Intellectual Property India Publishes Patent Application for 'A Preservative-Free Eye Drop Formula With Extended Shelf Stability' Filed by Graphic Era; and Graphic Era Hill University

MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511127305 A) filed by Graphic Era; and Graphic Era Hill University, Dehradun, Uttarakhand, on Dec. 16, 2025, for 'a preservative-free eye drop formula with extended shelf stability.'

Inventor(s) include Navin Kumar; and Prachi Mall.

The application for the patent was published on Jan. 23, under issue no. 04/2026.

According to the abstract released by the Intellectual Property India: "A preservative-free eye drop formulation is disclosed using an integrated stabilization architecture including a biopolymer stabilizer module (101), osmolarity balancing unit (102), oxygen-limiting interface (103), molecular shielding complex (104), homogenization unit (105), and dispensing micro-valve system (106). These components function synergistically to reduce oxidation, maintain rheological stability, and prevent contamination, enabling extended shelf stability without conventional preservatives. The invention ensures prolonged clarity, viscosity control, and multidose reliability under varied storage conditions."

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