Patents by Inventor N. Harsha Attanayake

N. Harsha Attanayake 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).

  • Two-electron donating phenothiazines and use thereof
    Patent number: 10954201
    Abstract: Compounds for use as electrolyte in a non-aqueous redox battery are provided, including an N-substituted phenothiazine compound according to the formula: R? is alkyl and R is selected from alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, arylcarbonyl, haloalkyl, perfluoroalkyl, glycol, polyether, haloaryl, a negative electrolyte, a polymerizable unit, and a polymer.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 23, 2021
    Assignee: University of Kentucky Research Foundation
    Inventors: Susan A. Odom, Aman Preet Kaur, Matthew D. Casselman, N. Harsha Attanayake
  • 1,9,10-substituted phenothiazine derivatives with strained radical cations and use thereof
    Patent number: 10854911
    Abstract: Compounds for use in a rechargeable battery are provided, including a compound according to the formula: wherein R1 and R9 are independently selected from the group consisting of H, alkyl, aryl, perfluoroaryl, perfluoroalkyl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, glycols, haloaryl, a negative electrolyte, and a polymer, so long as when R1 is H, R9 is not H; and R10 is selected from the group consisting of methyl, alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, perfluoroaryl, glycols, haloaryl, an oligomer, and a polymer.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: December 1, 2020
    Assignee: University of Kentucky Research Foundation
    Inventors: Susan A. Odom, Chad Risko, Matthew D. Casselman, Corrine F. Elliott, N. Harsha Attanayake, Subrahmanyam Modekrutti
  • Two-Electron Donating Phenothiazines and Use Thereof
    Publication number: 20180057471
    Abstract: Compounds for use as electrolyte in a non-aqueous redox battery are provided, including an N-substituted phenothiazine compound according to the formula: R? is alkyl and R is selected from alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, arylcarbonyl, haloalkyl, perfluoroalkyl, glycol, polyether, haloaryl, a negative electrolyte, a polymerizable unit, and a polymer.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Inventors: Susan A. Odom, Aman Preet Kaur, Matthew D. Casselman, N. Harsha Attanayake
  • 1,9,10-SUBSTITUTED PHENATHIAZINE DERIVATIVES WITH STRAINED RADICAL CATIONS AND USE THEREOF
    Publication number: 20180026297
    Abstract: Compounds for use in a rechargeable battery are provided, including a compound according to the formula: wherein R1 and R9 are independently selected from the group consisting of H, alkyl, aryl, perfluoroaryl, perfluoroalkyl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, glycols, haloaryl, a negative electrolyte, and a polymer, so long as when R1 is H, R9 is not H; and R10 is selected from the group consisting of methyl, alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, perfluoroaryl, glycols, haloaryl, an oligomer, and a polymer.
    Type: Application
    Filed: July 19, 2017
    Publication date: January 25, 2018
    Inventors: Susan A. Odom, Chad Risko, Matthew D. Casselman, Corrine F. Elliott, N. Harsha Attanayake, Subrahmanyam Modekrutti