Patents by Inventor Kompella Vishweshwara Ram Prasad

Kompella Vishweshwara Ram Prasad 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 nitration of xylene isomers using zeolite beta catalyst
    Patent number: 6703532
    Abstract: This invention relates to a process for the nitration of xylene isomers by using zeolite-beta as a catalyst. This invention particularly relates to a process for the nitration of xylenes using solid acid catalyst, thus totally eliminating the disposal of spent acid and salts. Herein we describe the nitration of disubstituted benzenes, all the isomers of xylene, by employing nitric acid and beta zeolite catalyst dispensing the use of acetic anhydride.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: March 9, 2004
    Assignee: Council of Scientific and Industrial Research
    Inventors: Boyapati Manoranjan Choudary, Mannepalli Lakshmi Kantam, Nadakuditi Sailendra Kumar, Kompella Vishweshwara Ram Prasad, Kondapuram Vijaya Raghavan
  • Process for the nitration of xylene isomers using zeolite beta catalyst
    Publication number: 20030166980
    Abstract: This invention relates to a process for the nitration of xylene isomers by using zeolite-beta as a catalyst. This invention particularly relates to a process for the nitration of xylenes using solid acid catalyst, thus totally eliminating the disposal of spent acid and salts. Herein we describe the nitration of disubstituted benzenes, all the isomers of xylene, by employing nitric acid and beta zeolite catalyst dispensing the use of acetic anhydride.
    Type: Application
    Filed: December 21, 2001
    Publication date: September 4, 2003
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Boyapati Manoranjan Choudary, Mannepalli Lakshmi Kantam, Nadakuditi Sailendra Kumar, Kompella Vishweshwara Ram Prasad, Kondapuram Vijaya Raghavan