Liquid purification or separation – Structural installation – Closed circulating system
Patent
1995-06-01
1997-04-15
Higel, Floyd D.
Liquid purification or separation
Structural installation
Closed circulating system
210167, 210749, 210751, 210765, 514397, 514383, 514406, 5482666, 5483137, 5483144, 5483654, C07D23358, C07D23356, A01N 4350, A01N 4356, A01N 43653, C02F 150
Patent
active
056205953
ABSTRACT:
The use of oligomeric imidazolium, pyrazolium and triazolium salts as swimming pool sanitizers having improved compatibility with chlorine. Bisimidazolium salts are preformed.
REFERENCES:
patent: 2271378 (1942-01-01), Searle
patent: 3004002 (1961-10-01), Kaplan et al.
patent: 3853907 (1974-12-01), Edwards
patent: 3855235 (1974-12-01), McConnell
patent: 4684736 (1987-08-01), Topel
Chemical Abstracts, vol. 80, No. 6, Feb. 11, 1974, abstract No. 30718j "Antihelminthic preparation based on imidazole derivatives", p. 250, & FR,M,8 357 (Feb. 8, 1971).
Austin Peter W.
Barlow Clive H.
Bothwell Brian D.
Collins Andrew N.
James Mark R.
Higel Floyd D.
Zeneca Limited
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