Patents by Inventor Abdul Rakeeb Abdul Subhan Deshmukh

Abdul Rakeeb Abdul Subhan Deshmukh 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 preparing alkyl/aryl chloroformates
    Patent number: 6919471
    Abstract: Alky/aryl chloroformates are prepared directly from alcohols and triphosgene. This method is simple, mild and efficient avoids use of hazardous phosgene. It can be used for the preparation of various aryl as well as alkyl chloroformates in excellent yields.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: July 19, 2005
    Assignee: Council of Scientific and Industrial Research
    Inventors: Abdul Rakeeb Abdul Subhan Deshmukh, Vikas Kalyanrao Gumaste
  • Pesticidal ester preparation
    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