Patents by Inventor Mohammad Rizwana

Mohammad Rizwana 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 ILOPERIDONE USING A NOVEL INTERMEDIATE
    Publication number: 20120220776
    Abstract: The present invention provides a novel process for the preparation of iloperidone using a novel intermediate. Thus, for example, 4-(3-chloropropoxy)-3-methoxybenzaldehyde is reacted with methyl magnesium iodide in ether and the reaction mass is heated for 6 hours at reflux temperature, the resulting mass is cooled to ambient temperature and then poured into a mixture of ice, water and dilute hydrochloric acid to produce 1-[4-(3-chloropropoxy)-3-methoxyphenyl]ethanol, which is then subsequently converted to iloperidone.
    Type: Application
    Filed: November 19, 2009
    Publication date: August 30, 2012
    Applicant: SYMED LABS LIMITED
    Inventors: Dodda Mohan Rao, Pingili Krishna Reddy, Kanakuntla Chandana Reddy, Mohammad Rizwana