US 11,957,797 B1
Chitosan film with ternary metal oxides
Mohamed Gouda, Al-Ahsa (SA); Mai Mostafa Khalaf Ali, Al-Ahsa (SA); and Hany Mohamed Abd El-Lateef Ahmed, Al-Ahsa (SA)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on Dec. 7, 2023, as Appl. No. 18/533,079.
Application 18/533,079 is a division of application No. 18/224,327, filed on Jul. 20, 2023, granted, now 11,883,542.
Int. Cl. A61L 15/28 (2006.01); A61L 15/18 (2006.01); A61L 15/42 (2006.01); A61L 15/44 (2006.01); B82Y 5/00 (2011.01); B82Y 30/00 (2011.01)
CPC A61L 15/28 (2013.01) [A61L 15/18 (2013.01); A61L 15/425 (2013.01); A61L 15/44 (2013.01); A61L 2300/102 (2013.01); A61L 2300/406 (2013.01); A61L 2400/12 (2013.01); B82Y 5/00 (2013.01); B82Y 30/00 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A wound dressing material comprising a chitosan composite film, the chitosan composite film comprising:
a polymeric matrix including chitosan; and
a plurality of ternary metal oxides comprising tungsten oxide nanoparticles (WO3 NPs), magnesium oxide nanoparticles (MgO NPs), and graphene oxide (GO) incorporated in or on the polymeric matrix.