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US 8,895,043 B2Granted
Reducing formaldehyde emissions in formal-containing compositions
AssigneeAir Liquide Sante (International)
InventorsWolfgang Beilfuss, Ralf Gradtke, Ingo Krull, Klaus Weber
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Abstract
Method for reducing the formaldehyde emission of a composition containing a formal by adding urea, urea derivatives, amino acids, guanidine or guanidine derivatives.
Claims6
A method of reducing the formaldehyde emissions of a composition comprising a formal, comprising:
- adding at least one component to a composition comprising at least one formal, wherein the at least one component is selected from the group consisting of:
- urea, urea derivatives, amino acids, guanidine and guanidine derivatives and wherein the at least one formal is selected from the group consisting of an N-formal, an O-formal and a combination thereof.
Dependencies are inferred from the claim text.