	US 12,227,429 B2
	CuCrFe oxide antimicrobial treatment composition
Mohammad Azam Ansari, Dammam (SA); and Abdulhadi Baykal, Dammam (SA)
Assigned to Imam Abdulrahman Bin Faisal University, Dammam (SA)
Filed by Imam Abdulrahman Bin Faisal University, Dammam (SA)
Filed on Apr. 18, 2024, as Appl. No. 18/639,176.
Application 18/639,176 is a continuation of application No. 18/338,880, filed on Jun. 21, 2023, granted, now 12,006,226.
Application 18/338,880 is a continuation of application No. 18/115,254, filed on Feb. 28, 2023, granted, now 11,753,310, issued on Sep. 12, 2023.
Application 18/115,254 is a continuation of application No. 16/250,626, filed on Jan. 17, 2019, granted, now 11,643,335, issued on May 9, 2023.
Prior Publication US 2024/0286919 A1, Aug. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C01G 37/00 (2006.01); A61L 2/18 (2006.01); A61L 2/232 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01)

CPC C01G 37/006 (2013.01) [A61L 2/18 (2013.01); A61L 2/232 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2002/32 (2013.01); C01P 2002/72 (2013.01); C01P 2002/82 (2013.01)]

12 Claims

1. A CuCrFe oxide antimicrobial treatment composition, comprising:

spinel ferrite nanoparticles, and

a liquid medium;

wherein the spinel ferrite nanoparticles comprise at least one chromium-substituted copper ferrite selected from the group consisting of CuCr_0.4Fe_1.6O₄, CuCr_0.6Fe_1.4O₄, and CuCr_0.8Fe_1.2O₄, and

wherein the spinel ferrite nanoparticles have an angular, spinel, or irregular form, and are suspended in the liquid medium.