Patents by Inventor Rajendra Anantrao Kulkarni

Rajendra Anantrao Kulkarni 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 2-acrylamido-2-methyl-1-propanesulfonic acid
    Patent number: 6504050
    Abstract: The present invention provides a process for the preparation of highly pure 2-acrylamido-2-methyl-1-propanesulfonic acid in high yield, with improved appearance, by the reaction of acrylonitrile with more than 98% sulfuric acid or oleum and liquefied isobutylene in presence of weak inorganic acids or organic sulfonic acids.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: January 7, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Prashant Purushottam Barve, Sunil Shankar Joshi, Ravindra William Shinde, Milind Yashwant Gupte, Chandrashekhar Narayan Joshi, Shrikant Madhukar Ghike, Raghavendra Venkatrao Naik, Rajendra Anantrao Kulkarni, Aruna Narayan Bote