Montmorillonite in next-generation drug delivery: patent trends, safety insights, and industrial advancements. - Asif, Afzal Haq; Asha, B. R.; Prasanthi, Samathoti; Goudanavar, Prakash; Prashantha, Kalappa; Srikruthi, K. S.; Naveen, N. Raghavendra; Meravanige, Girish; Shiroorka, Predeepkumar Narayanappa; Swaroop, Krishna; Sreenivasalu, Pavan Kumar Pavagada; Sreeharsha, Nagaraja (Journal of Materials Science: Materials in Medicine, 2026)