US Patent Issued to Sree Chitra Tirunal Institute for Medical Sciences and Technology on May 6 for "Lint free crosslinked chitosan-PVA sponge as an absorbent wound dressing and method of preparation thereof" (Indian Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,425, issued on May 6, was assigned to Sree Chitra Tirunal Institute for Medical Sciences and Technology (Thirunananthapuram, India).

"Lint free crosslinked chitosan-PVA sponge as an absorbent wound dressing and method of preparation thereof" was invented by Lynda Velutheril Thomas (Thiruvananthapuram, India), Prabha Damodaran Nair (Thiruvananthapuram, India), Nimi Nirmala (Thiruvananthapuram, India) and Shanti Krishna Ayilliath (Thiruvananthapuram, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a lint free absorbent wound dressing, comprising a plasticized blend of a natural biopolymer and poly vinyl alcohol mixed in ...