Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Reexamination Certificate
2008-12-08
2011-11-22
Choi, Ling (Department: 1763)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
Reexamination Certificate
active
08063112
ABSTRACT:
A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the cation exchange resin is regenerated using sulfurous acid reflux.
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Campbell Matthew
Godhwani Vijay Bhambhani
Infantino Melina
Sarlis John
Bereskin & Parr LLP / S.E.N.C.R.L., s.r.l.
Cansolv Technologies Inc.
Choi Ling
Mendes da Costa Philip C.
Wang Chun-Cheng
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