Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Patent
1985-11-27
1988-09-27
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
525340, 521 25, 521 38, C08D 520, C08C 1924
Patent
active
047742623
ABSTRACT:
A water insoluble ion exchange resin having a crosslinked, three dimensional resin skeleton and an active group of the formula: ##STR1## wherein R is selected from the group consisting of hydrogen and an alkyl radical having 1-15 carbon atoms and having at most two branchings in the alkyl group, and A is a mono-, di-, or tri-substituted ethylene radical or mono- or di-substituted methylene radical, wherein the substituents are selected from the group consisting of an alkyl group having at most two branchings, hydroxy, an amino group and hydrogen and wherein A provides a link binding the active group to the resin skeleton.
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patent: 4020091 (1977-04-01), Budnick
Chem. Abstacts, vol. 95, entry 158798N.
Chem. Abstracts, vol. 95, "Phosphonic Acid-bis Derivatives".
Blanquet Pierre
Ricalens Francois
Kulkosky Peter F.
Minemet Recherche
Schofer Joseph L.
Societe Nationale des Poudres et Explosifs
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