acidic anion exchange resins
- Cefquinome sulfate was prepared from cefotaxime via 3-substitution,salt formation,and salt exchange with sulfuric acid by anion exchange resin.
- Various iodinated strong base quaternary ammonium anion exchange resins were prepared.
- Barrett J H. Method of Preparing Anion Exchange Resins with Sulfuryl Chloride [P]. US Pat.: 3812061, 1974-05-21.
- Some of the matrix have been aminated after the chlorome thylation of the copolymer giving an anion exchange resin.