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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.:

US 10220367 B1

PDFFull Text
Date of Patent:
Mar. 05, 2019

Filed:

Aug. 09, 2016

Method of forming microsphere having structural color

Applicant:

Snu R&db Foundation, Seoul, KR;

Inventors:

Sunghoon Kwon, Seoul, KR;

Hyoki Kim, Seoul, KR;

Yadong Yin, Riverside, CA (US);

Jianping Ge, Shanghai, CN;

Assignee:

SNU R&DB FOUNDATION, Seoul, KR;

Attorney:

STIP Law Group, LLC

Primary Examiner:

Bijan Ahvazi

Int. Cl.
CPC ...
H01F 1/00 (2006.01); B01J 19/12 (2006.01); C09D 7/40 (2018.01); C09D 7/62 (2018.01); B82Y 20/00 (2011.01); B82Y 25/00 (2011.01); C08K 9/08 (2006.01); C09C 1/24 (2006.01); C09D 11/50 (2014.01); G02B 1/00 (2006.01); G02B 5/20 (2006.01); H01F 1/34 (2006.01); G02F 1/09 (2006.01); G02F 1/29 (2006.01); C09C 3/10 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
B01J 19/12 (2013.01); B01J 19/123 (2013.01); B82Y 20/00 (2013.01); B82Y 25/00 (2013.01); C08K 9/08 (2013.01); C09C 1/24 (2013.01); C09C 3/10 (2013.01); C09D 7/62 (2018.01); C09D 7/69 (2018.01); C09D 11/50 (2013.01); G02B 1/005 (2013.01); G02B 5/201 (2013.01); G02F 1/09 (2013.01); G02F 1/29 (2013.01); H01F 1/0063 (2013.01); H01F 1/344 (2013.01); C01P 2006/42 (2013.01); C08K 3/22 (2013.01); C08K 2201/01 (2013.01); C08K 2201/011 (2013.01); G02B 2207/101 (2013.01); Y10T 428/24802 (2015.01);
Abstract

Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.

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