Patents by Inventor Anna Ramesh Joshi

Anna Ramesh Joshi 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).

  • CONTINUOUS TWO STEP FLOW SYNTHESIS OF M-AMINO ACETOPHENONE
    Publication number: 20140243556
    Abstract: Disclosed herein is a continuous tubular reactor based conversion of acetophenones to amino substituted acetophenones wherein the nitration is carried out at ?10 to 10° C. followed by reduction to m-nitrophenone resulting in uniform output of product, said process comprising the steps of: a) Nitrating acetophenone with nitrating agent (nitration mixture or fuming nitric acid) at ?10 to 10° C.; b) Isolating m-nitro acetophenone from a mixture of o and m-nitro acetophenone and c) Reducing the m-nitro to obtain m-amino acetophenone.
    Type: Application
    Filed: October 15, 2012
    Publication date: August 28, 2014
    Inventors: Arvind Amol Kulkarni, Anna Ramesh Joshi, Ramesh Rohini Joshi