Patents by Inventor Indronil Sengupta

Indronil Sengupta 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).

  • Method of adding coal combustion enhancer to blast furnace
    Patent number: 6077325
    Abstract: In the manufacture of iron in which coke and coal are added to a blast furnace during iron manufacture, an improvement for enhancing the operation of the furnace is disclosed. A metallic element in the form of a compound thereof, the metallic element selected from zirconium, chromium, molybdenum, tungsten, manganese, iron, cobalt, nickel, copper, zinc, aluminum, tin and lead is added to the coal, allowing for a reduction in the amount of coke added to the furnace.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: June 20, 2000
    Assignee: BetzDearborn Inc.
    Inventors: Muthukumaraswamy Karanai Margan, Santanu Ghosh, Indronil Sengupta, James S. McNeill