Back to results
US 2003/0141483 A1Published application
Oxygen scavenger and boiler water treatment chemical
AssigneeKurita Water Industries Ltd.
InventorsYukimasa Shimura, Shiro Taya
Life of this patent
Estimating the term…
Abstract
A boiler water treatment chemical includes a heterocyclic compound with N-substituted amino group, or the salt thereof, and alkaline agent and/or water soluble polymer.
Claims7
A method of using an oxygen scavenger, comprising:
- adding to boiler water an effective amount of an oxygen scavenger including, as an effective component, a heterocyclic compound with N-substituted amino group, or the salt thereof, and alkaline agent and/or water soluble polymer.
Dependencies are inferred from the claim text.