JNARDDC

Jawaharlal Nehru Aluminium Research Development & Design Centre

Autonomus Body Under Ministry of Mines, Government of India
Ministry of Mines India Amrut Mahotsav Recycling
Latest Announcement
1)  JNARDDC under Ministry of Mines proudly organizes E-Waste Campaign ,Your small step in recycling E-Waste can create a big impact Join JNARDDC’s Mission from 02 October to 31 October.  |  

Patents

Patents : Filed = 28 out of which Granted = 21
Copyrights : Granted = 2
List of HINDALCO
List of NALCO

Patents Granted

1. Title of Patent :

1. An improved heat treatment process for production of heat resistant Al-Zr alloy wire for overhead conductor

  • Application Number : Granted vide no. 533417 [2024-25]

  • Date of grant : 17/04/2024

  • Inventors : R N Chouhan, P Mahendiran, VNSU Viswanath Ammu, Suman Mukherjee Kalyani Humne, Anupam Agnihotri, (JNARDDC) & D Lokeswara Rao (NFTDC)

2. Title of Patent :

2. A process for conversion of saprolite into refractory aggregate

  • Application Number : Granted vide no. 507474 [2023-24]

  • Date of grant : 06/02/2024

  • Inventors : P G Bhukte, S P Puttewar, M T Nimje, M J Chaddha, M Najar, U Singh and A Agnihotri

3. Title of Patent :

3. A process for removal of iron oxide, Silica and enrichment of alumina in ferruginous, siliceous and aluminous Laterite by physical separation process
  • Application Number : Granted vide no. 483133 [2023-24]
  • Date of grant : 15/12/2023
  • Inventors : Pravin  Bhukte, S P Puttewar, Anupam Agnihotri

4. Title of Patent :

4. Process for revitalization of high alumina castables from aluminium dross
  • Application Number: Granted vide no. 471016 [2023-24]
  • Date of grant: 21/11/2023
  • Inventors: Dr Upendra Singh, M T Nimje, Shoeb Ansari, Anupam Agnihotri, (JNARDDC) & A S P Mishra (VEDANTA)

5. Title of Patent :

5. A process for preparation of aluminium hydroxide with low soda content
  • Application Number: Granted vide no. 455707 [2023-24]
  • Date of grant: 29/09/2023
  • Inventors: Dr Suchita Rai, M. T. Nimje, A Agnihotri

6. Title of Patent :

6. A process for delamination of a multi-layered packaging material and selective recovery of aluminium metal values

7. Title of Patent :

7. Partially Lateritised Khondalite based ceramic proppant and its preparation
  • Application Number: Granted vide no. 427235 [2022-23]
  • Date of grant: 28/03/2023
  • Inventors:  Pravin Bhukte, Suresh Puttewar, Mukesh Chaddha, Anupam Agnihotri, Gopal Daware (JNARDDC), Bhimsen Pradhan, Bandopadhyay P (NALCO) 

8. Title of Patent :

8. A Process For Selective Enrichment And Separation Of Alumina And Silica
  • Application Number: Granted vide no. 427093 [2022-23]
  • Date of grant: 27/03/2023
  • Inventors: Mohamed Najar, Amrita Karan, Paresh Nageshwar, Mukesh Chaddha, Anupam Agnihotri

9. Title of Patent :

9. A Process for selective reduction of Al2O3, SiO2, Na2O and CaO in reed mud for enrichment of Fe2O3
  • Application Number: Granted vide no. 421167 [2022-23]
  • Date of grant: 10/02/2023
  • Inventors: Mohamed Najar, Shoeb Ansari, Shama Wadsariya, Kiran Janbandhu, Rajashekhar Rao, S P Puttewar and Anupam Agnihotri

10. Title of Patent :

10. A Light Weight Foamed Geopolymer (LWFGEOP) and its preparation
  • Application Number: Granted vide no. 409005 [2022-23]
  • Date of grant: 12/10/2022
  • Inventors: Mohamed Najar, Mukesh Chaddha, Pravin  Bhukte, Numanuddin Azad, Shama Wadsariya, Suresh Puttewar, Anupam Agnihotri (Jnarddc) And Saket Jain ( Swarnalatha Holdings)

11. Title of Patent :

11. A process for selective leaching of iron from alumina hydrate
  • Application Number: Granted vide no. 407793 [2022-23]
  • Date of grant: 28/09/2022
  • Inventors: Mohamed Najar, M T Nimje, S P Puttewar, Anupam Agnihotri (JNARDDC) & Subrat Kar, V Krishna Kumari P  K  Behera, (NALCO)

12. Title of Patent :

12. A process for conversion of Hazardous 1st Cut SPL Waste of Aluminium Industries into Non Hazardous Material by Converting Inorganic Toxic Cyanide to Non Toxic Species by Selective Heat Treatment and Recovery of Sodium, Fluoride and Carbon Value
  • Application Number: Granted vide no. 407276 [2022-23]
  • Date of grant: 21/09/2022
  • Inventors: M T Nimje Mohamed Najar Anupam Agnihotri (JNARDDC) & A S P Mishra (VEDANTA)

