Patents by Inventor Venketa R. Parthasarathy

Venketa R. Parthasarathy 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).

  • Chemiluminescent wetness indicator for absorbent products
    Patent number: 11505787
    Abstract: Disclosed herein are fluff pulp compositions, absorbent articles comprising the fluff pulp compositions, and related methods. The fluff pulp compositions comprise a chemiluminescent system configured to produce visible light upon contact with an aqueous system. Representative absorbent articles include disposable diapers and adult incontinence products. Representative chemiluminescent systems include bioluminescent systems.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 22, 2022
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Brent A. Petersen, Venketa R. Parthasarathy
  • CHEMILUMINESCENT WETNESS INDICATOR FOR ABSORBENT PRODUCTS
    Publication number: 20190203187
    Abstract: Disclosed herein are fluff pulp compositions, absorbent articles comprising the fluff pulp compositions, and related methods. The fluff pulp compositions comprise a chemiluminescent system configured to produce visible light upon contact with an aqueous system. Representative absorbent articles include disposable diapers and adult incontinence products. Representative chemiluminescent systems include bioluminescent systems.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Applicant: International Paper Company
    Inventors: Brent A. Petersen, Venketa R. Parthasarathy
  • Chemiluminescent wetness indicator for absorbent products
    Patent number: 10273463
    Abstract: Disclosed herein are fluff pulp compositions, absorbent articles comprising the fluff pulp compositions, and related methods. The fluff pulp compositions comprise a chemiluminescent system configured to produce visible light upon contact with an aqueous system. Representative absorbent articles include disposable diapers and adult incontinence products. Representative chemiluminescent systems include bioluminescent systems.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 30, 2019
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Brent A. Petersen, Venketa R. Parthasarathy
  • CHEMILUMINESCENT WETNESS INDICATOR FOR ABSORBENT PRODUCTS
    Publication number: 20160108375
    Abstract: Disclosed herein are fluff pulp compositions, absorbent articles comprising the fluff pulp compositions, and related methods. The fluff pulp compositions comprise a chemiluminescent system configured to produce visible light upon contact with an aqueous system. Representative absorbent articles include disposable diapers and adult incontinence products. Representative chemiluminescent systems include bioluminescent systems.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 21, 2016
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Brent A. Petersen, Venketa R. Parthasarathy
  • Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
    Patent number: 5387317
    Abstract: A method for delignification and bleaching of cellulosic pulp which comprises reacting a cellulosic pulp with peracetic acid, ozone and oxygen under conditions of acidic pH. The ozone substantially completely reacts with the pulp and, thereafter, the oxygen reacts with the pulp under under an acidic pH.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: February 7, 1995
    Assignee: The Mead Corporation
    Inventors: Venketa R. Parthasarathy, Glenn F. Rudie