	US 12,312,488 B2
	Method for producing effect pigment pastes using a vibrator
Olga Lemmer, Münster (DE); Stephan Schwarte, Münster (DE); Michael Bruennemann, Münster (DE); Christian Kunkelmann, Ludwigshafen (DE); Ulrich Horstkoetter, Münster (DE); Hendrik Czaudema, Münster (DE); and Sandra Kloetter, Münster (DE)
Assigned to BASF COATINGS GMBH, Muenster (DE)
Appl. No. 17/633,985
Filed by BASF Coatings GmbH, Münster (DE)
PCT Filed Aug. 12, 2020, PCT No. PCT/EP2020/072606 § 371(c)(1), (2) Date Feb. 9, 2022, PCT Pub. No. WO2021/028466, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 19191237 (EP), filed on Aug. 12, 2019.
Prior Publication US 2022/0289998 A1, Sep. 15, 2022
Int. Cl. C09D 17/00 (2006.01); B01F 31/60 (2022.01); C09D 7/80 (2018.01)

CPC C09D 17/006 (2013.01) [B01F 31/60 (2022.01); C09D 7/80 (2018.01)]

19 Claims

1. A process for producing an effect pigment paste comprising at least steps (1) and (2),

(1) producing a mixture comprising at least one effect pigment (a) and at least one polymer (b) in a liquid medium (c), by mixing the at least one effect pigment (a), the at least one polymer (b), and the liquid medium (c) with one another, and

(2) dispersing the mixture obtained after step (1) by shaking to obtain the effect pigment paste without any further premixing,

wherein step (2) is performed using a shaker and the effect pigment paste obtained after the performance of step (2) has ended is free of grinding media.