PREPARATION OF CHITOSAN-BASED MICROPOROUS COMPOSITE MATERIAL AND ITS APPLICATIONS Application WO-2019190791-A1 World Intellectual Property Organisation (WIPO) 03 Oct 2019
PREPARATION OF CHITOSAN-BASED MICROPOROUS COMPOSITE MATERIAL AND ITS APPLICATIONS Application WO-2012125994-A2 World Intellectual Property Organisation (WIPO) 20 Sep 2012