Patents Assigned to Indian Explosives Ltd.
  • Catalytic process for the direct carbonylation of organic nitro compounds
    Patent number: 4491670
    Abstract: Isocyanates, or derivatives thereof, are produced from nitrobenzene or 2,4-dinitrotoluene by reaction with carbon monoxide in the presence of an iron, ruthenium, rhodium, or platinum carbonyl as catalyst.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: January 1, 1985
    Assignee: Indian Explosives Ltd.
    Inventors: Sumit Bhaduri, Krishna R. Sharma, Gopalkrishnan S. Kalpathi