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US 11,512,225 B2Granted
Process and composition for dust control
AssigneeHexion Inc.
InventorsCharles Zha, Jan Beetge
Life of this patent
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Abstract
Compositions for dust suppression, methods for forming the compositions, and methods for using the compositions are provided. In one embodiment, the composition includes a non-sulfonated lignin and an alkylene glycol alkyl ether solvent. The compositions may be applied to an exposed surface of a substrate.
Claims12
A method for applying a composition, comprising:
- providing a composition, comprising:
- from 10 weight percent to 70 weight percent a non-sulfonated lignin selected from the group consisting of Kraft lignin, pyrolytic lignins, steam explosion lignin, organosolv lignins, soda-ash lignins, dilute acid lignin, biorefinery lignins, and combinations thereof;
- and
- from 30 weight percent to 90 weight percent an alkylene glycol alkyl ether solvent, wherein the total amount of all components of the composition is 100 wt. % of the composition;
- providing a substrate having an exposed surface;
- and
- applying the composition to the exposed surface of the substrate.
4 more elements
Dependencies are inferred from the claim text.