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).

  • FUNCTIONALIZED POLYMER COMPOSITIONS
    Publication number: 20160060454
    Abstract: The invention relates to functionalized polymers including homopolymers and copolymers and their uses in industrial applications and in agricultural applications. In particular, the homopolymers and copolymers may be, for example, used in polymer blends, used as nutritives and in feed compositions, and used in combination with a pharmaceutical or nutritive.
    Type: Application
    Filed: November 10, 2015
    Publication date: March 3, 2016
    Inventors: Graciela B. Arhancet, Matthew Mahoney, Xiaojun Wang, Rangarani Karnati
  • MATRIX AND LAYER COMPOSITIONS FOR PROTECTION OF BIOACTIVES
    Publication number: 20150157577
    Abstract: The invention relates to matrix and layer compositions comprising a first polymer. The matrix and layer compositions are useful in the delivery of bioactives. In particular, the matrices and layers may have advantageous properties including mechanical properties and protection of bioactives and may also provide for pH-dependent release of a bioactive.
    Type: Application
    Filed: July 11, 2013
    Publication date: June 11, 2015
    Inventors: Houston Stephen Smith, Matthew J. Fischer, Graciela B. Arhancet, Rangarani Karnati, John A. Hume, Xiaojun Wang
  • Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process
    Patent number: 9034145
    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: Grant
    Filed: October 1, 2013
    Date of Patent: May 19, 2015
    Assignee: Ecolab USA Inc.
    Inventors: David J. Castro, Rangarani Karnati, Shawnee M. Wilson, Weiguo Cheng, Mei Liu, Zhiyi Zhang
  • USE OF NANOCRYSTALINE CELLULOSE AND POLYMER GRAFTED NANOCRYSTALINE CELLULOSE FOR INCREASING RETENTION IN PAPERMAKING PROCESS
    Publication number: 20150041089
    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
  • USE OF NANOCRYSTALINE CELLULOSE AND POLYMER GRAFTED NANOCRYSTALINE CELLULOSE FOR INCREASING RETENTION, WET STRENGTH, AND DRY STRENGTH IN PAPERMAKING PROCESS
    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
  • USE OF NANOCRYSTALINE CELLULOSE AND POLYMER GRAFTED NANOCRYSTALINE CELLULOSE FOR INCREASING RETENTION IN PAPERMAKING PROCESS
    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