Back to results
US 4,046,766 AGranted
Quinolizinium resins and monomers and methods for making them
AssigneeRohm and Haas Company
InventorCharles Richard Costin
Life of this patent
Estimating the term…
Abstract
Quinolizinium resins may be produced by quaternizing substituted vinyl pyridine polymers followed by subjecting the resulting product to a condensation reaction to obtain quinolizinium functionality. The resins are useful as ion exchange resins, adsorbents and catalysts.
Claims3
A vinyl quinolizinium monomer in which the vinyl group, --CH=CH.sub.2, is bonded directly to a quinolizinium ring carbon atom.
Dependencies are inferred from the claim text.