Patents by Inventor Rajat K. Sen

Rajat K. Sen 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: 4501824
    Abstract: A heterogeneous catalyst and method for making chlorine dioxide from an acid and a metal chlorate solution. The catalyst comprises coformed mixed oxides of platinum group metals with at least one valve metal oxide.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: February 26, 1985
    Assignee: Eltech Systems Corporation
    Inventors: Kenneth L. Hardee, Arnold Z. Gordon, Charles B. Pyle, Rajat K. Sen
  • Patent number: 4426263
    Abstract: An electrocatalyst together with a heterogeneous electrocatalytic method for making chlorine dioxide from an acid and a metal chlorate solution. The catalyst generally comprises at least one of a valve metal oxide, ruthenium oxide, iridium oxide, palladium oxide, platinum oxide and rhodium oxide.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: January 17, 1984
    Assignee: Diamond Shamrock Corporation
    Inventors: Kenneth L. Hardee, Arnold Z. Gordon, Charles B. Pyle, Rajat K. Sen
  • Patent number: 4381290
    Abstract: A catalyst together with a heterogeneous catalytic method for making chlorine dioxide from an acid and a metal chlorate solution. The catalyst generally comprises at least one of a valve metal oxide, ruthenium oxide, iridium oxide, palladium oxide, platinum oxide and rhodium oxide.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: April 26, 1983
    Assignee: Diamond Shamrock Corporation
    Inventors: Kenneth L. Hardee, Arnold Z. Gordon, Charles B. Pyle, Rajat K. Sen
  • Patent number: 4362707
    Abstract: A catalyst together with a catalytic method for making chlorine dioxide from an acid and a metal chlorate solution. The catalyst generally comprises at least one of a valve metal oxide, ruthenium oxide, iridium oxide, palladium oxide, platinum oxide and rhodium oxide.
    Type: Grant
    Filed: April 23, 1981
    Date of Patent: December 7, 1982
    Assignee: Diamond Shamrock Corporation
    Inventors: Kenneth L. Hardee, Arnold Z. Gordon, Charles B. Pyle, Rajat K. Sen