Use of disulfonated anthracenes as inert fluorescent tracers

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Process control in response to analysis

Reexamination Certificate

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C210S709000, C210S739000, C210S749000, C422S007000, C422S014000, C422S119000

Reexamination Certificate

active

10631606

ABSTRACT:
The use of an isomer of anthracene disulfonic acid as an inert fluorescent tracer is described and claimed. The utility of this type of inert fluorescent tracer in boiler systems to trace unwanted carryover of boiler water into a steam line is also described and claimed.

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