Process for preparing weakly-basic anion exchangers and reagents

Details Process for preparing weakly-basic anion exchangers and reagents Process for preparing weakly-basic anion exchangers and reagents

1994-08-12

1995-11-07

Zitomer, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

5253336, 5253591, 5253592, 5253596, 525375, 548473, C08F 832

Patent

active

054648750

ABSTRACT:
An improved aminomethylation process gives weakly-basic anion exchangers in an elegant way, with by-product obtained being able to be processed into a suitable starting material without problems.

REFERENCES:
patent: 3882053 (1975-05-01), Corte et al.
patent: 4478984 (1984-10-01), Bryan
patent: 4491586 (1985-01-01), Hayes
patent: 4952608 (1990-08-01), Klipper et al.

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