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Centre for Nanomaterials (CNM)

Indian Patents Granted

S.No
Title of Patent
Inventors
Patent Application Number
Date of filing
Patent Number
Date of Grant
1
Methods of preparation of high Performance ZnO varistors and improved compositions
Kaliyan Hembram, Tata N. Rao, Raman S. Srinivasa, Ajit R. Kulkarni,
2765/DEL/2015
03/09/2015
339072
22/06/2020
2
A Novel Electrochemical Method for Manufacturing CIGS Thin Film Containing Nanomesh Like Structure
B V Sarada, S Mandati, S V Joshi,
426/DEL/2015
16/02/2015
337455
28/05/2020
3
A METHOD AND AN APPARATUS FOR PREPARING NICKEL TUNGSTEN BASED NANOCOMPOSITE COATING DEPOSITION
Nitin Wasekar, D.S. Rao, G. Sundararajan,
201611001190
13/01/2016
337108
20/05/2020
4
Method of Producing Multifunctional Self Assembled Mixed Phase Titania Spheres
Neha Y Hebalkar, T N Rao,
3777/DEL/2014
19/12/2014
335724
22/04/2020
5
An Improved Process for Preparation of Nanosilver Coated Ceramic Candle Filter
J. Revathi
K. Murugan
Tata Narasinga Rao
1249/DEL/2011
28/04/2011
327532
17/12/2019
6
A Method for Synthesis of Tungsten Disulphide Nanosheets
Joydip Joardar
M.L.Sylvester Sahayaraj
1703/DEL/2012
04/08/2012
320209
11/09/2019
7
A Process for Preparing Nanocrystalline Olivine Structure Transition Metal Phosphate Material
Dinesh Rangappa
R. Gopalan
Tata Narasinga Rao
405/DEL/2012
14/02/2012
310620
31/03/2019
8
An Improved Process for Producing Silica Aerogel Thermal Insulation Product with Increased Efficiency
Neha Y Hebalkar
2141/DEL/2015
15/07/ 2015
305898
18/01/2019
9
An Improved Method of Preparing Porous Silicon Compacts
Dibyendu Chakravarty, B.V.Sarada, Tata N. Rao
912/DEL/2011
31/03/2011
304349
12/12/2018
10
An Improved Method for Producing ZnO Nanorods
Kaliyan Hembram
D. Sivaprahasam
Tata Narasinga Rao
2759/DEL/2010
19/11/2010
293775
05/03/2018
11
Improved Process for the Preparation of Bi-Functional Silica Particles useful for Antibacterial and Self Cleaning Surfaces
Neha Hebalkar
Tata Narasinga Rao
3071/DEL/2010
22/12/2010
291408
04/01/2018
12
Improved Method for Producing Carbon Containing Silica Aerogel Granules
Neha Hebalkar
2406/DEL/2010
08/10/2010
290370
07/12/2017
13
Improved Process for the Preparation of Stable Suspension of Nano Silver Particles having Antibacterial Activity
J. Revathi
Neha Hebalkar
T. Narasinga Rao
1835/DEL/2010
04/08/2010
289543
14/11/2017
14
A Process for the Preparation of Nanosilver and Nanosilver-Coated Ceramic Powders
K. Murugan
T. Narasinga Rao
2786/DEL/2005
19/10/2005
284812
30/06/2017
15
Improved Method of Producing Highly Stable Aqueous Nano Titania Suspension
Neha Hebalkar
T. Narasinga Rao
730/DEL/2009
09/04/2009
282988
28/04/2017
16
An Improved Process for the Preparation of Doped Zinc Oxide Nanopowder useful for the Preparation of Varistors
K. Hembram, T. N. Rao and R. Sundaresan
1669/DEL/2006
20/07/2006
254913
03/01/2013
17
Titanium Based Biocomposite Material useful for Orthopaedic and other Implants and a Process for its Preparation
Malobika Karanjai
R. Sundaresan
Raja Rama Mohan
B. P. Kashyap
2490/DEL/2005
14/09/2005
228353
03/02/2009
18
A Method and a Device for Applying a Protective Carbon Coating on Metallic Surfaces
B.I. Bondarenko, Y. Pokatilov, A. Sviatenko, D. Fedorov, Malobika. K and A. Sivakumar
719/MAS/1999
8/7/1999
211922
13/11/2007
19
Process for carbothermic reduction of iron oxide in an immiscible flow with constant descent in vertical retort of silicon carbide
J. Pandurangam, Malobika. K
546/CHE/2003
01/07/2003
205728
09/04/2007
20
A Process for the Preparation of Short Ceramic Fibres
M.P.Rajshekharan
Anil Kumar
A.Shiva Kumar
537/MAS/1994
20/05/1994
186751
07/06/2002
21
A Solar Cooker
T.P. Rajashekaran
K.V. Phani Prabhakar
Leonard L. Vasiliev
M. Donatas
Victor L. Vasiliev
498/MAS/1994
13/06/1994
184675
25/05/2001
22
A Solar Drier
A.Shiva Kumar
K.V. Phani Prabhakar
Leonard L. Vasiliev
M. Donatas
487/MAS/1994
08/06/1994
184674
23/09/2000
 

