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Title: Phosphonic acid based exchange resins

An ion exchange resin is described for extracting metal ions from a liquid waste stream. An ion exchange resin is prepared by copolymerizing a vinylidene diphosphonic acid with styrene, acrylonitrile and divinylbenzene. 10 figs.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
106681
Assignee:
Arch Development Corp., Chicago, IL (United States); Univ. of Tennessee Research Corp., Knoxville, TN (United States) PTO; SCA: 400105; 400201; PA: EDB-95:136705; SN: 95001460050
Patent Number(s):
US 5,449,462/A/
Application Number:
PAN: 8-184,609
Contract Number:
W-31109-ENG-38
Resource Relation:
Other Information: PBD: 12 Sep 1995
Research Org:
Univ. of Chicago, IL (United States)
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; ORGANIC ION EXCHANGERS; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; METALS; ION EXCHANGE; LIQUID WASTES; SEPARATION PROCESSES; PHOSPHONIC ACIDS; COPOLYMERIZATION