Patent ID: 11883774
Assignee: AIR TECH GROUP, SLU
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 9:
10. The filter cartridge according to claim 2, wherein said filter cartridge for removing formaldehyde present in the indoor air is configured to further remove-aldehydes selected from the group consisting of: acetaldehyde or ethanal, glyoxal or ethanedial, propionaldehyde or propanal, acrolein or propenal, propargyl aldehyde or propynal, methylglyoxal or 2-oxopropanal, glyoxylic acid and their alkyl esters, butyraldehyde or butanal, isobutyraldehyde or 2-methylpropanal, methylacrolein or 2-methylpropenal, both isomers of crotonaldehyde or 2-butenal, valeraldehyde or pentanal and isovaleraldehyde or 3-methylbutanal, as well as amine and ammonia.