MUMBAI, India, March 15 -- Intellectual Property India has published a patent application (202418094825 A) filed by Gray Portal Llc, Flushing, U.S.A., on Dec. 2, 2024, for 'gel and gel beads containing polyvinyl alcohol, polyurethane and immobilized substances.'
Inventor(s) include Hwang, Sz-Chwun; Ho, Hsin-Yi; and Huang, Shih-Wei.
The application for the patent was published on March 14, under issue no. 11/2025.
According to the abstract released by the Intellectual Property India: "Gel and gel beads containing polyvinyl alcohol, polyurethane and immobilized substances are provided. Specifically, polyvinyl alcohol (PVA) gel and polyurethane (PU)/PVA gel and gel beads, methods for making gel and gel beads with immobilized substances such...