Indian Patents Filed

S.No
Title of Patent
Inventors
Patent Application Number
Date of filing
1
Method of producing in-situ carbon coated lithium iron phosphate cathode material for Li-ion Batteries and the product thereof
S. Anandan, R. Vijay, Tata N. Rao
202011056608
28/12/2020
2
Oxide Dispersion Strengthened Iron Aluminides with High Strength and Ductility and Method of Preparation of the Same
P. Vijaya Durga, S. S. Sharma, K. Satya Prasad, A. V. Reddy, R.Vijay
202011044124
09/10/2020
3
Method of Producing Porous Particles-Fibers Carbon Composite Material for Supercapacitor Applications and the Product Thereof
Mani Karthik, R. Vijay, T.N. Rao,
202011027265
26/06/2020
4
Method of Producing Nanoporous Graphene Sheetlike Structured High and Low Surface Area Carbon Sheets from Petroleum Coke
K. Nannji, Pavan Srinivas V, Srinivasan Anandan, Tata N Rao, Narayanan Krishnamurthy, Ramachandra Rao Bojja, Malay Pramanik,
20201100739
20/02/2020
5
Process for producing the nano Boron by cryo-milling
S.Sudhakara Sarma
R. Vijay
T.N.Rao
201911025690
27/06/2019
6
Method of fabricating tungsten based composite sheets by spark plasma sintering technique for making components.
Dibyendu Chakravarty
P.V.V.Srinivas
R.Vijay
201911014933
13/04/2019
7
Process of Electroless Nickel/Nickel Phosphide (EN) Deposition on Graphite Substrates
Malobika Karanjai
A Siva Kumar
P.H. Borse
201811041418
01/11/2018
8
Method of Producing Graphene like Structured Nanoporous Carbon Material from Jute Stick Based Bio-Waste for Energy Storage Applications and the Product thereof
S. Anandan, K. Nanaji, Tata N Rao
E-2/276//2018/DEL
16/02/2018
9
A Novel Equipment To Accomplish Power Metallurgy Processing Starting From The ‘Raw Materials’ To Finished Product
Karanjai Malobika, A Siva Kumar, G Babu
201711011552
30/03/2017
10
A Method of Producing High Performance Lithium Titanate Anode Material for Lithium Ion Battery Applications
S. Anandan, P.M. Prateeksha, R. Vijay, Tata N Rao
201711006147
21/02/2017
11
An Improved Process of Carbon - Metal Oxide Composites Prepared by Nano Casting of Wood and the Product Thereof
J. Revathi, Atul Suresh Deshpande, Tata Narasinga Rao,
201611034531
07/10/2016
12
An Improved Process for the Preparation of Stable Nano Silver Suspension having Antimicrobial Activity
Janardhanan Revathi, N satya Moulika, A Venkata Sai, Atul Suresh Deshpande, K Murugan, Neha Hebalkar, R Vijay, Tata Narasinga Rao, Sundararajan
201611027145
09/08/2016
13
Method of Deposition of double perovskite of Sr Fe Nb-O film on substrate by spray coating technique & the coated substrate thereof
Pramod H. Borse and Rekha Dom
1151/DEL/2014
29/04/2014
14
A Process and a Multi-Piston Hot Press for Producing Powder Metallurgy Component, such as Cerametallic Friction Composite
Malobika Karanjai
A.Siva Kumar
3844/DEL/2011
28/12/2011
15
Novel Ceramic Materials Having Improved Mechanical Properties and Process for their Preparation
Dibyendu Chakravarty
Tata Narasinga Rao
R. Sundaresan
3396/DEL/2005
19/12/2005