MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611113437 A) filed by Graphic Era Deemed To Be University on September 22, 2026, for A Sticker System And Method For Colorimetric Food Freshness Indication Using Anthocyanin Sensor Technology.
Inventors include Suyash Shekhar; and Dr. Royal Madan.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The invention relates to food packaging indicators and particularly to a layered sticker system having an adhesive backing, a support layer, an indicator paper, and a transparent gas-permeable protective layer, wherein the indicator paper comprises filter paper or absorbent paper impregnated with an anth...