THOMAS, John Christopher,RAKOW, Neal A.,FANSLER, Duane D.
申请号：
EP11827250
公开号：
EP2619570A4
申请日:
2011.09.15
申请国别(地区):
EP
年份:
2017
代理人:
摘要：
Chemical indicators for acidic or basic gases include an inert, porous substrate, an indicator dye or mixture of dyes contained within at least some of the pores of the inert, porous substrate, and an inert adhesive layer attached to the inert, porous substrate. The porous substrate may be a microporous substrate.
