C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/04 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2416464
This invention provides a triggered response composition in the form of a barrier material and a delivery device that includes one or more polyelectrolytes in contact with an aqueous system that is stable and insoluble in an aqueous system and that exhibits one or more chemical/physical responses in the aqueous system, wherein the chemical/physical response of the composition is triggered upon one or more changes in ionic strength of the aqueous system.
Chang Ching-Jen
Guo Hailan
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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