	US 12,458,569 B2
	Retraction paste and container comprising the retraction paste
Andreas Grundler, Münzenberg (DE); Martin Grunwald, Pulheim (DE); and Peter Deutzmann, Rommerskirche (DE)
Assigned to KULZER GMBH, Hanau (DE)
Appl. No. 18/267,953
Filed by KULZER GMBH, Hanau (DE)
PCT Filed Dec. 16, 2021, PCT No. PCT/EP2021/086175 § 371(c)(1), (2) Date Jun. 16, 2023, PCT Pub. No. WO2022/129323, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 10 2020 134 315 (DE), filed on Dec. 18, 2020.
Prior Publication US 2024/0050321 A1, Feb. 15, 2024
Int. Cl. A61K 6/18 (2020.01)

CPC A61K 6/18 (2020.01)

14 Claims

1. Retraction paste, comprising:

i) 1 to 25% by weight of at least one astringent compound,

ii) 50 to 75% by weight fillers,

iii) 10 to 35% by weight protic liquid, and

iv) 0 to 10% by weight pigments and/or dye and comprising rheology additive,

wherein, when the rheology additive is present, the rheology additive is present from 0.01 to 2.5% by weight in a total composition of 100% by weight,

wherein

the fillers comprise kaolinite and mica at a ratio of 4:1 to 1.5:1 and,

the total composition of components i) to iv) in the retraction paste amounts to 100% by weight.