Patents by Inventor V. K. Upadhyay

V. K. Upadhyay 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 manufacture of polyolefins using non-metallocene catalysts
    Publication number: 20030225227
    Abstract: The present invention discloses a process for the polymerization of olefins in the presence of a catalyst comprising metal complexes of 2,6-diacetylpyridine bis-imines Preferably, the metal is a trivalent metal is selected from the group consisting of trivalent Fe, Ru, or Cr.
    Type: Application
    Filed: October 21, 2002
    Publication date: December 4, 2003
    Applicant: INDIAN PETROCHEMICALS CORPORATION LIMITED
    Inventors: Subhasis Talapatra, M. S. Choudhary, G. L. Tembe, A. R. Bandyopadhyay, V. K. Upadhyay, R. C. Jain, M. Ravindranathan