Patents by Inventor Papagiri Venkat Reddy

Papagiri Venkat Reddy 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).

  • Substituted 4-?-acrylamidopodophyllotoxin congeners as antitumour antibiotics and the process for preparation thereof
    Patent number: 8673969
    Abstract: The present invention provides compounds of general formula (3) as useful potential antitumour agents against human cancer cell lines. The present invention further provides a process for the synthesis of 4?-acrylamidopodophyllotoxin congeners of general formula (3), wherein R and R1 are an aryl group and R is selected from 3,4,5-trimethoxyphenyl or 2-methoxy phenyl and R1 is selected from the group consisting of 4-hydroxy-3-methoxyphenyl, 3-hydroxy-4-methoxyphenyl, 4-fluoro-3-methoxyphenyl, 3-fluoro-4-methoxyphenyl, 2-fluoro-5-methoxyphenyl, 2-fluoro-4-methoxyphenyl, 4-hydroxy-3-nitrophenyl, 4-methoxy-3-nitrophenyl, 4-nitrophenyl, 3-nitrophenyl, 2-nitro phenyl, 4-methoxyphenyl, 3-methoxyphenyl and 4-hydroxyphenyl.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: March 18, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Suresh Paidakula, Ashwini Kumar Banala, Adla Malla Reddy, Papagiri Venkat Reddy
  • SUBSTITUTED 4-BETA-ACRYLAMIDOPODOPHYLLOTOXIN CONGENERS AS ANTITUMOUR ANTIBIOTICS AND THE PROCESS FOR PREPARATION THEREOF
    Publication number: 20130225672
    Abstract: The present invention provides compounds of general formula (3) as useful potential antitumour agents against human cancer cell lines. The present invention further provides a process for the synthesis of 4?-acrylamidopodophyllotoxin congeners of general formula (3), wherein R and R1 are an aryl group and R is selected from 3,4,5-trimethoxyphenyl or 2-methoxy phenyl and R1 is selected from the group consisting of 4-hydroxy-3-methoxyphenyl, 3-hydroxy-4-methoxyphenyl, 4-fluoro-3-methoxyphenyl, 3-fluoro-4-methoxyphenyl, 2-fluoro-5-methoxyphenyl, 2-fluoro-4-methoxyphenyl, 4-hydroxy-3-nitrophenyl, 4-methoxy-3-nitrophenyl, 4-nitrophenyl, 3-nitrophenyl, 2-nitro phenyl, 4-methoxyphenyl, 3-methoxyphenyl and 4-hydroxyphenyl.
    Type: Application
    Filed: March 9, 2011
    Publication date: August 29, 2013
    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Kamal Ahmed, Suresh Paidakula, Ashwini Kumar Banala, Adla Malla Reddy, Papagiri Venkat Reddy