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US 2022/0002195 A1Published application
Covering readiness indicator
AssigneeUzin Utz AG
InventorsMarkus Wilde, Markus Gretz, Johannis Tsalos
Life of this patent
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Abstract
The present invention relates to floor levelling compositions which can be mixed with water and comprise fluorescein or a derivative thereof. The present invention further relates to the use of fluorescein or fluorescein derivatives as indicator for the readiness for being covered of a floor levelling composition mixed with water.
Claims11
1-11. (canceled)
A method of determining the readiness for covering of a levelling composition which has been applied to a substrate, the method comprising:
- a) providing a floor levelling composition which can be mixed with water, wherein the floor levelling composition comprises a fluorescein or a derivative thereof;
- b) mixing the floor levelling composition with water in a suitable ratio;
- and
- c) applying and distributing the floor levelling composition on the substrate,
- wherein a color change of the floor levelling composition indicates the readiness for covering of the levelling composition distributed on the substrate.
2 more elements
Dependencies are inferred from the claim text.