preparing Donepezil
    Publication number: 20100105916
    Abstract: A process for preparing highly pure donepezil, particularly donepezil hydrochloride, is provided comprising hydrogenating compound 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-ylidene]methyl-piperidine or its hydrochloride salt with a noble metal catalyst or a derivative thereof, in the presence of at least one additive, wherein the additive contains at least one heteroatom, e.g., a sulfur, phosphorous, or nitrogen heteroatom.
    Type: Application
    Filed: April 23, 2009
    Publication date: April 29, 2010
    Applicant: Sterling Biotech Limited
    Inventors: Raju Mahadev Kharatkar, Sachin Vinayakrao Pande, Nilesh Liladhar Bonde, Godfree Pavalu Fernandes, Sugata Chatterjee