Patents by Inventor Pamidipati Sirisha

Pamidipati Sirisha 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).

  • REACTIVE DISTILLATION PROCESS FOR PREPARATION OF ACETAMINOPHEN
    Publication number: 20120065423
    Abstract: The present invention relates to continuous processes for the preparation of primary and secondary N-acetylated aromatic amines of formula I or O-acetylated product of o-hydroxy benzoic acid of Formula II using acetic acid as an acetylating agent. wherein R1 has a definition of hydrogen atom, C1-C4 alkyl group or C1-C4 alkoxy group.
    Type: Application
    Filed: July 29, 2011
    Publication date: March 15, 2012
    Applicant: GRANULES INDIA LIMITED
    Inventors: Bhaskar Arumugam Krishna, Hasnat Abul, Pamidipati Sirisha