v  International

1. Sandeep Pandey, Manoj Karakoti, Sunil Dhali, C. Tewari, and Nanda Gopal Sahoo; “Process of preparation of naturally doped Silicon, Magnesium and Calcium Graphene nanosheets from Paper Waste for Energy Applications”, Australian Innovation Patent Grant no. 2021100550, April 2021.

2. N G Sahoo, Gaurav Tatrari, Sandeep Pandey, Chetna Tewari, Manoj Karakoti, Bhaskar Singh Bohra, Sunil Dhali, Polymeric waste derived nanographitic additives for concrete mixture and method of manufacturing thereof, Australian Innovation Patent Grant no. 2021100549, April 2021.

3. Sandeep Pandey, Manoj Karakoti, Sunil Dhali, Neha Karki, Nanda Gopal Sahoo “Cotton Based Scalable Green Synthesis of Graphene Nanofibers”, Australian Innovation Patent Grant no. 2021100552, April 2021.

4. N.G. Sahoo, C. Tewari, G. Tatrari, S. Pandey,  H. Tewari, A. Damdapat , Graphene based nanomaterials derived from Drepanostachyumfalcatum for water Purification, Australian patent Application No. 2021104582, Grant No. 202111031289, 2021.

5. N.G. Sahoo, M. Pathak, R.C. Bhat, D. Bhat, Y.C. Jung, C. Tewari, Y.N. Kim, System and method for preparing supercapacitors utilizing three-dimensional hierarchical porous nitrogen-doped reduced graphene-oxide, U. S. Patent Application No. 18-920393(F07122), Filed: 2024-10-18, Published: 2025-04-24.

6. N.G. Sahoo, M. Pathak, R.C. Bhat, D. Bhat, Y.C. Jung, C. Tewari, Y.N. Kim, System and method for preparing supercapacitors utilizing three-dimensional hierarchical porous nitrogen-doped reduced graphene-oxide, Republic of Korea Patent Application No. 10-2024-0074739, 10/06/2024.

7. Y.C. Jung, C, Tewari, Y. Kim, K.S. Rawat, N.G. Sahoo, Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin, U. S. Patent Application No 19/385,510, Filed: November 11, 2025.

8. Y.C. Jung, C, Tewari, Y. Kim, K.S. Rawat, N.G. Sahoo, Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin, Korean Patent Application No K12931, 2025.

v  Indian

1. N.G. Sahoo, Sandeep, M. Karakoti, V.D. Punetha, “A process of Manufacturing Graphene”, Indian Patent Grant No. 352780, Dec 2020.

2. S. Basak, N.G. Sahoo, R. Das, Neha. “Natural Degradation Products of Promethazine Compound”, Indian Patent Grant No. 352905, Dec 2020.

3. Sandeep Pandey, Manoj Karakoti, Sunil Dhali, C. Tewari, and Nanda Gopal Sahoo; “Process of preparation of naturally doped Silicon, Magnesium and Calcium Graphene nanosheets from Paper Waste for Energy Applications” Indian Patent Application No.: 202011017973, 2020; Patent Grand no. 419214, 2023.

4. N G Sahoo, Gaurav Tatrari, Chetna Tewari, Sandeep Pandey, Himani Tiwari, Manoj Karakoti, A B Melkani, “A process of manufacturing highly porous 3D graphene nano-flakes (HP3DGNFs) doped with alkali and transition metals”, Indian Patent Application No- 202011019296, 2020; Grant no. 402397, 2022.

5. Manoj Karakoti, Sandeep Pandey, Sunil Dhali, Chetna Tewari, Anurag Srivastava, Reena Srivastava, NG Sahoo, “Highly Efficient Graphene-Soap Based Spray Paints for the Efficient Killing Of Corona viruses and preparation process thereof”, Indian Patent Application No. 202011018342, 2020; Grant no. 400474, 2022.

6. N.G. Sahoo, C. Tewari, S. Pande, M. Karakoti, S. Dhali, H. Tewari, G. Tatrari, A.B. Melkani, “Hydro-Solvo-Thermal Graphene Oxide Synthesis Method”, Indian Patent Application No. 202011011434, 2020; Grant no. 429734, 2023; PCT application No. PCT/IB2021/052158.

7. N G Sahoo, Gaurav Tatrari, Sandeep Pandey, Chetna Tewari, Manoj Karakoti, Bhaskar Singh Bohra, Sunil Dhali, Polymeric waste derived nanographitic additives for concrete mixture and method of manufacturing thereof, Indian Patent Application No. 202011030192, 2020; Patent Grant no. 519192, 2024.

8. Sandeep Pandey, Manoj Karakoti, Sunil Dhali, Neha Karki, Nanda Gopal Sahoo “Cotton Based Scalable Green Synthesis of Graphene Nanofibers”, Indian Patent Application No-202011017974, 2020.

9. N.G. Sahoo, S. Pandey, M. Karakoti, S. Dhali, C. Tewari, G. Tatrari, “Polyamidoamine (PAMAM) dendrimer/Zno-PEG nanoparticles (NPs)-grafted reduced graphene oxide based face mask and fabrication process thereof”, Indian Patent Application No. 202011017344, 2020.

10. N.G. Sahoo, C. Tewari, G. Tatrari, S. Pandey,  H. Tewari, A. Damdapat , Graphene based nanomaterials derived from Drepanostachyumfalcatum for water Purification, Indian Patent Application No. 20211103128.

11.Anirban Dandapat, Deepika Pancholi, Narendra Singh Bisht, Veena Pande, Sandeep Pandey, NandaGopal Sahoo, “A Process To Synthesize Crystalline BiOBr/BiOI Solid Solution Nanostructures”,Patent Application No. 202011040517, Date:18/09/2020, Grant no. 546523, 30/07/2024.

12. N.G. Sahoo, G. Tatrari, C. Tewari, M. Pathak, B.S. Bohra, M. Matiyani, D. Bhat, T. Arya,“Process for manufacturing 3d-graphene flower skeletonsfrom coconut-husk-fibers for fabricating supercapacitorsand its composition thereof”, Patent Application No. 202311051097, 28/07/2023.

13. N.G. Sahoo, M. Pathak, B.S. Bohra, G. Tatrari, A. Rana, C. Tewari, D. Bhat, T. Arya, D. Melkani, “Kinnow peel waste derived graphene nanosheets for highperformance supercapacitor”, Patent Application No. 202311051096, 28/07/2023.

14. N.G. Sahoo, M. Pathak, R.C. Bhat, D. Bhat, Y.C. Jung, C. Tewari, Y.N. Kim, System and method for preparing supercapacitors utilizing three-dimensional hierarchical porous nitrogen-doped reduced graphene-oxide, Indian Patent Application No.202311070819, 18/10/2023.

15. N.G. Sahoo, S. Mahendia, M. Karakoti, R. Jangra, P. MahendiaBhoria, M. Matiyani, “Controlled acid treatment activated carbon and optimization of graphene ratio in modified/unmodified activated carbon-graphene composites for supercapacitor application”. Indian Patent Application No.202411057818, 30/07/2024.

16. K.S. Rawat, N.G. Sahoo, Y.C. Jung, C. Tewari, Y.N. Kim, “Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin”, Indian Patent Application No.202511013621, 18/02/2025.

17. S. Basak, S. Konar, S. Purkait, N.G. Sahoo, S. C. Sati, Methods for microbial degradation of polyethylene terephthalate (PET) and high-density polyethylene (HDPE), Indian Patent Application No. 202411034375, 15.05/2025.