Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2011-04-26
2011-04-26
Barry, Chester T (Department: 1776)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C558S447000, C560S012000, C560S170000, C562S621000
Reexamination Certificate
active
07932326
ABSTRACT:
Novel di- and tripodal compounds useful as chelators, intermediates for their production and a method for treating an aqueous solution to remove trivalent metal ions are presented.
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Harris Wesley R.
Spilling Christopher D.
Yokel Robert A.
Zhan Chang-Guo
Barry Chester T
King & Schickli PLLC
The University of Kentucky Research Foundation
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