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Ranjani V. Siriwardane
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Morgantown, WV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Encapsulation method for preparation of pellets with high attrition...
Patent number
11,433,385
Issue date
Sep 6, 2022
Energy, United States Department of
Ranjani Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Iron based catalysts for production of carbon and hydrogen from dec...
Patent number
11,427,467
Issue date
Aug 30, 2022
Energy, United States Department of
Ranjani Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Production of synthesis gas from natural gas with copper—iron—manga...
Patent number
11,059,721
Issue date
Jul 13, 2021
U.S. Department of Energy
Ranjani Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Metal ferrite oxygen carriers for conversion of CO2 to CO and fuel...
Patent number
10,864,501
Issue date
Dec 15, 2020
U.S. Department of Energy
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Production of pure hydrogen and synthesis gas or carbon with CUO-Fe...
Patent number
10,513,436
Issue date
Dec 24, 2019
U.S. Department of Energy
Ranjani Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Metal ferrite catalyst for conversion of CO2 and methane to synthes...
Patent number
10,427,138
Issue date
Oct 1, 2019
U.S. Department of Energy
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Metal ferrite oxygen carriers/catalyst for partial oxidation of met...
Patent number
10,106,407
Issue date
Oct 23, 2018
U.S. Department of Energy
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Metal ferrite oxygen carriers for gasification of solid carbonaceou...
Patent number
10,030,204
Issue date
Jul 24, 2018
U.S. Department of Energy
Ranjani V. Siriwardane
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Tri-metallic ferrite oxygen carriers for chemical looping combustion
Patent number
9,797,594
Issue date
Oct 24, 2017
U.S. Department of Energy
Ranjani V. Siriwardane
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Metal ferrite oxygen carriers for chemical looping combustion of so...
Patent number
9,557,053
Issue date
Jan 31, 2017
U.S. Department of Energy
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Regenerable mixed copper-iron-inert support oxygen carriers for sol...
Patent number
9,523,499
Issue date
Dec 20, 2016
U.S. Department of Energy
Ranjani V. Siriwardane
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Preparation of sorbent pellets with high integrity for sorption of...
Patent number
9,333,485
Issue date
May 10, 2016
U.S. Department of Energy
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
CO2 removal sorbent composition with high chemical stability during...
Patent number
9,138,683
Issue date
Sep 22, 2015
U.S. Department of Energy
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparation of a CO2 removal sorbent with high chemical s...
Patent number
9,079,160
Issue date
Jul 14, 2015
U.S. Department of Energy
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for solid fuel chemical looping combustion
Patent number
9,004,911
Issue date
Apr 14, 2015
U.S. Department of Energy
Ranjani V. Siriwardane
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of CO2 removal from a gasesous stream at reduced temperature
Patent number
8,888,895
Issue date
Nov 18, 2014
U.S. Department of Energy
James C. Fisher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Regenerable MgO promoted metal oxide oxygen carriers for chemical l...
Patent number
8,807,988
Issue date
Aug 19, 2014
U.S. Department of Energy
Ranjani V. Siriwardane
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Minimization of steam requirements and enhancement of water-gas shi...
Patent number
8,617,499
Issue date
Dec 31, 2013
U.S. Department of Energy
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for CO2 capture using a regenerable magnesium hydroxide sor...
Patent number
8,470,276
Issue date
Jun 25, 2013
U.S. Department of Energy
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for CO2 capture using zeolites from high pressure and moder...
Patent number
8,128,735
Issue date
Mar 6, 2012
The United States of America as represented by the United States Department o...
Ranjani V. Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Regenerable hydrogen chloride removal sorbent and regenerable multi...
Patent number
7,767,000
Issue date
Aug 3, 2010
The United States of America as represented by the United States Department o...
Ranjani Siriwardane
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Regenerable sorbents for CO2 capture from moderate and high tempera...
Patent number
7,314,847
Issue date
Jan 1, 2008
The United States of America as represented by the United States Department o...
Ranjani V. Siriwardane
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Low temperature sorbents for removal of sulfur compounds from fluid...
Patent number
6,743,405
Issue date
Jun 1, 2004
The United States of America as represented by the United States Department o...
Ranjani Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Durable regenerable sorbent pellets for removal of hydrogen sulfide...
Patent number
5,866,503
Issue date
Feb 2, 1999
The United States of America as represented by the United States Department o...
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Durable regenerable sorbent pellets for removal of hydrogen sulfide...
Patent number
5,703,003
Issue date
Dec 30, 1997
United States Department of Energy
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Durable zinc oxide-containing sorbents for coal gas desulfurization
Patent number
5,494,880
Issue date
Feb 27, 1996
The United States of America as represented by the United States Department o...
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalysts for conversion of methane to higher hydrocarbons
Patent number
5,177,294
Issue date
Jan 5, 1993
The United States of America as represented by the United States Department o...
Ranjani V. Siriwardane
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
CATALYSTS FOR CONVERSION OF CO2 OR STEAM TO CO OR SYNTHESIS GAS USI...
Publication number
20220315423
Publication date
Oct 6, 2022
UNITED STATES DEPARTMENT OF ENERGY
Ranjani Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION OF HYDROGEN WITH TRANSPORT FROM CHEMICAL LOO...
Publication number
20220219976
Publication date
Jul 14, 2022
UNITED STATES DEPARTMENT OF ENERGY
Ranjani Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METAL FERRITE OXYGEN CARRIERS FOR CONVERSION OF CO2 TO CO AND FUEL...
Publication number
20200078773
Publication date
Mar 12, 2020
UNITED STATES DEPARTMENT OF ENERGY
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCTION OF SYNTHESIS GAS FROM NATURAL GAS WITH COPPER-IRON -MANG...
Publication number
20190119109
Publication date
Apr 25, 2019
UNITED STATES DEPARTMENT OF ENERGY
Ranjani Siriwardane
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARATION OF A CO2 REMOVAL SORBENT WITH HIGH CHEMICAL S...
Publication number
20140312271
Publication date
Oct 23, 2014
Ranjani V. Siriwardane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Regenerable MgO Promoted Metal Oxide Oxygen Carriers for Chemical L...
Publication number
20130316292
Publication date
Nov 28, 2013
Ranjani V. Siriwardane
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
LOW TEMPERATURE SORBENTS FOR REMOVAL OF SULFUR COMPOUNDS FROM FLUID...
Publication number
20020052291
Publication date
May 2, 2002
RANJANI SIRIWARDANE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL