Patents by Inventor Kumar Samir Singh

Kumar Samir Singh 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 production of pyridine and picolines
    Patent number: 7365204
    Abstract: An process for the preparation of pyridine and/or picolines is disclosed. The process comprises contacting a mixture of carbonyl compound with ammonia in the presence of surface-passivated titanium-silicate catalyst in gas phase at a temperature ranging between 300-500° C., at gas space velocity in the range of 300 to 3000 h?1 and at a pressure ranging between 1 to 10 atmosphere, condensing and separating the products by conventional methods and if desired, further purifying the product using well known conventional methods.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: April 29, 2008
    Assignees: Council of Scientific and Industrial Research, Jubliant Organosys Limited
    Inventors: Rajiv Kumar, Praphulla Narahar Joshi, Gopal Moreshwar Chaphekar, Prashant Suresh Niphadkar, Ashutosh Agarwal, Pradeep Kumar Verma, Kumar Samir Singh