MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202511113218 A) filed by Ims Engineering College, Ghaziabad, Uttar Pradesh, on Nov. 18, 2025, for 'biodegradable sanitary napkin comprising polyhydroxybutyrate (phb) and cellulose extracted from microbial and agricultural sources for sustainable menstrual waste management.'
Inventor(s) include Rabab Anjum; Faiza Nasir; Ananya Bhaskar; Ekta; and Tanisha Sharma.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "A biodegradable sanitary napkin comprising a multi-layered structure including a PHB-coated top layer, an absorbent cellulose core layer, and ...