M.  Dwivedi, Rao, L. Hari Sarvo, Reddy, K. Mohan Srin, Dhanasekharan, J., Rao, B. Madhusudan, Kumar, S. Rajesh, Ponrathnam, S., Chelanattukizhakkemadath, R. Rajan, Tayal, R., and Qureshi, M., ?Amino-phenol-formaldehyde resins by in-situ generation of catalyst?, U.S. Patent 2536/DEL2010.

M.  Dwivedi, Rao, L. Hari Sarvo, Reddy, K. Mohan Srin, Dhanasekharan, J., Rao, B. Madhusudan, Kumar, S. Rajesh, Ponrathnam, S., Chelanattukizhakkemadath, R. Rajan, Tayal, R., and Qureshi, M., ?Beaded cross linked polymers containing tert-amino functional group moities?, U.S. Patent 2537/DEL2010.

M.  Dwivedi, Rao, L. Hari Sarvo, Reddy, K. Mohan Srin, Dhanasekharan, J., Rao, B. Madhusudan, Kumar, S. Rajesh, Ponrathnam, S., Chelanattukizhakkemadath, R. Rajan, Tayal, R., and Qureshi, M., ?Process for synthesis of beaded cross linked polymers, water-in-oil-in-water emulsions and post functionalisation?, U.S. Patent 2538/DEL2010.