The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
May. 22, 2020
Applicant:
The Regents of the University of California, Oakland, CA (US);
Inventor:
Ting Guo, El Macero, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 1/00 (2006.01); B05D 7/00 (2006.01); C01B 33/18 (2006.01); B82Y 20/00 (2011.01); C01G 49/02 (2006.01); G02F 1/09 (2006.01); C01G 9/02 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); B82Y 20/00 (2013.01); C01G 9/02 (2013.01); C01G 49/02 (2013.01); G02F 1/091 (2013.01); C01P 2004/04 (2013.01); C01P 2004/34 (2013.01); G02F 1/094 (2021.01); G02F 2202/32 (2013.01);
Abstract
Described are composite photonic materials that incorporate magnetic nanoparticles inside hollow or solvent-filled nano-scale or micro-scale shells and methods of making and using such composite photonic materials. When these photonic materials are present in a magnetic field, they exhibit a change in reflected, scattered, and/or transmitted light as compared to when the materials are not in the presence of the magnetic field. This results in the materials appearing to have a different color, such as when observed by the human eye or a light detecting device, such as a camera.