	US 12,428,564 B2
	Complex functional pigment and manufacturing method thereof
Hyung-Ho Park, Seoul (KR); Younghun Kim, Gyeonggi-do (KR); Taehee Kim, Seoul (KR); Haryeong Choi, Seoul (KR); and Jihun Lee, Gyeonggi-do (KR)
Assigned to UIF (University Industry Foundation), Yonsei University, Seoul (KR)
Filed by UIF (University Industry Foundation), Yonsei University, Seoul (KR)
Filed on Feb. 9, 2022, as Appl. No. 17/668,324.
Claims priority of application No. 10-2021-0019200 (KR), filed on Feb. 10, 2021.
Prior Publication US 2022/0267606 A1, Aug. 25, 2022
Int. Cl. C09C 1/36 (2006.01); C09C 3/06 (2006.01); C09C 3/10 (2006.01); C09D 7/62 (2018.01)

CPC C09C 1/3676 (2013.01) [C09C 1/3661 (2013.01); C09C 3/063 (2013.01); C09C 3/10 (2013.01); C09D 7/62 (2018.01); C01P 2002/52 (2013.01); C01P 2006/12 (2013.01); C01P 2006/60 (2013.01)]

8 Claims

1. A method for manufacturing a complex functional pigment, comprising:

(a1) preparing a first solution comprising a titanium precursor;

(b1) mixing an acid with the first solution and hydrolyzing to prepare a first sol;

(c1) preparing a second solution comprising a metal precursor comprising one or two or more metals selected from the group consisting of noble metals; and

(d) preparing a reaction solution by mixing the first sol with the second solution and performing a condensation reaction to manufacture a gel.