Patents by Inventor Sagun Kashinath Tandel

Sagun Kashinath Tandel 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).

  • Patent number: 5750757
    Abstract: A process for the preparation of an S-alkyl ester of an N-alkyl carbamothioic acid having the formula: ##STR1## wherein R and R.sub.2 are each an alkyl group and R.sub.1 is hydrogen or alkyl, which includes refluxing the corresponding alkyl ester of N-alkyl thiocarbamio acid having the formula I ##STR2## wherein R and R.sub.2 are each alkyl and R.sub.1 is hydrogen or alkyl, in the presence of an acid catalyst selected from the group consisting of iodine and sulfuric acid.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: May 12, 1998
    Assignee: Council of Scientific and Industrial Research
    Inventors: Abdul Rakeeb Abdul Subhan Deshmukh, Rajan Hiralal Naik, Sagun Kashinath Tandel, Srinivasachari Rajappa