8. “Novel 1,3,5-Triazinyldiaryl-urea Derivatives as Anticancer Agents” Sankar K. Guchhait, Nibedita Roy. Indian Patent, “under application process”
7. “Efficient and Cost Effective Method of Preparation of Risdiplam” Sankar K. Guchhait, Abhrajyoti Ghosh. Indian Patent, “under application process”
6. “Novel 7-Azaindolesulfonyl-aryl-urea Derivatives as Anticancer Agents” Sankar K. Guchhait, Vaishnavi Newaskar. Indian Patent, Application no. 202411101218
5. “Environmentally benign three-step aqueous synthesis process for Vemurafenib” Sankar K. Guchhait, Vaishnavi Newaskar. Indian Patent, Application no. 202411101218
4. “Developing DNA polymerase beta inhibiors for cancer therapy” Sankar K. Guchhait, Vajja Krishna Rao, Satya Narayan. US Patent, Date of Filing: 21.02.2024, Application no. 63/556,039.
3. “A novel and efficient stereoselective process for drug relevant spiroindolylcyanocyclopropylaryls” Sankar K. Guchhait, Mithilesh Nagpure. Indian Patent, Application no. 202411013931.
2. “Novel quinoline-2-aminoalkylcarboxamide compounds as antileishmanial agents” Sankar K. Guchhait, Sushma Singh, Shyam S. Sharma, Prati P. Singh, Neha Hura, and Archana P. Shah, P. K. Kaur, N. Dinesh, and G. Yadagiri. Indian Patent, Application no. 201811010817.
1. “Novel indolylquinoline-phenylamidine compounds as antileishmanial agents and the process of preparation thereof.” Sankar K. Guchhait, Sushma Singh, S. Kumar, V. Chaudhary, G. Priyadarshani, P. K. Kaur, N. Dinesh. Patent No.: 328788, Date of Grant: 01.01.2020, Application no. 2187/DEL/2014.