Oxygen scavenger and boiler water treatment chemical

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal

Reexamination Certificate

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Details

C422S017000, C210S750000, C210S757000, C252S188280, C252S390000, C252S392000, C252S401000, C252S403000

Reexamination Certificate

active

06861032

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.

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