Patents by Inventor Karthikeyan Venkata Narayanan

Karthikeyan Venkata Narayanan 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).

  • Nucleic acid encoding an isomerase, host cells containing the nucleic acid, and methods of making and using the host cells
    Patent number: 11421215
    Abstract: The present invention provides for a nucleic acid encoding an isomerase and uses of the isomerase for bioconversion of sugar substrates. The invention represents an advancement in the field of enzyme engineering and discloses a modified nucleic acid for achieving optimum expression of a protein having isomerase activity in a heterologous host. The invention also discloses vectors carrying the modified nucleic acid and recombinant host cells carrying the vectors. The invention also discloses the process for producing a recombinant host cell, process for production of the recombinant enzyme and the process for bioconversion of sugars into their respective isomers using the recombinant protein.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 23, 2022
    Assignee: PETIVA PRIVATE LIMITED
    Inventors: Saravanakumar Iyappan, Karthikeyan Venkata Narayanan, Banibrata Pandey
  • NUCLEIC ACID ENCODING AN ISOMERASE AND USES THEREOF
    Publication number: 20210024914
    Abstract: The present invention provides for a nucleic acid encoding an isomerase and uses of the isomerase for bioconversion of sugar substrates. The invention represents an advancement in the field of enzyme engineering and discloses a modified nucleic acid for achieving optimum expression of a protein having isomerase activity in a heterologous host. The invention also discloses vectors carrying the modified nucleic acid and recombinant host cells carrying the vectors. The invention also discloses the process for producing a recombinant host cell, process for production of the recombinant enzyme and the process for bioconversion of sugars into their respective isomers using the recombinant protein.
    Type: Application
    Filed: March 15, 2018
    Publication date: January 28, 2021
    Applicant: PETIVA PRIVATE LIMITED
    Inventors: Saravanakumar IYAPPAN, Karthikeyan VENKATA NARAYANAN, Banibrata PANDEY
  • Process for Preparing Non-Cariogenic, Sustained Energy Release Juice
    Publication number: 20190000116
    Abstract: The present invention provides a process for preparing non-cariogenic, sustained energy release juice. The process comprises contacting juice with an enzyme immobilized on Duolite at 30-50° C. for 1-5 h; wherein the enzyme is capable of converting cariogenic sugar to non-cariogenic sugar; and separating juice from the enzyme complex.
    Type: Application
    Filed: November 12, 2016
    Publication date: January 3, 2019
    Inventors: Banibrata Pandey, Rahul Raju Kanumuru, Saravanakumar Iyappan, Karthikeyan Venkata Narayanan, Humaira Parveen Sheikh