Patents by Inventor BOLLAPRAGADA S. RAO

BOLLAPRAGADA S. RAO 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).

  • A PROCESS FOR THE PREPARATION OF A MIXTURE OF ALKYL PHOENOLS
    Publication number: 20010005769
    Abstract: The present invention relates to a process for the preparation of mixture of alkyl phenols preferably of 2, 6 xylenol and o-cresol using an ortho selective catalyst comprises contacting a catalyst with a feed consisting of an alcohol and a phenolic compound at a temperature ranging between 250 to 400 ° C., at a pressure in the range of ambient to 150 psi and collecting the products at a temperature ranging between −5 to +5° C.
    Type: Application
    Filed: October 26, 1998
    Publication date: June 28, 2001
    Inventors: BOLLAPRAGADA S. RAO, KURUNGOT SREEKUMAR, TUNDI MADATHIL JYOTHI