Patents by Inventor Rangarani Karnati

Rangarani Karnati 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).

  • Publication number: 20150041091
    Abstract: The invention provides methods and compositions for improving the characteristics of paper substrates. The method involves adding to a paper substrate an NCC-polymer. NCC-polymers have unique chemical properties which result in improvements in wet strength, dry strength and drainage retention properties of the paper substrates.
    Type: Application
    Filed: October 1, 2013
    Publication date: February 12, 2015
    Applicant: Ecolab USA Inc.
    Inventors: David J. Castro, Rangarani Karnati, Shawnee M. Wilson, Weiguo Cheng, Mei Liu, Zhiyi Zhang
  • Publication number: 20150041088
    Abstract: The invention provides methods and compositions for improving the characteristics of paper substrates. The method involves adding to a paper substrate an NCC-polymer. NCC-polymers have unique chemical properties which result in improvements in wet strength, dry strength and drainage retention properties of the paper substrates.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 12, 2015
    Applicant: Ecolab USA Inc.
    Inventors: David A. Castro, Rangarani Karnati, Shawnee M. Wilson, Weiguo Cheng, Mei Liu, Zhiyi Zhang