Patents by Inventor Pradipta Sinha

Pradipta Sinha 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 the preparation of diorganotrisulfide
    Patent number: 6555712
    Abstract: The present invention discloses a process for the preparation of a diorganotrisulfide said process by reacting an organic halide and elemental sulfur (&agr;-rhombic) using catalytic copper (II) halide and tin (II) halide in a mixture of organic solvents at 30-70° C.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: April 29, 2003
    Assignees: Indian Institute of Technology, Council of Scientific and Industrial Research
    Inventors: Pradipta Sinha, Sujit Roy
  • Process for the preparation of diorganotrisulfide
    Publication number: 20020198410
    Abstract: The present invention discloses a process for the preparation of a diorganotrisulfide said process by reacting an organic halide and elemental sulfur (&agr;-rhombic) using catalytic copper (II) halide and tin (II) halide in a mixture of organic solvents at 30-70° C.
    Type: Application
    Filed: March 28, 2001
    Publication date: December 26, 2002
    Applicant: INDIAN INSTITUTE OF TECHNOLOGY
    Inventors: Pradipta Sinha, Sujit Roy