MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641025944 A) filed by Rajalakshmi Engineering College, Chennai, Tamil Nadu, on March 5, for 'biodegradable sanitary napkin with zoned herbal ring.'
Inventor(s) include Dr. M. Thangamani; and Mrs. S. Monisha.
The application for the patent was published on May 1, under issue no. 18/2026.
According to the abstract released by the Intellectual Property India: "A biodegradable sanitary napkin with a zoned herbal-coated top sheet is disclosed. The napkin comprises a plant-derived hydrophilic top sheet, a cellulose-rich absorbent fibre core, a bio-based superabsorbent insert, and a biodegradable liquid-impermeable back sheet. An annular herbal zone is de...