Flotation processes using ureylenes

Details Flotation processes using ureylenes Flotation processes using ureylenes

1981-05-11

1983-03-15

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

209 5, 209 9, 252 61, C02F 124

Patent

active

043767087

ABSTRACT:
This invention relates to ureylene prepared by reacting an oxyalkylated polyamine with urea and to uses of such ureylene for example in removing oils, solids, and combinations thereof from aqueous systems, etc.

REFERENCES:
patent: 2155328 (1930-04-01), Paquin
patent: 3324176 (1967-06-01), Kirschnek et al.
patent: 3617440 (1971-11-01), Strother
patent: 4154724 (1979-05-01), Schulze
patent: 4178426 (1979-12-01), Waddill
patent: 4178427 (1979-12-01), Waddill et al.

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