13. Title of Patent :

13. Process for preparation of low ferric alum from waste or low grade aluminium dross
  • Application Number: Granted vide no. 406384 [2022-23]
  • Date of grant: 12/09/2022
  • Inventors: Upendra Singh, J Mukhopadhyay (JNARDDC) & Binuta Patra and P Bandopadhyay (NALCO)

14. Title of Patent :

14. A process for preparing smelter grade alumina
  • Application Number: Granted vide no. 404896 [2022-23]
  • Date of grant: 29/08/2022
  • Inventors: Suchita B Rai, M J Chaddha, M T Nimje, R J Sharma, K J Kulkarni &  K R Rao (JNARDDC)

15. Title of Patent :

15. A process for rapid analysis of reactive silica in bauxite and laterite based on selective autogenous dissolution at ambient temperature
  • Application Number: Granted vide no. 391928 [2021-22]
  • Date of grant: 14/03/2022
  • Inventors: Dr Mohamed Najar, Shama Wadsariya, Amrita Karn, Prajakta Ogale, S P Puttewar and Anupam Agnihotri (JNARDDC)

16. Title of Patent :

16. Determination of calcium in alumina hydrate, calcined alumina and process liquor
  • Application Number: Granted vide no. 378743 [2021-22]
  • Date of grant: 06/10/2021
  • Inventors:  Dr Mohamed Najar, Mr M T Nimje, Dr S P Puttewar, Dr Anupam Agnihotri (JNARDDC) & Mr Subrat Kar, Mr V Krishna Kumari and Mr P K Behera (NALCO)

17. Title of Patent :

17. Development of process for selective in-situ dissolution of alumina & silica bearing mineral phases in bauxite at room temperature for geo–analytical application
  • Application Number: Granted vide no. 340231 [2020-21]
  • Date of grant: 02/07/2020
  • Inventors:  P A Mohamed Najar, P G Bhukte, U Singh, M T Nimje, SP Puttewar, A Agnihotri (JNARDDC)

18. Title of Patent :

18. Liquidus /Superheat Temperature Measurement System for Molten Cryolite Bath
  • Application Number: Granted vide no. 334205 [2019-20]
  • Date of grant: 09/03/2020
  • Inventors: R J Sharma, V K Jha (JNARDDC) Binuta Patra, (NALCO) P Bandopadhyay (NALCO)

19. Title of Patent :

19. A process for preparing of glass ceramic tiles
  • Application Number: Granted vide no. 326108 [2019-20]
  • Date of grant: 28/11/2019
  • Inventors:  M T Nimje, Mohamed Najar, J Mukhopadhyay, (JNARDDC) and B K Satpathy (NALCO)

20. Title of Patent :

20. Controlled heat treatment process for destruction of leachable toxic cyanide in first cut aluminium spent pot lining materials
  • Application Number: Granted vide no. 301579 [2018-19]
  • Date of grant: 27/09/2018
  • Inventors: MT Nimje, Mohamed Najar (JNARDDC) & Binuta Patra (NALCO)

21. Title of Patent :

21. Process for preparation of light weight Foamed bricks (LWFBs) utilizing red mud and fly ash admixture
  • Application Number: Granted vide no. 292333  [2017-18]
  • Date of grant: 30/01/2018
  • Inventors:  Mohamed Najar, MT  Nimje,  J Mukhopadhyay, (JNARDDC) and BK. Satpathy (NALCO)

Copyrights granted

1. Software for real-time determination of liquidus, operating and superheat temperature of molten cryolite bath

  • Application Number : SW-9651/2017 [2017-18]
  • Date of grant : 13/11/2017
  • Inventors : Mr V K Jha & Mr R J Sharma

2. Software for cost optimization of recycling of different types of aluminum scraps for production of alloy of desired composition” has been granted

  • Application Number : SW-9651/2017 [2017-18]
  • Date of grant : 13/11/2017
  • Inventors : Mr V K Jha & Mr R J Sharma

Patents published and under process to be granted

1. Title of Patent :

Synthesis of spray dried nano 8YSZ plasma sprayable powder and plasma sprayed thermal barrier coating
  • Application Number : 202241011004 [2021-22]
  • Date of grant : 11/03/2022
  • Inventors : Dr S. Gowtham Sanjai & Parvati Ramaswamy, (Christ University); Dr Priyanka Nayar, Dr Upendra Singh & Dr Anupam Agnihotri (JNARDDC)

2. Title of Patent :

A method to obtain upto 150µ thick nano-structure A-Al2O3 coatings by plasma spraying
  • Application Number : 202241005098 [2021-22]
  • Date of grant : 31/01/2022
  • Inventors : Dr S. Gowtham Sanjai & Parvati Ramaswamy, (Christ University); Dr Priyanka Nayar, Dr Upendra Singh & Dr Anupam Agnihotri (JNARDDC)

3. Title of Patent :

Method and Apparatus for Onsite Measurement of Bath Ratio, Alumina Concentration, Liquidus Temperature and Operating Temperature of Aluminium Electrolysis Bath
  • Application Number : 201721040908 [2017-18]
  • Date of grant : 16/11/2017
  • Inventors : Mr V K Jha, Mr Rajendra J Sharma, Dr Upendra Singh, Dr Anupam Agnihotri, Ms Shweta Dhamande, Mr Manish Kar
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